ACOM - 700S - AUTOMATIC HF SOLID STATE TYPE LINEAR AMPLIFIER OPERATING FROM 1.8 TO 54 MHz - 700 WATT CONTINUOUS CARRIER OR P.E.P. SSB

DESCRIPTION

• Five inch (5”) (108x65mm) high resolution color display, 800x480 pixels and 24-bits colors.
• The final stage uses field effect (MOSFET) transistors type MRFE6VP61K25N, designed to withstand high mismatch (SWR) at the output and intended for operation in aerospace, industrial, mobile, and radio broadcast applications.
• The final PA stage uses a rugged LDMOS transistor - MRFE6VP61K25N or equivalent.
• Compatible with all transceiver models available on the market - does not need any special signals: “ground on transmit” (PTT) and 40W of RF drive power is sufficient.
• Broadband input circuit providing a perfect transceiver load with SWR below 1.2:1 (typically 1.1:1), without retuning throughout the whole frequency range from 1.8 to 54MHz
• The overall operation of ACOM 700S is extremely simplified: the screen menus are intuitive and easy to follow and no special skill is required from the operator when changing frequency bands
• Possibility of automatic control – when connected to a transceiver with a CAT interface, the amplifier monitors constantly, duly follows the operating frequency, and changes the bands accordingly.
• Even if not connected with CAT interface, the amplifier monitors the frequency of the input signal through the built-in frequency counter and automatically switches over the bands.
• Remotely controlled by RS232 interface.
• Takes care of itself during operation due to the continuously working protection circuits in all modes.
• The operator can monitor digitally more than 10 parameters concerning the working regime of the amplifier.
• Easy maintenance – detailed data (55 parameters) about each of the last 28 hard-fault protection trips is stored in the amplifier’s nonvolatile memory.
• Convenient for expeditions and field operation: extremely compact and light construction, extended mains voltage range (100V÷240V), limited inrush current and purely sinusoidal consumed mains current, automatic Power Factor Correction (PFC) – all significant parameters in operation from unstable mains, generators etc. features achieved thanks to the built-in switching mode power supply (SMPS).
• Perfect electromagnetic compatibility (EMC) both with the highly sensitive as well as with the powerful appliances in the radio station (receivers, computers, more amplifiers) exceeding the standard EMC requirements due to the use of PFC and the built-in additional radio-frequency filters. 

TECHNICAL SPECIFICATIONS

a) Rated output power: 700W +/-0.5dB, PEP or continuous carrier.

b) Intermodulation distortions (IMD3): better than 31dB below the rated PEP output.

c) Harmonic and parasitic emissions output suppression: better than 60dB (65dB typically).

d) Input and output impedances: nominal value: 50 Ohm unbalanced, UHF (SO239) type connectors;

• input circuit: broadband, SWR below 1.2:1 (1.1:1 typically); 1.8 – 54 MHz continuous range without retuning or switching;

• RF by-pass path SWR - below 1.1:1, 1.8-54 MHz;

• admissible SWR at the output load (the antenna): up to 3:1 with proportional power reduction and up to 1.5:1 for full output power;

e) RF power gain: 14dB +/-1dB;

f) Mains power supply voltage: 100V-240V without switching;

g) Mains power consumption at full output power:1350VA or less with a power factor of 0.95 or higher;

h) Mains power consumption in Low Energy (waiting) mode: less than 1VA;

i) Complies with EU safety regulations and electromagnetic compatibility standards, as well as with the US Federal Communications Commission (FCC) rules;

j) Environment working conditions:

• temperature range: -10 C to +40 C (14 F to 104 F);

• relative air humidity: up to 95% @ 35 C (95 F);

k) Dimensions (projections not included) and weight, operating:
(W x H x D) 326 x 143 x 365 mm (12,8 x 5,6 x 14,2 In);
11.8 kg (26  Lbs).

ACOM - 1200S - AUTOMATIC HF SOLID STATE TYPE LINEAR AMPLIFIER OPERATING FROM 1.8 TO 54 MHz - 1000 WATT CONTINUOUS CARRIER OR P.E.P. SSB

DESCRIPTION

• Five inch (5”) (108x65mm) high resolution color display, 800x480 pixels and 24-bits colors.
• The final stage uses field effect (MOSFET) transistors type BLF188 from NXP, designed to withstand high mismatch (SWR) at the output and intended for operation in aerospace, industrial, mobile, and radio broadcast applications.
• Compatible with all transceiver models available on the market - does not need any special signals: “ground on transmit” (PTT) and 50W of RF drive power is sufficient.
• Broadband input circuit providing a perfect transceiver load with SWR below 1.2:1 (typically 1.1:1), without retuning throughout the whole frequency range from 1.8 to 54MHz
• The overall operation of ACOM 1200S is extremely simplified: the screen menus are intuitive and easy to follow and no special skill is required from the operator when changing frequency bands
• Possibility of automatic control – when connected to a transceiver with a CAT interface, the amplifier monitors constantly, duly follows the operating frequency, and changes the bands accordingly.
• Even if not connected with CAT interface, the amplifier monitors the frequency of the input signal through the built-in frequency counter and automatically switches over the bands.
• Remotely controlled by RS232 interface.
• Takes care of itself during operation due to the continuously working protection circuits in all modes.
• The operator can monitor digitally more than 10 parameters concerning the working regime of the amplifier.
• Easy maintenance – detailed data (55 parameters) about each of the last 28 hard-fault protection trips is stored in the amplifier’s nonvolatile memory.
• Convenient for expeditions and field operation: extremely compact and light construction, extended mains voltage range (93V÷265V), limited inrush current and purely sinusoidal consumed mains current, automatic Power Factor Correction (PFC) – all significant parameters in operation from unstable mains, generators etc. features achieved thanks to the built-in switching mode power supply (SMPS).
• Perfect electromagnetic compatibility (EMC) both with the highly sensitive as well as with the powerful appliances in the radio station (receivers, computers, more amplifiers) exceeding the standard EMC requirements due to the use of PFC and the built-in additional radio-frequency filters.

TECHNICAL SPECIFICATIONS

a) Rated output power: 1000W +/-0.5dB, PEP or continuous carrier (1200W typically).

b) Intermodulation distortions (IMD3): better than 30dB below the rated PEP output.

c) Harmonic and parasitic emissions output suppression: better than 60dB (65dB typically).

d) Input and output impedances: nominal value: 50 Ohm unbalanced, UHF (SO239) type connectors;

• input circuit: broadband, SWR below 1.2:1 (1.1:1 typically); 1.8 – 54 MHz continuous range without retuning or switching;

• RF by-pass path SWR - below 1.1:1, 1.8-54 MHz;

• admissible SWR at the output load (the antenna): up to 3:1 with proportional power reduction and up to 1.5:1 for full output power;

e) RF power gain: 13dB +/-1dB;

f) Mains power supply voltage: 93Vч265V without switching;

g) Mains power consumption at full output power:2000VA or less with a power factor of 0.95 or higher;

h) Mains power consumption in Low Energy (waiting) mode: less than 1VA;

i) Complies with EU safety regulations and electromagnetic compatibility standards, as well as with the US Federal Communications Commission (FCC) rules;

j) Environment working conditions:

• temperature range: -10 C to +40 C (14 F to 104 F);

• relative air humidity: up to 95% @ 35 C (95 F);

Dimensions (projections not included) and weight, operating:
(D x W x H) 418 x 372 x 162 mm (16,46 x 14,65 x 6,38 In);
14.5 kg (31.97 Lbs).

ACOM - 1500 - HF TUBE TYPE LINEAR AMPLIFIER OPERATING FROM 1.8 TO 54 MHz - 1200 WATT KEYED CARRIER - 1500 WATT SSB

DESCRIPTION

Easy to operate
The TRI is a powerful tuning aid that, together with the automatically controlled input attenuator, helps the operator to quickly and precisely match the antenna impedance to the optimum tube load impedance (5-10 seconds typically). The auto-operate function (when enabled) maintains the amplifier in the OPERATE mode for you, thus avoiding unnecessary manual operations.

No antenna tuners
No heavy outboard antenna tuners required for antenna VSWRs up to about 3:1.  Your amplifier will enable you to change antennas virtually instantaneously and allow you to use your antennas over wider frequency ranges.

User-friendly
An  amplifier  that  is  both  user-friendly  and  that  looks after itself.  It is designed to safely withstand up to 300W reflected power, up to 100 milliseconds duration of drive spikes, drive RF “tails” after a PTT or KEY release, operator’s inadvertent tuning errors etc.     The amplifier also will not cease to function with a “soft” AC mains and will deliver more than half power at only 85% of nominal mains voltage. It can withstand voltage drops (down to zero Volts) for up to 10 milliseconds and can tolerate 15% mains voltage spikes, which is especially important on Field Day, during DXpeditions, and at portable operating events where emergency power is relied upon.

VFD comment display
All amplifier status indications are explained via detailed text displayed on the dot matrix, high brightness vacuum fluorescent display (VFD).  The upper line on the VFD always reads peak forward power.  LED indicators are provided for:  OPERATE mode, attenuation-on, transmit, selected antenna output , and ON/OFF conditions.

Three antenna outputs
Three antenna outputs are selectable using a push-button on the front panel.

Easy maintenance
Data  regarding  amplifier  internal  status  is  stored  in  a nonvolatile memory for 7 of the most recent auto protection trips.
This information can be forwarded to your dealer for diagnostics.

Virtually silent QSK
The  input  bypassing  and  vacuum  antenna  relays  are virtually  silent  even  in  the  CW  QSK  mode  thanks  to specially designed mounting hardware.

Broadband input matching
Resulting in very good load to the transceiver over the entire spectrum 1.8-54MHz.

Single 4CX1000A tube
Uses a ceramic and metal radial beam tetrode with plate dissipation of 1000 W which is specially designed for class AB1 RF linear amplifier operation.

Tube protection
Permanent monitoring and protection of plate and grid voltages and currents,  as well as of the exhaust air temperature.

TECHNICAL SPECIFICATIONS

• Frequency Coverage: All amateur bands 1.8-54MHz; extensions and/or changes on request.
• Power Output: 1500W PEP or 1200W continuous carrier, no mode limit.
• Intermodulation Distortion: Better than 35dB below rated output.
• Hum and noise: Better than 40dB below rated output.
• Harmonic Output Suppression:
  -1.8-21.5MHz - better than 50dB below rated output;
  - 24-54MHz - better than 66dB below rated output.

Input and Output Impedances:
- nominal value: 50 Ohm unbalanced, UHF (SO239) type connectors;
- input circuit: broadband, VSWR less than 1.3:1, 1.8-54MHz continuously (no tunings, no switching);
- bypass path VSWR less than 1.1:1, 1.8-54MHz continuously;
- output matching capability: better than VSWR 3:1 or greater at reduced output levels.

• RF Gain: 13dB typically, frequency response less than 1dB (60-85W drive power for rated output).
• Primary Power: 85-132V and 170-264V (100, 110, 120, 200, 210, 220, 230 & 240V nominal taps, +10%-15%tol.), 50-60Hz, single phase, 3500VA consumption at rated output.
• Complies with CE safety and EMC requirements, as well  as FCC regulations.

Size & Weight :
operating:
WxDxH: 422x355x195mm,
26.5kg. (16.6x14x7.7 inches, 58.4lbs)
shipping:
WxDxH: 560x560x300mm,
29.5kg. (22x22x12 inches, 65lbs)

Operating environments:
-temperature range: 0...+50 degs.Celsius;
-humidity: up to 95% @ +35 degs.Celsius;
-height: up to 3000m above sea level without output deterioration.

ACOM - 2100 - HF TUBE TYPE LINEAR AMPLIFIER OPERATING FROM 1.8 TO 54 MHz - 1500 WATT CONTINUOUS KEYED CARRIER, NO MODE LIMIT


DESCRIPTION

Easy to operate
The TRI is a powerful tuning aid that, together with the automatically controlled input attenuator, helps the operator to quickly and precisely match the antenna impedance to the optimum tube load impedance (5-10 seconds typically). The auto-operate function (when enabled) maintains the amplifier in the OPERATE mode for you, thus avoiding unnecessary manual operations.

No antenna tuners
No heavy outboard antenna tuners required for antenna VSWRs up to about 3:1.  Your amplifier will enable you to change antennas virtually instantaneously and allow you to use your antennas over wider frequency ranges.

User-friendly
An  amplifier  that  is  both  user-friendly  and  that  looks after itself.  It is designed to safely withstand up to 400W reflected power, up to 100 milliseconds duration of drive spikes, drive RF “tails” after a PTT or KEY release, operator’s inadvertent tuning errors etc.     The amplifier also will not cease to function with a “soft” AC mains and will deliver more than half power at only 85% of nominal mains voltage. It can withstand voltage drops (down to zero Volts) for up to 10 milliseconds and can tolerate 15% mains voltage spikes, which is especially important on Field Day, during DXpeditions, and at portable operating events where emergency power is relied upon.

OLED comment display
All amplifier status indications are explained via detailed text displayed on the dot matrix, high brightness and contrast OLED display. The upper line on the OLED always reads peak forward power. LED indicators are provided for: OPERATE mode, attenuation-on, transmit, selected antenna output, and ON/OFF conditions.

Three antenna outputs
Three antenna outputs are selectable using a push-button on the front panel.

Easy maintenance
Data  regarding  amplifier  internal  status  is  stored  in  a nonvolatile memory for 7 of the most recent auto protection trips.
This information can be forwarded to your dealer for diagnostics.

Virtually silent QSK
The  input  bypassing  and  vacuum  antenna  relays  are virtually  silent  even  in  the  CW  QSK  mode  thanks  to specially designed mounting hardware.

Broadband input matching
Resulting in very good load to the transceiver over the entire spectrum 1.8-54MHz.

Single 4CX1000A tube
Uses a ceramic and metal radial beam tetrode with plate dissipation of 1000 W which is specially designed for class AB1 RF linear amplifier operation.

Tube protection
Permanent monitoring and protection of plate and grid voltages and currents,  as well as of the exhaust air temperature.

TECHNICAL SPECIFICATIONS

• Frequency Coverage: All amateur bands 1.8-54MHz; extensions and/or changes on request.
• Power Output: 1500W continuous carrier, no mode limit.
• Intermodulation Distortion: Better than 32dB below rated output.
• Hum and noise: Better than 40dB below rated output.
• Harmonic Output Suppression:
  -1.8-21.5MHz - better than 50dB below rated output;
  - 24-54MHz - better than 66dB below rated output.

Input and Output Impedances:
- nominal value: 50 Ohm unbalanced, UHF (SO239) type connectors;
- input circuit: broadband, VSWR less than 1.3:1, 1.8-54MHz continuously (no tunings, no switching);
- bypass path VSWR less than 1.1:1, 1.8-54MHz continuously;
- output matching capability: better than VSWR 3:1 or greater at reduced output levels.

• RF Gain: 13dB typically, frequency response less than 1dB (50-85W drive power for rated output).
• Primary Power: 85-132V and 170-264V (100, 110, 120, 200, 210, 220, 230 & 240V nominal taps, +10%-15%tol.), 50-60Hz, single phase, 3500VA consumption at rated output.
• Complies with CE safety and EMC requirements, as well  as FCC regulations.

Size & Weight :
operating:
WxDxH: 445x375x205mm,
29.3kg. (17.52x14.76x8.07 inches, 64.6 lbs)

Shipping Size and Weight:
- W390 mm x D340 mm x H340 mm, 18.3 kg (15.35x13.39x13.39 inches, 40.35 Lbs) – Transformer
carton;
- W600 mm x D580 mm x H275 mm, 18 kg. (23.62 x 22.83 x 10.83 inches, 39.683 Lbs) – Amplifier
carton.

Operating environments:
-temperature range: 0...+50 degs.Celsius;
-humidity: up to 95% @ +35 degs.Celsius;
-height: up to 3000m above sea level without output deterioration.

ACOM - 2000A - AUTOMATIC HF TUBE TYPE LINEAR AMPLIFIER OPERATING FROM 1.8 TO 29.7 MHz - 1500 WATT KEYED CARRIER - 2000 WATT SSB

DESCRIPTION

The ACOM 2000A Automatic HF Linear Amplifier is the world's most advanced HF amplifier designed for amateur use. The ACOM 2000A is the first amateur HF amplifier to include both fully automatic tuning and sophisticated digital control capabilities. This revolutionary new amplifier delivers maximum legal power in all modes and operates on all HF amateur bands.

A New Standard in Amplifier Features and Performance
The ACOM 2000A represents a major advance in the state-of-the-art in HF amplifier design. It changes forever the way radio amateurs employ HF power amplifiers in their stations.
Instantaneous, automatic tuning makes slow, cumbersome band changes a thing of the past.
A built-in, wide-range antenna tuner matches loads with high VSWR (up to 3:1), often eliminating the cost and complexity of an external, high-power antenna tuner.
RS-232 digital control permits full integration into any computer-driven station configuration.
Advanced protection circuits ensure amplifier safety under every potential combination of operating conditions.
Remote diagnostic features and modular design ease fault isolation and repair

Cutting-Edge Technology Enhances a Classic Design
At the core of the ACOM 2000A is a classic HF amplifier design, employing two Svetlana 4CX800A (GU74B) high performance ceramic metal tetrodes operating in a grid-driven configuration. 

This design was chosen for its inherent stability and extremely low production of spurious emissions. ACOM coupled this tried-and-true configuration with today’s most advanced digital control technology to create an amplifier with outstanding performance, features and reliability.

Clean Signal
Grid-driven tetrodes, cathode negative feedback, excellent transceiver loading (typically below 1.2:1 input VSWR), and 
regulated SG voltage result in an extremely low distorted output. Measured typical IMD are - 40dB (3-rd order) and - 45dB (5-th order).   Classical Pi-L network, all-air coils (no ferrite),  and carefully designed layout of the output tank offer typical harmonic emissions as low as - 55dBc (second) and below - 70dBc (third and above). Thus, probability of QRM, BCI or TVI  is dramatically minimized.

Fully Automatic Tuning
The automatic tuning features in the ACOM 2000A represent a real breakthrough in HF amplifier design. Never think about an ATU for VSWR up to 3:1 (2:1 on 160 m). Matching the actual antenna impedances to the optimum tubes load is completely automated. Typically 1 second and no skill is required.By completely eliminating time-consuming tune-up procedures, the ACOM 2000A has gives contesters a real edge. It is now possible to change bands without a moment’s thought. You can work every multiplier spotted using software point-and-shoot – regardless of band. And always know the amp is properly tuned and operating safely.

The amplifier follows your transceiver's band and frequency automatically in less than a second. No special cables are required. Just a dot on CW or "Ah" on SSB are enough.

The ACOM 2000A breaks every amateur band into multiple frequency segments. The user can store up to ten (10) sets of tuning adjustments for every frequency segment - allowing individual settings for multiple antennas on each band. VSWR can increase considerably when an antenna is operated away from its resonant frequency. Unlike other amplifiers on the market today, the ACOM 2000 output matching network allows the amplifier to operate at full power, even with VSWR as high as 3:1 (2:1 on 160m).

Advanced Digital Control
Microprocessor control improves performance and makes possible a wide range of new, advanced features.

QSK
Full break-in (QSK) based on a built-in vacuum relay. Transmit / receive switching sequence is secured by a dedicated microprocessor.

Remote Control Unit
RCU Size: 167 x 130 x 25mm (6-2/3" x 5-1/8" x 1")
Only the Remote Control Unit needs to be placed near the operator. The main unit can be installed up to 3 meters (10 feet) away. RCU features include: amplifier status shown on LCD display, control of all functions, measuring and/or monitoring of the 20 most important parameters, on-board  technical assistance, troubleshooting suggestions, record of power-on hours, password provided.

Easy Maintenance
The protection system makes damaging the amplifier a difficult job. Information on the 12 most recent protection trips is stored in an INFO BOX for remote diagnostics via phone line, PC, and Internet.
 
RS232 and Network
All functions are accessible from a PC via RS232 serial port. Local network  may include more than one amplifier / antenna unit set working in a system.

Protection
All tubes voltages and currents, supply voltages, overheating, overdrive, insufficient flow of cooling air, internal and external RF arcs (in the amplifier, antenna selector, tuner or antennas), T/R sequencing, antenna relay contact hot switching, antenna matching quality, reflected power, stored data, inrush power-on current, and cover interlock for operator safety. Antenna matching can be achieved in less than 10 seconds and at a quarter of nominal output power, which produces lower risk of interference to other stations and greater safety to the amplifier components.

TECHNICAL SPECIFICATIONS
 

• RF output: 1500-2000 W keyed carrier or SSB - no time limit. Constant carrier modes 1500W RF output - no time limit with auxiliary cooling fan.
• Frequency coverage: All amateur bands 1.8-29.7 MHz
• Bandchange / Tuneup: Initial output matching process in less than 3 secs (typically 0.5 secs). Preset matching process / bandchange takes less than 0.2 second to move to different segment, same band and less than 1 sec for QSY to different band.
• Tuning memories: Non-volatile for up to 10 antennas per frequency segment.
• Drive power: Typically 50W for 1500W output.
• Input impedance: 50 ohms nominal. VSWR <1.5:1.
• Output tolerance: Up to 3:1 VSWR (2:1 on 160m) at full rated output before SWR protection circuit actuates. Higher SWR's tolerated at lower output.
• Harmonics: At least 50 dB below peak output at 1500W.
• Intermodulation: At least 35 dB below peak output at 1500W.
• T/R and keying: Vacuum Relay: QSK capable.
• Tubes and circuit: 4CX800A/GU74b tetrodes (2); resistive grid, PI-L output with RF negative feedback. Regulated screen grid voltage.
• ALC: Negative going, grid derived, -11v max, rear panel adjustable.
• Metering: Comprehensive.  Remote Control Unit provides flexible monitoring of all amplifier operating parameters.
• Protection: Grid and screen current limiting, power inrush (soft-start provided), trip to excessive reflected power, RF arcs, password access protection if needed, correct T/R sequencing, tube exhaust overheat, cover interlock and HV crowbar.
• Fault diagnosis: Remote Control Unit display and LED's plus "INFO Box" for 12 most recent events. PC interface (RS-232), plus remote phone line interrogation feature.
• Cooling: Full cabinet forced-air. Rubber isolated blower.
• Transformer: 3.5 kVA with strip-wound Unisil-H? core.
• AC power requirements: 100/120/200/220/240 VAC nominal. 50-60 Hz. 3500VA single phase at full power.

Physical:
RF Unit: 17-1/4"W X 7"H X 17-3/4"D -(440W x 180H x 450D mm).

-RCU: 5-1/4"W X 6-3/4"D X 1" H -(135 X 25H X 170D mm).

-Shipped in two cartons total weight (96 Lbs/42.5kg). Plug in transformer for ease of installation and transport.

-No controls on RF unit except ON/OFF. RF unit may be located up to 3 metres (20m with optional cable) from RCU.

RM ITALY - MUA100 - UHF WIDE BAND AMPLIFIER - USEABLE FROM 405 TO 480 MHz - OUTPUT POWER: 100W

The MUA100 is a compact 100W wideband linear amplifier for the UHF band (405-480 MHz).
Ideal for low power portable transceivers.
It is equipped with automatic RTX switching (no PTT is required, however a PTT input recommended for use in SSB is also available).
The MUA is protected from the excessive SWR of the antenna.

TECHNICAL SPECIFICATIONS:

Band
405-480 MHz

Supply Voltage required
12-16 Vdc

Supply Current required
20A

Fuse
25A (Auto)

Input Power
0.1-5W max

Power Output
100W

RM ITALY - LA-250 - 200 WATT VHF AMPLIFIER - AVAILABLE IN 2 VERSIONS: 140-150 AND 160-170 MHz

NEW "BLACK" SERIES - ALL BLACK COLOUR

VERSION WITHOUT FANS

Linear VHF amplifier operating in SSB / FM modes with an output RF power of between 30 and 200 Watts, with input power between 1 and 25 Watts.
A led indicator indicates the output power, and is protected against polarity reversal and against excessive S.W.R.
 

TECHNICAL FEATURES

• VHF 140—150 MHz (V1) or 160 170 MHz (V2) Linear Amplifier
• Operation Frequency: 140—150 MHz (2m Amateur VHF Band)
• Modulation Types: SSB,CW,AM, FM, data etc (All narrowband modes)
• Transistor: 4x Mitsubishi RD70HVF1
• Power Supply: 13VDC+/- 1V 40A
• Input Fuse (Internal): 3x10A (5x20mm Fast)
• Input RF Power: 1-15W ; 20W max (All modes)
• Output RF Power (Nominal): 200W @ 1 dB Gain Compression
• Maximum bypass power (Amplifier off): 50W
• Input VSWR: 1.1—1.5:1 Output VSWR Maximum: 2.8:1
• Protection: Reverse Polarity, High Temperature, Load VSWR and Excessive I/P power
• Equipped with automatic RTX switching (no PTT is required, however a PTT input recommended for use in SSB is also available).

ACOM - 500S - AUTOMATIC HF SOLID STATE TYPE LINEAR AMPLIFIER OPERATING FROM 1.8 TO 70.5 MHz - 500 WATT CONTINUOUS CARRIER OR P.E.P. SSB

DESCRIPTION

The ACOM 500S is a state-of-the art linear power amplifier that covers all amateur bands from 1.8 through 70.5 MHz and provides 500 W rated output power (PEP or digital). The amplifier operating information is shown on a multi-functional, high-resolution color display. ACOM 500S can be controlled either by the six front-panel buttons or remotely.

Easy to operate
The overall operation of ACOM 500S is extremely simplified: the screen menus are intuitive and easy to follow, and no special skill is required from the operator when changing frequency bands.

User-friendly automatic control
When connected to a transceiver with CAT capability, the amplifier will track the operating frequency and will change bands accordingly. Even if not CAT connected, the amplifier monitors the input signal frequency through the built-in frequency counter and automatically switches bands.

High-resolution color display
All amplifier status indications are explained via detailed text displayed on the 5" high-resolution color display (108x65 mm, 800x480 pixels, and 24-bit color).

Transceiver-independent
Compatible with all transceiver models available on the market - does not need any special signals: "ground on transmit" and less than 25 W of RF drive power is sufficient.

LDMOS transistor technology
The ACOM 500S amplifier uses a rugged LDMOS transistor.

Broadband input circuit
Broadband input circuit, providing transceiver load with SWR below 1.5 without retuning throughout the whole frequency range from 1.8 to 70.5 MHz.

Intelligence
Takes care of itself via continuously working protection circuits in all modes.

Remote control capabilities
Remotely controlled by RS-232 port and via the Internet by the ACOM eBox Ethernet Remote Control device (function in development).

Easy maintenance
Detailed data about each of the last hard-fault protection trips is stored in the amplifier's non-volatile memory.

​Compact and lightweight construction
Convenient for expeditions and field operation due to the extremely compact and lightweight construction and the built-in switching-mode power supply (SMPS). SMPS operates with extended mains voltage range of 100-240 VAC, with no internal switch over. The consumed current is purely sinusoidal, Power Factor Corrected (PFC) and inrush limited. This makes the operation of unstable mains and generators easy and trouble-free.

Electromagnetic compatibility
Perfect electromagnetic compatibility (EMC) with both highly sensitive devices and the powerful devices in the radio station (receivers, computers, other amplifiers) exceeds the standard EMC requirements due to the use of built-in radio-frequency filters.

TECHNICAL SPECIFICATIONS

Frequency Coverage: All amateur bands from 1.8 through 70.5 MHz; Extensions and/or changes on request

Rated Output Power: 500 W ±0.5 dB, PEP or digital

Intermodulation Distortion (IMD3): Better than 30 dB below rated PEP

Harmonic and Parasitic Emissions Output Suppression:

• Below 30 MHz - better than 50 dBc below rated output
• Above 30 MHz - better than 70 dBc below rated output

Input Impedances:

• Nominal value: 50 Ohm unbalanced, UHF (SO-239A) type connectors
• SWR: Below 1.5 (1.2 typically), 1.8-70.5 MHz continuous range
• RF bypass: SWR - below 1.1, 1.8-70.5 MHz

Antenna Impedance: Nominal value: 50 Ohm unbalanced;

Two antenna outputs available:
- RF OUTPUT 1: - output provides seamless integration with the auto-switching antenna tuners ACOM 04AT or ACOM 06AT, for access from amplifier's front panel to 4 antennas having an SWR up to 3, within 160 to 6 meter bands
- RF OUTPUT 2: - A well-matched antenna with an SWR below 1.5 can be connected to this output for any band. While low SWR is good for any band, it is extremely important on 6 and 4 m. RF OUTPUT 2 is not intended for ACOM 04AT or ACOM 06AT antenna tuners

Antenna connectors: PTFE UHF (SO-239A) type

RF Power Gain: 14 dB ±1 dB (typically 20 W drive for rated output)

Mains Power Supply Voltage: 100-240 VAC ±10%, 50-60 Hz, Single phase

Mains Power Consumption at Rated Output Power: Up to 1000 VA

Power factor at rated output: 0.95 or higher

Mains Power Consumption in Low Energy (Waiting) Mode: Less than 1 VA

Safety and Electromagnetic Compatibility: Complies with CE safety and electromagnetic compatibility requirements, as well  as with the US Federal Communications Commission (FCC) regulations

Size & Weight (operating, excluding connected cables):
WxDxH: 291x270x157 mm, 7.8 kg (11.5x10.7x6.2 inches, 17.2 lbs.)

Shipping Size & Weight: WxDxH: Approx. 500x470x380 mm, 11.6 kg (19.7x18.5x15.0 inches, 25.6 lbs.);

Please, contact us for shipment details in remote areas not listed

Operating environments:
Temperature range: -10 to +40 degrees Celsius (14 degrees F to 104 degrees F);
Relative air humidity: up to 95% @ +35 degrees Celsius (95 degrees F);
Height above sea level: up to 3050 m (10000 ft) without output deterioration

RM ITALY - KL506V - *** NEW MODEL *** HF WIDE BAND AMPLIFIER - INPUT 1-10W - OUTPUT MAX. 230 W - with separate PTT control and FANS.

TECHNICAL FEATURES

• Power supply: 13.8 VDC +/- 1V
• Recommended heavy duty power supply: 50A
• Operating frequency: 25-30 MHz - Amateur radio band 10 meters - Usable 1.8-30 MHz (adding low-pass filter to avoid harmonics)
• Maximum absorbed current: 35A
• Input power: 1-10 WATT (in all operating modes)
• Output power: 230 WATT MAX in CW / FM
• Transistors used: 4 x RM SD1446
• Maximum bypass power (amplifier off): 50 Watts
• Operating modes: AM-FM-SSB-CW-SSTV-RTTY-Digital modes
• Added separate PTT CONTROL via RCA jack input on back panel
• Fuses: 3 × 12A
• S.W.R. max. input: 1.1-1.5: 1
• S.W.R. maximum output: 2.5: 1
• Output harmonics:> -50 dBc @ 25-30 MHz
• Output power levels: 3 (via input attenuator)
• Receiving preamplifier: 26 dB
• Dimensions: 190 x 270 x 65 mm
• Weight: about 2 kg
• Remote Control:
  The remote head is not supplied from RM Italy, however the circuit diagram in the manual shows the requirements
  to create a remote front panel if required. The connector is an RJ45 type and cable length should be no
  more than 3m in length. The remote front panel controls offer the same functionality as the front panel of
  the KL506.
  Download the manual by clicking on "product data sheet" close to the price.

IN ORDER TO ELIMINATE ANY AMPLIFIED HARMONICS FROM THE TRANSMITTER WHICH COULD CREATE INTERFERENCE TO TVs AND OTHER DEVICES WE SUGGEST WITH EACH AMPLIFIER THAT OPERATES WITHIN 30 MHz THE USE OF AN ADDITIONAL LOW PASS FILTER SUCH AS OUR EXCELLENT 35/600 SHOWN BELOW AMONG THE ACCESSORIES

RM ITALY - ORIGINAL SPARE PART - FAN 120 x 120 mm - 12V - COMPLETE WITH PLASTIC PROTECTIVE GRID

SUITABLE AS A REPLACEMENT PART FOR THE FOLLOWING RM ITALY AMPLIFIERS:

- LA250V

- KL703

- HLA305V