Usage
The ACOM 2020S is a state-of-the art 1500 W heavy-duty, solid-state linear amplifier, covering all amateur bands from 1.8 to 54 MHz. It features a Remote Control Unit model R05 with the operating information shown on a multi-functional, high resolution color touch screen. All indicators and controls (except the primary mains switch and power indicator) are accessible via the touch screen RCU, as well as, all command input to the RCU is menu-driven. As standard, the ACOM 2020S is equipped with Ethernet interface facilitating its usage in Remotely Operated Stations.

Easy to operate
The overall operation of ACOM 2020S is extremely simplified: the touch 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 with Touch screen
Amplifier status indications are explained via detailed text displayed on the RCU 7″ high-resolution color touch display (155×90 mm, 1024×600 pixels, and 24-bit color). All indicators and controls (except the primary mains switch and power indicator) are accessible via the RCU’s touch screen, as well as, all command input to the RCU is menu-driven.

Transceiver-independent
Compatible with all transceiver models – does not need any special signals: “ground on transmit” and RF drive power is sufficient.

Two power modules
Employs two powerful modules in the power splitting/combining technique.

LDMOS transistor technology
The two final PA stages use a rugged LDMOS transistor – MRFX1K80HR5 or equivalent.

Broadband input circuit
Broadband input circuit, providing a perfect transceiver load with SWR below 1.2 (typically 1.1), without retuning throughout the whole frequency range from 1.8 to 54 MHz.

Intelligence
Takes care of itself during operation via continuously working protection circuits in all modes. The operator can monitor 11 (eleven) parameters of the amplifier in operation.

Easy maintenance
Detailed data (55 parameters) about each of the last 28 hard-fault protection trips is stored in the amplifier’s memory.

Remote control capabilities
Remotely controlled via the Internet through integrated Web interface and built-in Ethernet RJ45 port and Wi-Fi adapter.

​Compact construction
Extremely compact construction with built-in switching-mode power supply (SMPS) that operates with an extended mains voltage range of 200-240 VAC, ±10% (180-264 VAC limiting values), with no internal switch over. The consumed current is purely sinusoidal, Power Factor Corrected (PFC) and inrush current limited. This makes the operation of unstable mains and generators easy and trouble free.

Electromagnetic compatibility
Complies with the CE electromagnetic compatibility (EMC) requirements and FCC regulations. Perfect compatibility with both highly sensitive devices and the powerful devices in the radio station (receivers, computers, other amplifiers) due to the used PFC and built-in radio-frequency filters.

Documentation
The User’s Manual is available as a PDF file only. The latest version of the User’s Manual is available under the Download tab (see above).