General Information; Introduction; Specification; Parameters - OM POWER OM2000+ User Manual

1. GENERAL INFORMATION

1.1.

Introduction

T
he OM Power model OM2000+ is designed for all short wave amateur bands from 1.8 to 29.7 MHz
(including WARC bands) plus 50 MHZ and all modes. It is equipped with a ceramic tetrode
FU-728F.
1.2.

Specification

1.2.1. Parameters

Frequency Coverage
Power Output
Input Power
Input Impedance
Power Gain
Output Impedance
Maximum Output SWR
SWR protection
Intermodulation distortion
Suppression of harmonics
Tubes
Cooler
Power supply
Transformers
Dimensions
Weight

1.2.2. Protection Circuits

There are several protection circuits used in the amplifier. They are activated when one or
more of next parameters exceed defined values or some unwanted occasion occurs.

VSWR too high

Anode current too high

Anode voltage error

Screen current too high
Amateur Bands 1.8 – 29.7 MHz including WARC + 50 MHz
2000+ W in SSB/CW on HF bands, 1500 W in CW/SSB on 6m
1500 W in RTTY
Usually 40 to 60W for full Output Power
50 Ohm, VSWR < 1.5 : 1
15 dB
50 Ohm unbalanced
2 : 1
Automatic switching to STBY, when reflected power
is 250W or higher
32dB below nominal output
< -50 dBc
FU-728F Ceramic tetrode
Centrifugal blower + Axial fan
Switchable 220V, 230V, 240V, 50/60 Hz
One toroidal transformer 3kVA
390 x 195 x 370 (width x height x depth)
24 kg
3