General I Nformation; Introduction; Specification; P Arameters - OM POWER OM2000+ Manual

1. GENERAL I NFORMATION
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 W ARC b ands) p lus 5 0 M HZ a nd a ll m odes. I t i s e quipped w ith a c eramic t etrode
FU-­‐728F.
1.2. S pecification
1.2.1. P arameters
Frequency C overage
Power O utput
Input P ower
Input I mpedance
Power G ain
Output I mpedance
Maximum O utput S WR
SWR p rotection
Intermodulation d istortion
Suppression o f h armonics
Tubes
Cooler
Power s upply
Transformers
Dimensions
Weight
1.2.2. Protection C ircuits
There are several protection circuits used in the amplifier. They are activated when one or
more o f n ext p arameters e xceed d efined v alues o r s ome u nwanted o ccasion o ccurs.
VSWR t oo h igh
•
Anode c urrent t oo h igh
•
Anode v oltage e rror
•
Screen c urrent t oo h igh
•
Amateur B ands 1 .8 – 2 9.7 M Hz i ncluding W ARC + 5 0 M Hz
2000+ W i n S SB/CW o n H F b ands, 1 500 W i n C W/SSB o n 6 m
1500 W i n R TTY
Usually 4 0 t o 6 0W f or f ull O utput P ower
50 O hm, V SWR < 1 .5 : 1
15 d B
50 O hm u nbalanced
2 : 1
Automatic s witching t o S TBY, w hen r eflected p ower
is 2 50W o r h igher
32dB b elow n ominal o utput
< -­‐ 50 d Bc
FU-­‐728F C eramic t etrode
Centrifugal b lower + A xial b lower
Switchable 2 20V, 2 30V, 2 40V, 5 0/60 H z
One t oroidal t ransformer 3 kVA
390 x 1 95 x 3 70 ( width x h eight x d epth)
24 k g
3