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General description and the advantages of the OM3006 Amplifier
The linear amplifier OM3006 is designed for 50 MHz amateur bands from 50 till 52 MHz and all modes.
It is equipped with a ceramic tetrode GU78b.
Specification of OM3006:
| Frequency coverage: | amateur bands 50 – 52 MHz |
| Power output: | 3000 W in SSB and CW, RTTY, AM and FM |
| Driver Power: | usualy 40 to 60 W for full Output Power |
| Input impedance: | 50 Ohm VSWR < 1.5 : 1 |
| Output amplification: | 17 dB |
| Output impedance: | 50 Ohm unbalanced |
| Maximum output SWR: | 2:1 |
| SWR protection: | automatic switching to STBY, when reflected power is 350W or higher |
| Intermodulation distortion: | 32 dB below nominal output |
| Suppression of harmonics: | < -70 dBc |
| Tube: | GU78b Ceramic tetrode |
| Cooler: | Centrifugal blower + axial blower |
| Power supply: | 2 x 230 V - 50 Hz one or two phases |
| Transformers: | 2 pcs of toroidal transformer 2.5 kVA |
| Protection circuits: | - SWR too high |
| - Anode current too high | |
| - Screen current too high | |
| - Grid current too high | |
| - Mistuning of power amplifier | |
| - Hot switching protection | |
| - Soft start for protecting your fuses | |
| - “switch –on blocking “ at opened amplifier | |
| Bar graph indications: | - Power output – bargraph 50 LED |
| - Reflected power – bargraph 20 LED | |
| - screen current( Ig2 – bar graph 10 LED ) | |
| - Anode voltage, anode current, tuning – bargraph 30 LED | |
| LED indicators: | - grid current ( Ig1 – 2 LED ) |
| - WAIT – preheating of tube (180 sec ) | |
| - STBY– standby | |
| - OPR – operating condition | |
| - FAULT – failure, switching off for abt. 2 sec | |
| Parameters: | 485 x 200 x 455mm (width x height x depth) |
| Weight: | 32 kg |