300W HF amplifier input 0.3W for SDR Hermes Angelia SSB CW with lpf VRF2933
300 W out HF amplifier SSB CW for low power SDR HERMES , ANGELIA... With lpf 1,8-30 MHz This device is designed for use with modern DUC/DDC low power SDR radios, like HERMES , ANGELIA or others. With 0.3 - 0.5W input power from SDR it runs solid 300W to your antenna. The amplifier's output is filtered by LPF with diplexer, so the second and higher harmonics of transmitted signal are suppressed for more than 47 dB. To switch the filters you need simple open-collector circuit or mechanical switch.
First stage is MRF150 class A amplifier and second is 2 x VRF2933 (see schematic). Measured IMD of complete amplifier is -40 dBc. The power supply requirements is 50VDC 10-12A. The board size is 165 x 240 mm, but each amplifier and diplexer can be separated by cutting the PCB to suite your housing dimension.Through user programmable pins of accessory connector. This device does not include heatsink. The item "300W HF amplifier input 0.3W for SDR Hermes Angelia SSB CW with lpf VRF2933" is in sale since Thursday, November 26, 2015. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers". The seller is "v_phil" and is located in Voronezh, default. This item can be shipped worldwide.
- Brand: Unbranded/Generic
- Model: PA03-300W
- MPN: Does Not Apply
- Max. Output Power: 300W
- Frequency Band(s): HF
- Supported Modes: SSB
- Country/Region of Manufacture: Russian Federation