Am transmitters Greece

                                        Shortwave radio broadcast transmitter  This is a high efficiency Am transmitter in SW band using dds for frequency synthesis and class D full bridge RF amplifier   with pwm audio modulator. What you see is a complete transmitter assemled and fully tested.The unit is capable to produce a  carrier of 500 w Max and 2000watt PEP. Technical data : Power requierements: 230V AC   Performance: Output freq. range: 3.5Mhz-7.5Mhz(user adjustable).In 2 versions : a:3500 khz to 5500 khz b:5500 khz to7500 khz Supported Bands: 80M, 75M, 49M, 40M. Operation video: Step size:1Hz,10Hz,100Hz,1KHz,10KHz,100KHz. Audio response:50hz-10khz +- 1.5db. Audio input:  XLR balanced 600ohm at 1V rms / RCA female 0.5V Rms at 10Kohm A limiter and negative peak limiter is provided. Carrier level:set by the user Output power:0-500Watt max no modulation Anten...