3000 Watt class D AM MW broadcast transmitter
AM DDS class D MW complete transmitter This is a high efficiency Am transmitter in MW 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 30 00Watt and when modulated you can expect 14000Watt PEP. Technical data : Power requierements: 230V AC Performance: Output freq. range :500khz-1.8mhz(user adjustable).In 3 versions : a:500khz to 900 khz b:900khz to 1.4MHz c:1.4MHz to 1.8MHz(DEFAULT). Step size:1Hz,10Hz,100Hz,1KHz,10KHz,100KHz. Audio response:100hz-10khz +- 1.5db. Audio input: RCA female 0.5V rms at 10Kohm or XLR balanced 600ohm at 1V rms. Limiter and negative peak limiter is provided. Carrier level:set by the user Output power:0-3000Watt no modulation Antena connector: UHF SO239 or Female 7/16 The transmitter includes protection for excessively SWR and protection