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 3000Watt 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 for excessively heat.

Furthemore includes RF connector So239 for receiver.(if requested)

Watt meter,P.T.T switch,SWR metter and modulation meter is included.

The transmitter is consisted of 2 racks U3.One rack includes the power supply unit and the second rack includes the RF amplifier.

Weight: Power supply unit 16kg, RF amplifier unit 20kg.

If you have any questions feel free to contact me at pa.sa.t.electronics@hotmail.com