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Shortwave 400 Watt class D AM broadcast transmitter.Frequency range: 3.5Mhz-7.5Mhz

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  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 400 w Max and 1600watt 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 Step size:1Hz,10Hz,100Hz,1KHz,10KHz,100KHz. Audio response:50hz-10khz +- 1.5db. Audio input:  XLR balanced 600ohm at 1V rms. A limiter and negative peak limiter is provided. Carrier level:set by the user Output power:0-400Watt max no modulation Antena connector: UHF SO239 The transmitter includes  protection for excessively SWR and protection for excessively heat. Watt meter, P.T.T switch, SWR metter and modulation meter is included. Weight: 12.5 kg If you have any questions feel free to contact
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3000 Watt class D AM MW broadcast transmitter

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                                                        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
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1000 Watt Max class D AM MW broadcast transmitter

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                                                                              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 10 00w Max. Technical data : Power requierements: 230V AC or 110V 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:50hz-10khz +- 1.5db. Audio input:  RCA female 0.5V rms at 10Kohm or XLR balanced 600ohm at 1V rms. A limiter and negative peak limiter is provided. carrier level:set by the user output power:0-1000Watt max no modulation Antena connector: UHF SO239 The transmitter includes  protection for exc
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