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CIRCUIT DIAGRAMS AM TUBE SHORTWAVE TRANSMITTERS
PREVIOUS PROJECTS
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50W AM Transmitter
Multiband (9.2x and 15.0x kHz) AM (high level anode and screen) tube shortwave transmitter with CV5121 oscillator, EL86 clamp and two 807 RF power amplifier tubes in parallel. Nominal output power 50 watts.
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70W AM Transmitter
AM tube shortwave transmitter using CV5152 oscillator, PL84 buffer stage and two 807 RF power amplifier tubes in parallel. Audio low pass 220 Hz & high pass 5.5 Khz filter. Nominal output power 70 Watts.
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35W AM Transmitter
Compact multiband (3.9x and 6.2x kHz) AM (100% mod, high level modulation system) tube shortwave transmitter using CV4055 oscillator and 6146W RF power amplifier tube. Output power a perky 35 watts.
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200W AM Transmitter
High power AM tube shortwave transmitter design with 6BH6 oscillator, EL84 buffer stage, 6L6GT clamp and four 807 RF power amplifier tubes in parallel. Internal MOSFET amplifier. 200 watt output with ease.
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