[Mr Carlson] does a great job of walking through the schematic and ... If you want to build your own tube-based AM transmitter, you might want to have soup for lunch.

This low-cost AM transmitter is tunable from 10 to 15 MHz with the help of ½J gang condenser VC1, which determines the carrier frequency of the amplitude modulation transmitter in conjunction with ...

An AM transmitter is simple enough, in this case an oscillator and buffer driving a class C power amplifier. The modulation is applied by a transistor in series with the power amp, driven from an ...

(click thumbnail)Right-Click here to download the 707 schematic. For many of us ... The heart of the transmission plant usually was a 1 kW AM transmitter, many acquired when Class IV stations were ...