Because of the high level of audio needed, the modulation obtained from this circuit is somewhat limited with conventional audio sources because several volts of audio into a few hundred ohms is ...

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 ...

It is intended to fill the need for a compact unit in the low power field for either fixed station or mobile use. The unit contains six tubes, including rectifier.

However, this transmitter is low power and low fidelity, so the simple set up is more than adequate. This isn’t the first time we’ve looked at AM transmitters.

DAVENPORT, Iowa (KWQC) - The KWQC-TV6 transmitter is still on “low power” mode. “Over the past 40 days, KWQC has been switching to low power aux antenna and transmitter while WHBF has ...

Radio Design Group in Oregon is planning to introduce Parking Lot Radio, a low-power AM transmitter to support current interest in very local broadcasting.