Coming from an IT background to an AM transmitter site might leave you with a world of questions. Mark Persons explains the ...

TUBE AM CIRCUIT. For many years, AM transmitters used vacuum tubes for the power amplifiers and for the driver circuit. A simplified AM transmitter circuit is shown in Fig. 1. The DC high voltage ...

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. ... 6 comments on “ 10 to 15 MHz AM ...

A signal appears on the output, which has an AM component that can be picked up on a nearby AM radio receiver. The transmitter consists of oscillator stage Q1 and modulator/buffer stage Q2. Q1 is ...

[Mr. Carlson] bought a Globe Scout Model 40A ham radio transmitter at a hamfest. The 40A was a grand old transmitter full of tubes, high voltage, and a giant transformer. It is really interesting t… ...

But this time the receiving side was swapped out, as [GreatScott] built a basic circuit around a TA7642 AM amplifier/demodulator IC, with only six passive components and a hand-wound coil.

KMGH Denver, CO. FAA: May air traffic control outage caused by radio transmitter, circuit issues. Posted: June 18, 2025 | Last updated: June 18, 2025 ...

The owners of WBBM 780 AM/105.9 FM — the top-rated station in Chicago — in 2018 sold the station’s 42-acre transmitter site near O’Hare International Airport to Bridge Development Partners ...

Nov. 11—Updated 4:50 p.m. A fire engulfed local radio station KOFI's AM transmitter building early Saturday morning. The fire occurred between 1 and 2 a.m. at a transmitter station on Steel ...