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 ...

However, this transmitter is low power and low fidelity, ... That reminds me of the ZN414 one chip am radio. Every circuit I saw using a ZN414 worked just as well with a BC108 bipolar transistor.

This low-cost AM transmitter is tunable from 10 to 15 MHz with the help of ½J gang condenser VC1, ... A New Choice for Smart IoT with Low-Power Innovation . 07.01.2025. ... 6 comments on “ 10 to 15 ...