1: 5 V To 4 20 Ma Signal Conditioner
0 Comments - in Radio Receivers
Circuit diagram for an AM radio antenna preamplifier that amplifiers the signal before it get to the AM receiver, thus making the AM radio signals stronger for better reception.
Audio-Light Modulator Isolator
Introduces the Optocoupler-triac MOC3010. Complete electrical isolation between input audio signal (low voltage circuit) and output light modulation. Operates from 100 VAC line. Audio input via 3.5mm jack.
One Watt Audio Amplifier
1 Watt Audio Amplifier. 8 Ohms impedance. 20 Hz to 20 kHz. Small, few components.
Audio Recorder Module with 20 Seconds Memory
Recorder that can store up to 20 seconds of voice/sound
20 Watt FM Power Amplifier (1 Watt Input)
This 20 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 20 Watts.
0 Comments - in Transmitter Circuits
AM Transmitter circuit diagram, designed for transmission of AM (Amplitude Modulation) DSB (Double Side Band) radio signals. Ideal for HAM's
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