Monthly Archives: May 2010

Two Transistors FM Transmitter

Posted on May 19, 2010 by Rust
Simple FM Transmitter

Basically, this circuit is a radio frequency (RF) oscillator that operates around 100 MHz. The audio which is picked up and amplified by the electret microphone is fed into the audio amplifier stage built around the first transistor. Output from … Continue reading →

Posted in RF and Video | Tagged | Comments Off

Low-Dropout (LDO) Voltage Regulator

Posted on May 19, 2010 by Rend
THE LOW-DROPOUT (LDO) REGULATOR

This is a Low-dropout (LDO) Regulator circuit, constructed by using only a single PNP transistor. This circuit is directly related to load current. At very low values of load current as little as 50 mV. This circuit has maximum specified … Continue reading →

Posted in Power Supply | Tagged , | Comments Off

Voltage-Controlled Tone/Volume/Balance Circuit

Posted on May 19, 2010 by Rust
Voltage-Controlled Tone Volume Balance Circuit

The LM1036 is a DC controlled tone (bass/treble), volume and balance circuit which can be applied in car radio, TV and audio systems. Loudness compensation to be simply effected is allowed by an additional control input. Control of the bass, … Continue reading →

Posted in Audio and Music | Tagged , , | Comments Off
« 1 2 3 4 5 6 »