Broadcast Band Booster

Posted on Jan 21, 2013

The use of a loop antenna of large size (12 18`) provides a large signal pickup at AM broadcast frequencies. It has

Broadcast Band Booster
Click here to download the full size of the above Circuit.

about 18 turns. Tl is a toroidal transformer of about 3:1 turns ratio (not critical). The primary winding should have about 1.5 mH inductance. By using the circuit at (B), a varactor diode can be used in place of the 10- to 365-pF variable capacitor.

Leave Comment

characters left:

New Circuits



Popular Circuits

Simple humidity detector
Low Power Voltage Doubler Booster
ultrasonic switch sensor
Op Amp Wien-Bridge Oscillator
1964 xm
Fast Voltage-Driven Current Source
Multitone Siren
Water Level Detector With Alarm
Klipsch Promedia V5.1 Amplifier Repair