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

Low Power Voltage Reference
Voltage controlled amplifier
Three-step level indicator
Receiver Audio Circuit
water level circuit
diy ambient orb with arduino update <77> comment page 3
Band Pass Filters
Simple Electronic bell circuit using transistors
Ultrasonic Sensor Circuit
The LED car voltmeter (2)
Input programming activity
A child lost alarm circuit