Active-antenna


Posted on Apr 6, 2012

All capacitors in this circuit are disc ceramic. Fixed-value resistors are 1/.-or 1/2-W carbon. Rl controls the gain of Ul. RFCl is a miniature 2.5mH rf choke.


Active-antenna
Click here to download the full size of the above Circuit.

Tl has 30 primary turns of #28 enamel wire on an Amidon FT50 -43 ferrite toroid core, and the secondary has four turns of #28 wire.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

12 Volt 20 Amp Solar Charge Controller
Volume Control circuit
Precise audio clipper
Operating Systems Latency Measurement and Analysis
music in a chip
Tube Technology
Electronics Grasshopper using 555
2-Line Intercom-Cum-Telephone Line Changeover Circuit
Site news archive - PCB Heaven
Pulsed LC Oscillator
A three-alarm phase circuits



Top