Homemade Metal Detector Kit
This idea is both for indoor and outdoor use, depends on how you could modify or enhance it. The important reason you ought to build this circuit is to learn building non-ic oscillators, this...
Tagged: RF-Circuits
PIC Microcontroller with GSM
How would you let your PIC-Micro Board Interface with your Cell Phone (Network). These Cards and Designs will help your Embedded System to be Controlled or Monitored using a simple Wireless Device Networking.
Low Cost AM FM Stereo Receiver
This was a National Semiconductor Application Note, now TI. – Low Cost IC Stereo Receiver. The LM3089 FM IF System does all the major functions necessary for FM processing, including a three stage amplifier/limiter...
Antenna-amplifier with BFT 12 for FM-range
The only way to improve the reception of FM-signals or particularly of stereo FM-signals under disadvantageous receiving conditions is to amplify the antenna signal. This should be made directly at the antenna, since the...
