Miniature MW Transmitter…[more] : circuit diagram of simple medium wave transmitter using BF494B. This simple transmitter have a range of 200 meters.
Miniature FM Transmitters #4…[more] :
FM Wireless Mike…[more] : low power frequency modulated transmitter using tw1o transistors. The circuit works with 9v power supply.
Wideband OpAmp Capable of MicroPower Operation …[more] : National Semiconductor Application Notes,24-Oct-2001
Wideband AGC Amplifier As a Differential Amplifier…[more] : National Semiconductor Application Notes,10-Apr-2000
Temperature Monitor…[more] :
Lightning Detectors…[more] :
Lightening Detector…[more] :
WiFi Can Antenna…[more] :
Wein Bridge Oscillator…[more] :
Alarms-and-Security
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