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Transistors BC-Serie - BC107

Datasheet BC107 Philips

Click to enlarge450-500 kHz Wobbulator
Center frequency of sweep is adjusted with C1 and C2. With appropriate coil, operation can be extended up to 10.7 MHz. Transistors can be BC107, BF115, BF194, or other equivalent.

Click to enlargeCrystal tester circuits using BC107
You cannot use a multimeter to check a crystal. You should have a this circuit, because it can check a crystal 100Khz to 900Mhz, easily to make and cheap.The crystal is a key equipment used to generate a radio frequency.

Click to enlargeLight switch
This project will let you make a switch that will be activated by light falling on a sensor. It is a very useful device and can be used in automatism’s, security systems, counters, remote controls etc. It is very sensitive, fast acting and reliable.

Click to enlargeRinging Phone Light Flasher
This article describes the Ringing Phone Light Flasher.

Creation date : 02/12/2012 @ 00:09
Last update : 14/10/2015 @ 15:00
Category : Transistors BC-Serie
Page read 11184 times

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