Posts Tagged ‘test circuit’



Concentration test circuit

Saturday, November 20th, 2010

This is the test concentration range, is ideal for a player to a game. Without a Net Amri alarm will be heard immediately. Operation of the circuit is to use Q1, Q2, R1, R2, R3, R4, C1 and C2 together astable multi vibrator is a rectangular waveform generator (Square Wave). It provides approximately 3 kHz [...]

Checking Transistor with the sound

Friday, October 24th, 2008

This circuit uses to check transistor get accurately and fast. By the way will check to tell with sound signal which , pertaining to the expansion ratio of transistor. Then help reduce the expenses in tool expensive buying. The transformer T1 in a picture is model output transformer at use prevent general in the receiver [...]

LED Indicator for remote AC loads

Monday, October 20th, 2008

The LED Indicator for remote AC loads Circuit. At very cheap and use electronic part the a little. This circuit uses diode rectifier cheapness , Resistor and LED only. As a result assemble the circuit shows flowwing of AC current Source in load easily. Although intend to design for apply to office implement with main [...]