Showing posts with label used. Show all posts
Showing posts with label used. Show all posts
Thursday, November 6, 2014
Converter Circuit 240V AC TO 5VDC POWER SUPPLY used 7805 Regulator
Converter Circuit 240V AC TO 5VDC POWER SUPPLY used 7805 Regulator
This is simple way to power some 5v logic from a 240v ac source. If a 120v ac power adapter is used, the circuit will also work for 120v ac power lines.
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Monday, November 3, 2014
100W Audio Amplifier Transistor used BDW83D BDW84D circuit diagram
Here 100 watt power audio amplifier which using power transistor BDW83D and BDW84D. Copyright belong to Smart Kit. Schematic diagram:
Component part list:
R1 = 1,2 K D1 = 1N4002-7
R2 = 0,47 OHM D2 = 1N2002-7
R3 = 220 OHM D3 = 1N4148
R4 = 3,9 K D4 = 1N4148
R5 = 2,2 K D5 = 1N4148
R6 = 2,2 K D7 = 1N4148
R7 = 10 K D8 = 1N4148
R8 = 4,7 K Q1 = BDW84D
R9 = 150 OHM Q2 = BD829
R10 = 39 OHM Q3 = BC546
R11 = 3,3 K Q4 = BC556
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