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Twisted Pair. Twisted Pair wiring is a strategy that uses a pair of wires which are twisted around each other to transmit data between two nodes.. This is a low cost 150 Watt amplifier circuit with diagram and schematic design using two Darlington power transistors TIP 142 and TIP 147. This amplifier circuit can deliver 150 Watt RMS.. 100 Watt sub woofer amplifier - Working and Circuit diagram with parts list.
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Component prepairing. To prevent DC offset problems is needed to match transistors Q1-Q4 and zener diodes. In original article is a deep description how to do it. With transistors I had not any problems at all.. (1) RF decoupling of receive audio line Under transmitter test into a dummy load a small amount of RF pickup was found on the receive audio output wiring..