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Circuit diagram 75 Meter QRP SSB Transceiver

The 75 Meter QRP SSB Transceiver Theory of Operation 6-30-03 In general, the transceiver switches the 4-element 1500 ohm xtal BPF ends between the inputs and outputs of the two SA602s to reverse the signal flow for R/T operation. Since no IF amplifier is used in the design, 20 dB of additional receiver gain is […]

555 circuit for timer

555 circuit for timer 555 circuit for timer

what type amplifier should used to see clear picture?

Onkar asked: we have two TV sets in my home. The first one is connected to dish antenna via set-top box. second one is connected to same set-top box by coaxial cable & it is far from it. so clear picture is not receiving. please help or give the circuit diagram for the amplifier.

Audio Amplifier

Audio Amplifier circuit using 2N3055 MJ2955 Audio Amplifier circuit using 2N3055 MJ2955, A564, D438, C1162 R1 ………… 100K 26 ………… 30K 27 ………… 560 4 …………. 10K 5 …………. 1K 8 …………. 2K4 9 …………. 4K7 10 11 12 …… 100 13 14 ……… 300 15 16 ……… 0.5 5v C1 ………… 100n 2 …………. […]

LM555 Electronics Schematic Diagram Two Stage Time Delay Circuit part 29

LM555 Electronics Schematic Diagram Two Stage Time Delay Circuit part 29

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