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Posts tagged 21DQ60

7812 voltage regulator circuit

7812 voltage regulator circuit using 7815, 7812, 21DQ60

Circuit diagram keytop and display for electronic devices

Circuit diagram keytop and display A keyboard “key figure” who work with electrical contact between the surface of the keyboard and the underlying circuit when pressed keytop area, used by some home computers the early 1980s, and has been widely used in consumer electronic devices.

Circuit Diagram 15W EL84 Power Amp and a Transformer power supply Schematic

Circuit Diagram 15W EL84 Power Amp and a Transformer power supply Schematic Circuit Diagram 15W EL84 Power Amp and a Transformer power supply Schematic

80 Metre Direct Conversion Receiver

80 Metre Direct Conversion Receiver using MPF102, LM386, BC548

500W Car Power Amplifier Circuit

500W Car Power Amplifier Circuit using 1N4148, 2N4401, TIP31, TIP3055, 1N4002, TIP2955, TIP32, BD139, TL072

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