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Posts tagged 1watts

Make a simple power amplifier-BC547 – 1watts

Make a simple power amplifier-BC547 – 1watts This circuit is probably my most used AF power amplifier circuit in my own homebrew equipment.This circuit will deliver the full 1 watt output with about 400mV RMS of drive voltage, but for other input levels you can set the gain by adjusting the value of R8. The […]

Making Charger Battery

Making Charger Battery circuit using Tr BD140, BC547

Astable Operation Mode circuit

Astable Operation Mode circuit Circuit Diagram of the Astable Operation Mode as a Part of a Single Cell Boos Converter using ZSCT15555, BAS16, FMMT3906, ZHCS750

35W Amplifier circuit

35W Amplifier circuit using NE540, 2N3055, MJ2955 35W Amplifier circuit using NE540, 2N3055, MJ2955 This is a class C amplifier, this means, that a current must flow through the end transistors, even if there is no signal on the input. This current can be regulated with the 600Ω trimmer resistor. As this current incrases, the […]

Tv transmitter circuit using lm1889n

Tv transmitter circuit using lm1889n Cl1 – LM1889n Q1, Q2, Q4 – BC547 Q3 – BD135 D1 – BB809 R1, R15 – 82 Ohm R2 – 120 K Ohm R3 – 27K Ohm R4 – 1,2 K Ohm R5, R13, R14 – 270 R6 – 470 Ohms R7 – 56k Ohms R8 – 68k Ohms […]

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