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Wireless Microphone

Wireless Microphone circuit using 2N3904 wireless microphone Wireless Microphone circuit using 2N3904

Microphone circuit

Microphone circuit

NOISE REDUCTION PROCESSOR circuit

NOISE REDUCTION PROCESSOR circuit DOLBY B-TYPE NOISE REDUCTION PROCESSOR KA2271 DOLBY B-TYPE NOISE REDUCTION PROCESSOR KA2271 The KA2271 is a monolithic integrated circuit designed for use in Dolby* B-type reduction systems. FEATURES Few external components Low quiescent circuit current (Typ Iccq=4.3mA) High crosstalk rejection ratio. Built-in NR-switch, REC/PB-switch. Recommended supply voltage: Vcc=8V~16V.

Low Distortion Audio Generators

Low Distortion Audio Generators using ICL8038, 2N1613 Low Distortion Audio Generators using ICL8038, 2N1613

Radio Shortwave UHF 433MHZ

Radio Shortwave UHF 433MHZ circuit

qsc power amplifiers

qsc power amplifiers using NE5532, BC547B, BC557B, TIP42A, TIP41A qsc power amplifiers using NE5532, BC547B, BC557B, TIP42A, TIP41A Parts: P1 22K P2 100K R1 820R 1/4W R2,R4,R8 4K7 R3 500R 1/2W R5 82K 1/4W R6, R7 47K 1/4W R9 10R 1/2W R10 R22 4W C1, C8 470nF 63V C2, C5 100uF 25V C3, C4 470uF […]

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