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Archives for May, 2010

RF power amp

100 W LDMOS RF power transistor circuit for broadcast transmitter applications S-band radar applications in the 2.9GHz to 3.3GHz frequency range using BLS2933-100 100 W LDMOS RF power amp using transistor for broadcast transmitter applications, S-band radar applications in the 2.9GHz to 3.3GHz frequency range using BLS2933-100 100W LDMOS power transistor for S-band radar applications […]

Alarm temperature circuit

Alarm temperature circuit using C828, C458 Alarm temperature circuit using C828, C458

LOw Noise Equalizer Amplifier circuit

LOw Noise Equalizer Amplifier circuit using KA22211 LOw Noise Equalizer Amplifier circuit using KA22211

Phone Line Controller circuit

Phone Line Controller circuit using CM8870, PIC16F84A, 4N35, BC547, 7805

op amp low pass filter using TR 6922

op amp low pass filter using TR 6922 op amp low pass filter using TR 6922

Class a audio power amp circuit

16W Class a audio power amp circuit using BUZ901, BUZ906, 1N4148, 6SL7, 6SN7

PRE AMP MIC

PRE AMP MIC 3 TR USING BC550C BC556 BC546 PRE AMP MIC 3 TR USING BC550C BC556 BC546 R1_____________ 1K5 R2_____________ 220K R3_____________ 18K R4_____________ 330R R5_____________ 39K R6_____________ 56R R7,R10_________ 10K R8_____________ 33K R9_____________ 150R R11____________ 6K8 R12,R13________ 100R R14____________ 100K C1_____________ 220nF 63V C2_____________ 220pF 63V C3_____________ 1nF 63V C4,C7__________ 47µF 50V C5,C6__________ […]

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