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Posts tagged HF VHF UHF

HF VHF UHF tv antenna boster Active

HF VHF UHF tv antenna boster Active circuit diagram using 2SC2570, MFE201

Electronic circuit diagram audio amplifier AN7117 0,50w

Electronic circuit diagram audio amplifier AN7117 0,50w

MAX2264/MAX2265/MAX2266 power amplifiers are designed for operation in IS-98-based CDMA

The MAX2264/MAX2265/MAX2266 power amplifiers are designed for operation in IS-98-based CDMA, IS-136-based TDMA, and PDC cellular telephones operating in the 900MHz range. When matched for CDMA operation and biased with margin over the adjacent and alternate channel specification (-45dBc/-56dBc), the amplifiers achieve 28dBm output power with 37% efficiency (MAX2265). At +16dBm output-a very common power […]

Preamp mic schematic and Audio Megaphone

Preamp mic schematic and Audio Megaphone using BC547, TDA7052 P1_____________22K R1_____________22K R2,R3_________ 100K R4_____________47K R5______________2K2 R6______________6K8 R7_____________22K R8______________2K7 C1,C6_________ 100nF  63V C2,C3__________10µF  63V C4_____________22µF  25V C5_____________22nF  63V C7____________ 470µF  25V Q1_ BC547 IC1 TDA7052 SW1____________SPST MIC____________electret microphone SPKR___________8 Ohm Loudspeaker

Make Audio power Amp used IC HA13118 pmpo 18w

power Amp Electronics Schematic Diagram used IC HA13118 pmpo 18w as the main component. The type of this amplifier is bridge amplifier since the output line does not grounded.

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