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2 tr preamp mic schematic

2 tr preamp mic schematic using C536, C458 R1,7 …… 2K2 R2 …….. 47K R3 …….. 270 R4 …….. 2M2 R5 …….. 180K R6 …….. 470K R8 …….. 15K R9 …….. 150K C1 …….. 22uF/16V C2 …….. 200nF C3 …….. 10uF/16V Q1 …….. C694 / C458 Q2 …….. C536 / C458 VR …….. 50K

Echo Repeter and preamp mic schematic

Echo Repeter and preamp mic schematic Part R1,6,25,36,48,54           2K2 R2,7,16,27               470K R3,8,26,31               12K R4,9,39               220R R5,10                   22K R11                   1M5 R12,45                   10K R13,52,53,58,59           […]

Battery Charger circuit

Battery Charger circuit using LM317, BC548

MAX2642 MAX2643 high third-order intercept point low-noise amplifiers LNA

MAX2642/MAX2643 high third-order intercept point (IP3), low-noise amplifiers LNA are designed for applications in cellular, ISM, SMR, and PMR systems. They feature a programmable bias, allowing the IP3 and supply current to be optimized for specific applications. These LNA provide up to 0dBm input IP3 while maintaining a low noise figure of 1.3dB. The gain […]

Whole House FM Transmitter

Whole House FM Transmitter If the whole house FM transmitter, it must use this FM Transmitter circuit

Simple Amplifier circuit using LM

Simple Amplifier circuit using LM1875 Stereo Audio Amplifier electronic circuits

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