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DXR Electronics Bits

Electronics and Technical resources from vu3dxr

Tag: Microphone Preamplifier

Microphone Preamplifier with Audio Peak Limiter
audioCircuitsDIY

Microphone Preamplifier with Audio Peak Limiter

adminJuly 24, 2025August 28, 2025

The circuit  shared here is a Microphone Preamplifier with Audio Peak Limiter, often used in audio recording, amateur radio, or…

Condenser Mic audio amplifier: DIY Guide
audioCircuitsDIY

Condenser Mic audio amplifier: DIY Guide

adminApril 30, 2024August 28, 2025

Condenser Mic  amplifier The compact, low-cost condenser mic amplifier described here provides good-quality audio of 0.5 watts at 4.5 volts.…

NE555 based Microphone amplifier
audioCircuitsDIY

NE555 based Microphone amplifier

adminJuly 29, 2023August 28, 2025

NE555 based Microphone amplifier IC NE555 or commonly known as 555 is an IC that is well known among electronics…

SSM2167 Microphone Preamplifier with compression for ubitx HF Transceiver
audioCircuitsDIY

SSM2167 Microphone Preamplifier with compression for ubitx HF Transceiver

adminJuly 12, 2023August 28, 2025

This DIY project idea based on the small board module “SSM2167 Microphone Preamplifier Board Preamp Compression Module DC 3V-5V” widely…

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