Most Popular
    • Audio Spectrum Analyzer - OscilloMeter
      Audio Spectrum Analyzer for Real-time, FFT, OscilloScope, Frequency counter, voltmeter, noise and distortion meter, phase shift meter. Multi-Tone Sound Frequency Sweep Generator. White, pink noise.
    • Audio spectrum analyzer
      Analyzes audio from 10 Hz to 20 kHz, input from microphone or wave file, Variable sample rates (8000 Hz, 11025 Hz, 22050 Hz, 44100 Hz) Variable transform sizes (1k, 2k, 4k, 8k) Upper and lower limits adjustable Continuous, averaged, peak hold
    • Soundcard Audio Tools and Toys
      Soundcard audio tools and toys, experimental ideas and utilities. Signal Generator, Frequency-counter / instrument-tuner, Real-time Spectrum Analyser
    • Setting audio on Yaesu FT-2000
      Yaesu FT-2000 Audio Settings - How to make the FT-2000 sound clear and clean by LA5MDA
    • Yaesu FT-1000D HiFi SSB Audio and Mods
      Using Hi-Fi Audio with FT-1000. Includes many FT-1000D modifications too by K6JRF
    • Bluetooth Audio and Amateur Radio
      Bluetooth headsets are very common with cell phone users. As such, many amateurs may already own a Bluetooth (BT) headset. So why not use it with amateur radio?
    • Build An Audio Speech Processor
      When one operates at low power on SSB, speech processing becomes almost essential to get through the QRM. The circuit is a low cost speech processor that will perform well with a minimum of construction effort.
    • Audio Preamp
      Easy circuit that provide good gain to weak audio signals
    • HI-FI Audio with Kenwood TS-850SAT
      Setup guide for DSP-100 and TS-850
    • A simple VOX circuit
      Here is a 3 transistors 6 diodes circuit that is a Voice Operated Tx PTT control as well as an ANTI VOX circuit to stop mis-operation from Rx noise by G8MNY
    • FT-897D Audio processing and ALC operation
      Audio processing and ALC in the FT-897D
    • Transistor Audio Preamplifier Circuits
      Design Guidelines for Bipolar Transistor Audio Preamplifier Circuits By Mike Martell N1HFX
    Pages: 1 2 [>>]
    • 12V powered Audio Amplifier - A 12V powered, 4x15 Watt quad audio amplifier
      [ Hits: 291 | Votes: 0 | Rating: 0.00 ]
    • 12W amplifier - ON6MU 12 Watt amplifier schematic
      [ Hits: 431 | Votes: 2 | Rating: 8.50 ]
    • A fool-proof VOX - A circuit which had been used in many other application before. The configuration described here is optimized for IPHONE/radio operation.
      [ Hits: 1358 | Votes: 0 | Rating: 0.00 ]
    • A Potpourri of Audio Amplifiers - A collection of audio amplifier projects by N1HFX
      [ Hits: 469 | Votes: 0 | Rating: 0.00 ]
    • A simple VOX circuit - Here is a 3 transistors 6 diodes circuit that is a Voice Operated Tx PTT control as well as an ANTI VOX circuit to stop mis-operation from Rx noise by G8MNY
      [ Hits: 2377 | Votes: 3 | Rating: 2.33 ]
    • Audio Cables - Article with answers to common questions as what cable types to user, cable length, how to join ends.
      [ Hits: 143 | Votes: 0 | Rating: 0.00 ]
    • Audio Compressor for SSB - Build an audio Processor and clipper optimised for SSB transmitter
      [ Hits: 1214 | Votes: 0 | Rating: 0.00 ]
    • Audio CW Filter - A very effective AF Adaptor, with built-in noise blanker and 30 Hz CW filter modules by PA0LQ
      [ Hits: 1277 | Votes: 3 | Rating: 5.67 ]
    • Audio filters and speakers - Review of common audio speakers for mobile setups
      [ Hits: 400 | Votes: 0 | Rating: 0.00 ]
    • Audio Mixer - An homebrew audio mixer for the ham shack by GW6ITJ
      [ Hits: 556 | Votes: 2 | Rating: 2.00 ]
    • Audio Preamp - Easy circuit that provide good gain to weak audio signals
      [ Hits: 3594 | Votes: 2 | Rating: 3.50 ]
    • Audio processor for SSB transceiver - This circuit consists of microphone amplifier and a high pass filter. Suitable to improve signal readability.
      [ Hits: 1304 | Votes: 1 | Rating: 1.00 ]
    • Audio spectrum analyzer  pop - Analyzes audio from 10 Hz to 20 kHz, input from microphone or wave file, Variable sample rates (8000 Hz, 11025 Hz, 22050 Hz, 44100 Hz) Variable transform sizes (1k, 2k, 4k, 8k) Upper and lower limits adjustable Continuous, averaged, peak hold
      [ Hits: 29408 | Votes: 53 | Rating: 3.87 ]
    • Audio Spectrum Analyzer - OscilloMeter  pop - Audio Spectrum Analyzer for Real-time, FFT, OscilloScope, Frequency counter, voltmeter, noise and distortion meter, phase shift meter. Multi-Tone Sound Frequency Sweep Generator. White, pink noise.
      [ Hits: 87611 | Votes: 320 | Rating: 6.21 ]
    • Bass EQ Pre Amp - A Bass Eq Pre amplifier for high impedance PU by ON6MU
      [ Hits: 306 | Votes: 0 | Rating: 0.00 ]
    • Bluetooth Audio and Amateur Radio - Bluetooth headsets are very common with cell phone users. As such, many amateurs may already own a Bluetooth (BT) headset. So why not use it with amateur radio?
      [ Hits: 4044 | Votes: 9 | Rating: 7.22 ]
    • Bose Headphone Mod - Adding a boom mike to Bose Quiet Comfort (QC-1) noise-cancelling headphones
      [ Hits: 252 | Votes: 0 | Rating: 0.00 ]
    • Build An Audio Speech Processor - When one operates at low power on SSB, speech processing becomes almost essential to get through the QRM. The circuit is a low cost speech processor that will perform well with a minimum of construction effort.
      [ Hits: 3836 | Votes: 13 | Rating: 7.30 ]
    • Communication Speakers - Have you searched and searched for a good speaker for your ham radio? That perfect speaker that would let you hear voices through the noise and static without hiss?
      [ Hits: 364 | Votes: 3 | Rating: 5.67 ]
    • Control unit for receive audio - A master control unit for receive audio
      [ Hits: 428 | Votes: 0 | Rating: 0.00 ]
    • Design Guidelines for JFET Audio Preamplifier Circuits - Design Guidelines for JFET Audio Preamplifier Circuits By Mike Martell N1HFX
      [ Hits: 520 | Votes: 4 | Rating: 1.00 ]
    • Designing Op Amp Audio PreAmplifiers - Design guidelines for Op Amp audio preamplifier circuits by Mike Martell N1HFX
      [ Hits: 1511 | Votes: 4 | Rating: 3.25 ]
    • DSP Speaker project - Build this noise reducing system to enhance audio of your speaker. A project by kg4jjh
      [ Hits: 448 | Votes: 0 | Rating: 0.00 ]
    • Elecraft DSP audio settings - DSP Settings and Mic Connections for Elecraft K3
      [ Hits: 161 | Votes: 1 | Rating: 1.00 ]
    • External Audio Equalizers - An excellent guide on choosing external audio equalizers by K3DAV
      [ Hits: 241 | Votes: 0 | Rating: 0.00 ]
    • Flex Radio Power SDR Transmit Audio Settings - AB4BJ optimizing audio settings on the flex 5000A and heil microphones
      [ Hits: 305 | Votes: 1 | Rating: 10.00 ]
    • From STEREO to MONO - Mixing channel, from stereo to mono in italiand and eglish by IZ0KBA
      [ Hits: 193 | Votes: 0 | Rating: 0.00 ]
    • FT-726 AUDIO Modifications - Throughput improvement for the FT726R - Tapr PSK modem
      [ Hits: 619 | Votes: 0 | Rating: 0.00 ]
    • FT-817 Speech Processor - A speech processor project and schematic for the FT-817 based on information taken from eHam and Ok1CDJ
      [ Hits: 582 | Votes: 0 | Rating: 0.00 ]
    • FT-897D Audio processing and ALC operation - Audio processing and ALC in the FT-897D
      [ Hits: 2198 | Votes: 4 | Rating: 3.00 ]
    • Ham EQ - Home made amateur radio equalizer project, designed to enhance a ham operators SSB audio by ND2M
      [ Hits: 347 | Votes: 0 | Rating: 0.00 ]
    • Ham Radio Recording and Playback - Getting the audio out of the rig into a recording device, EQing Ham Radio Recordings, Mixers in Ham Radio Use, Getting the audio back into the rig
      [ Hits: 192 | Votes: 3 | Rating: 2.00 ]
    • Headphone amplifier - A headphones splitter box with amplification by Ian White, M0BXR
      [ Hits: 325 | Votes: 0 | Rating: 0.00 ]
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