owenduffy.net Site Map, Page 4 - owenduffy.net index. Generated by www.xml-sitemaps.com

Last updated: 2021, November 26 11:47:46
Total pages: 3192 owenduffy.net Homepage

/3 pages
- calc/70 pages
- - tl/15 pages
  - RF Arbitrary Transmission Line Loss Calculator
  - mu/1 page
  - Permeability interpolations
- audio/
- - TS2000/
  - - 200805/1 page
    - TS2000 audio setup - May 2008
    - 200806/1 page
    - TS2000 audio setup - June 2008
  - legend/1 page
  - Legendary microphones for ham radio
- FM/3 pages
- Setup of FM tx for broadcast relay from a digital audio source
- Amateur Radio application of Frequency Modulation
- Passive Direct Inject Box
- - afskoverload/1 page
  - AFSK - effect of overload of tx audio input
  - LinkedRepeaters/1 page
  - Linked repeaters - siqnal quality
  - VhfAprs/1 page
  - APRS AFSK on VHF
  - AfskFmSetup/1 page
  - Setup of an FM AFSK transmitter
- module/
- - 137700Osc/2 pages
  - 137.7kHz oscillator
  - 137700.hex
  - QrssTx/3 pages
  - QRP QRSS Beacon Transmitter - on air
  - QRSS observation utilities
  - QRP QRSS Beacon Transmitter
  - rb/4 pages
  - Roger Beep
  - Roger Beep - tone waveform development
  - Roger Beep - older firmware versions
  - Roger Beep - kit contents and construction notes
  - - SM8/1 page
    - Roger Beep - SM8 installation notes
    - IC910/1 page
    - Roger Beep - IC910 installation notes
    - MC80/1 page
    - Roger Beep - MC80 installation notes
    - TS2000/1 page
    - Roger Beep - TS2000 installation notes
    - Codan8528/1 page
    - Roger Beep - Codan 8528 installation notes
  - CpldPll/1 page
  - An experimental CPLD based PLL
  - ic9350/1 page
  - Icom - 9350 / 3040 Protocol Converter (ic9350)
  - hdt/1 page
  - Heater Delay Timer
  - EA78Accukeyer/1 page
  - EA 1978 Accu-keyer improvements
  - crd/1 page
  - Coax Relay Driver
  - SoundCardPreamp/2 pages
  - Sound card microphone preamplifier
  - SoundCardPreAmpDesign.xls
  - TuneMate/4 pages
  - TuneMate for Icom transceivers
  - icah4e002.pdf
  - icah4e001.pdf
  - icah4e-510-1.10.hex
  - pik/5 pages
  - PIK - PIC Iambic Keyer
  - PIK - PIC Iambic Keyer
  - pik011.pdf
  - PIK timing
  - pik001.pdf
  - - VK3XU/1 page
    - VK3XU's PIK with integral iambic paddles
  - rpi/2 pages
  - Radio Programming Interface
  - rpipanel.pdf
  - TncAudioBob/1 page
  - TNC Audio Break-Out-Box
  - Echolink/1 page
  - Echolink interface unit
  - SpkrHiPass/1 page
  - High Pass speaker filter for CTCSS suppression
  - g2c/1 page
  - GPIB to Centronics Protocol Converter
  - SCAmmeter/1 page
  - Silicon Chip Automotive Ammeter (June 2002) - mods
  - PhoneFilter/1 page
  - Simple RF filter for telephone line
  - mdmrst/1 page
  - Mdmrst
  - HAPN/1 page
  - Fitting a HAPN 4800 board to a Paccomm Tiny 2 Mk II
  - FlashTnc/2 pages
  - Flash TNC
  - flashtncartwork.pdf
  - VkPowermate/1 page
  - VKPowermate II
  - AH4-AT300/1 page
  - AH4-AT300 Protocol Converter
  - hdt2/1 page
  - Heater Delay Timer
  - 1kHzRef/2 pages
  - 1kHz reference oscillator
  - 1kHzRef.hex
  - 137.700Beacon/1 page
  - 137.7kHz QRSS on one chip
  - - files/1 page
    - QRSS137-t25.hex
  - 440HzRef/2 pages
  - 440Hz (A4, A440) reference oscillator
  - 440HzRef.hex
  - PllLdr/3 pages
  - MCU to load PLL configuration registers
  - PllLdr - EEPROM data structure
  - Synthesisers and external reference clocks
  - - cs01/1 page
    - PllLdr application - AD9850
    - cs02/1 page
    - PllLdr application - AD9850/51 300Bd FSK
    - cs03/1 page
    - PllLdr application - BH1415F
    - Picaxe/1 page
    - Picaxe PLL loaders
    - files/2 pages
    - PllLdr.hex
    - PllLdr-tx5.hex
    - cs04/1 page
    - PllLdr application - Si4133G (VK3XDK Agile PLL)
    - cs05/1 page
    - PllLdr application - Si4133GT (VK3XDK Agile PLL V2)
    - cs07/1 page
    - PllLdr application - AD9833
  - DtrRtsInterface/1 page
  - DTR / RTS interface unit
  - ESR/1 page
  - Anatek ESR Meter - VK1OD implementation
  - RfCurrentSampler/1 page
  - RF current sampler
  - atpa/1 page
  - AVR ATTiny programming adapter
  - K3ngKeyer/1 page
  - RS232 Morse keyer
  - gpsppsu/1 page
  - GPS PPS Utility (gpsppsu)
  - - files/7 pages
    - gpsppsu.hex
    - tn25.hex
    - tn45.hex
    - tn85.hex
    - 8MHz.hex
    - 10MHz.hex
    - 12.8MHz.hex
  - hwpt/1 page
  - Hand wound power transformers
  - ArduinoThermometer/1 page
  - Arduino thermometer - a tutorial
  - hcctl/1 page
  - Generic heating / cooling controller
  - parot/1 page
  - Power Amplifier Run On Timer (PAROT)
  - - files/3 pages
    - parot.hex
    - 10s.parot
    - 180s.parot
  - ArduinoRTC/1 page
  - Arduino Real Time Clock - a tutorial
  - ArduinoMag/1 page
  - Arduino Magnetometer - a tutorial
  - PA0KLTSynth/1 page
  - PA0KLT Si570 Synthesiser - VK1OD implementation
  - ArduinoStepper/1 page
  - Arduino stepper motor driver - a tutorial
  - icm/2 pages
  - Measuring common mode current
  - Icm40.pdf
  - PllLdr2/1 page
  - PllLdr2 is a port of PllLdr to Arduino Pro hardware (inc Nano, Promini)
  - - files/2 pages
    - optiboot_atmega328E.hex
    - PllLdr2.hex
- hardware/
- - Qrp2000/1 page
  - QRP2000 Synthesiser
  - genset/1 page
  - A medium priced generator set from eBay
  - MI5104/1 page
  - Jaycar MI5104 inverter
  - apfpm/1 page
  - Acrylic plinth for small card modules
- map/8 pages
- 20160204
- VK4MQ+VK2OL-2015
- 20160630
- 20151028
- 20151029
- 20160305
- 20160111
- AprsDup2