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  • TelephoneBill's Avatar
    03-12-2019, 12:46 AM
    Experiment (4) – Test with two 1 GHz Dipole Antennas (Transmit and Receive) In this fourth experiment, I illustrate radio signals transmitted from the ADF4351 via 50 ohm RG316 coax fed into a simple half wave dipole...
    4 replies | 274 view(s)
  • TelephoneBill's Avatar
    03-08-2019, 07:23 PM
    Experiment (3) – Making a 1 GHz Frequency Counter In the last experiment, I measured the wavelength of a 1 GHz signal. Now it is time to actually count every individual cycle – all 1 billion per second of them. My...
    4 replies | 274 view(s)
  • TelephoneBill's Avatar
    03-07-2019, 01:58 PM
    Experiment (2) – Measure 1 GHz wavelength Haven’t got an amplitude modulation experiment ready yet, but here is one that can measure the wavelength of the ADF4351 1 GHz output using an analogue technique. It...
    4 replies | 274 view(s)
  • TelephoneBill's Avatar
    03-06-2019, 02:16 PM
    The code I use for the ADF4351 control is listed below. I use a Teensy 3.1 via the SPI bus but other Teensy boards should work. Note in the code that I shift the SPI Clock pin from pin 13 to pin 14. This is just so I...
    4 replies | 274 view(s)
  • TelephoneBill's Avatar
    03-05-2019, 12:14 AM
    There are some impressive PCBs on the market these days. Various low cost “copy” Evaluation Boards in particular offer tremendous functionality. I was therefore delighted recently to stumble across the ADF4351 board on...
    4 replies | 274 view(s)
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About TelephoneBill

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Fun with GHz signals 03-12-2019 12:46 AM
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03-03-2015