Cracking the SI5351 Multiple Clock Generator – Part I
Its been some time I have been wanting to use a SI5351 chip to build a VFO. As the cheapest version of this chip (at just $1.30) can be configured […]
Technology
Making a PCB Using Toner Transfer Method – Part II
I have been making PCBs for homebrew projects for a while now and the old process I used is documented here. You would notice that the PCBs did not come […]
ASH-DCR a homebrewed 40M Direct Conversion Receiver designed by VU2ASH
Built this Direct Conversion RX called ASH-DCR. I named it myself 🙂 as it is designed by VU2ASH OM Ashok Joshi. It is a very simple design and a good […]
DDS VFO demo Using AD9850 and Atmega328P
I put together this breadboard version of an AD7C designed DDS VFO demo with a little help from pen friend AB9XC Pravin Kumar Anandan. AD7C designed this basic VFO around […]
Bootloading and programming a Atmega328P/PU using arduino Nano or Uno as ISP
I recently bought a few Atmega328PU chips to use in some project. Its better to use these bare ICs in the circuits instead of putting the whole Arduino Uno or […]
HFI 2014 – BITX40 Design – Everything you want to know!
At the HamFest India 2014 conducted on 7th and 8th November 2014 at Hyderbad, a PCB of BITX40 Transceiver was distributed free as a part of the welcome kit. The […]