VU2PTR - Thyagu's Blog on HAM Radio

DIGITAL SWR CUM POWER METER

The digital SWR / Power meter is capable of displaying the SWR, peak envelop power (P.E.P) and instantaneous power values. The SWR and P...
PTR2K10 - A Simple 7 MHZ SSB Transceiver

The Idea & Design The circuit is quite simple and straight forward. I don’t’ claim that this is my design. The basic idea was...
Home brewed HF Dual VFO DDS

The HF dual VFO DDS consists of a PIC16 F628A micro controller and an AD9850 DDS module. The PIC16F628A programs the AD9850 DDS modul...
LC METER

The “L” ( Inductance) and “C” ( Capacitance) Meter has an accuracy of 1% of the reading. The LC meter has a LCD to...
VHF SWR Meter

VHF SWR Meter
Home brewed Dip meter

Home brewed Dip meter
Modified Marchwood power supply

Front Panel The Modified Marchwood power supply is capable of delivering 35 Amps at 13.8 volts output. The home brewed unit has 5...
Meeting with OM Rasid 9M2RS at Kuala Lumpur

During my visit to Kuala Lumpur, Malaysia I met Om Rashid 9M2RS on 30th March, 2017. He was kind enough to come to the hotel where I s...
Home brewed "Q" Meter

Home brewed "Q" Meter
Visit to Perth Western Australia Ham Station

I visited North Corridor Radio group (NCRG) on 5th March 2017. NCRG has been leading in amateur radio activities in Western Australia ...

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