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Monthly Archives: May 2013
A Most Convoluted 1934 Philco 66B Antique Radio Repair
Recently, I took in a beautiful Philco 66B for repair. Manufactured in 1934, this chassis ended up in several different models – a couple of tombstones, a cathedral, and at least two console radios. They’re all 5-tube radios with the … Continue reading
Posted in DIY, Projects, Radios and Tubes, Vintage
Tagged 1934, antique radio, philco, philco 66b, radio, repair, restoration, tube radio, vacuum tube, vintage, vintage radio
13 Comments
Australian TV Tuner Offers 4 RTLSDR Tuners in One Internal Card
Over at RTL-SDR.com is a report of a fascinating development with the DigitalNow Quad DVB-T Receiver, apparently well suited to working as a very powerful multi-SDR solution. I just wanted to let you guys know that the Digital Now Quad … Continue reading
Posted in DIY, Electronics, Gadgets, Hardware, Radio
Tagged Australia, digitalnow, dvb-t, integrated tuner, multi tuner, quad, quad tuner, Realtek, RTL-SDR, RTL2383, RTL2383U, RTLSDR, SDR#, software defined radio, tuner
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Coming Soon: KN0CK Rev B Integrated HF RTLSDR
Marty KN0CK developed a very interesting v1.0 HF converter based on surface mount technology that fits inside the casing of an RTLSDR tuner dongle. He’s recently sent me schematics for the revision, which should offer even better performance! This new iteration … Continue reading
Posted in Electronics, Projects, Radio
Tagged amateur radio, converter, dvb-t, E4000, ez-cap, hf, hf converter, hf upconverter, hp up-converter, KN0CK, MAR 8+, Marty, Mini-Circuits, RF amplifier, RTL-SDR, RTLSDR, schematics, SDR#, shortwave, shortwave listening, smt, up-converter, Upconverter
7 Comments
Don’t Trust Everything You Read (On Old Radio Schematics)
Electrical drafting is primarily done on a computer today, with software such as EAGLE or KiCAD. This wasn’t the case back when tube radios ruled the airwaves, though – schematics were drawn up by engineering draftsmen by hand. And as … Continue reading →