Details on assembling this AM radio kit that’s mostly in Chinese. Note that “http:” is not secure so it might need https: instead. http://www.radioboatanchorblog.com/blog/hx-6b-chinese-radio-kit-build?fbclid=IwY2xjawLcfHdleHRuA2FlbQIxMQABHkIPEJW7iGvqm7ooztFySxe38gLI2guH4ymbV-sXwPbOoqyIxvYFQxL0J5j4_aem_Msqfjb36T0JDEY92jt3izQ
Archive for the ‘Radio, Television entertainment’ Category:
2025-07-08 Full Restoration Of Old AM Transistor Radio
This is hard to believe. It’s a lot of work to do on a cheap AM radio. But it gives me a lot of ideas. I wonder how many hours it took to do this, we see it happening in nust a few minutes. https://www.facebook.com/restorationpretty/videos/591611740013679/?mibextid=9drbnH&s=yWDuG2&fs=e
2025-07-08 In 1929 The Superheterodyne Radios Made TRF Radios Obsolete
In the 1920s the TRF – tuned radio frequency – radios were hard to tune and their performance wasn’t very good. In 1929 the radio manufacturers started selling superheterodyne radios that had only one tuning knob, not several like the TRFs had. No more fiddling around with knobs to try to get good reception. Plus
(Read More…)
2025-03-25 Trumplicans Hypocrisy And Double Standards
Brian Tyler Cohen discusses with Mark Elias about how really bad Trump and the Republicans are.
2025-03-18 Support A 1% Tax On Advertising To Fund Elected Officials
This seems like a reasonable idea. Quote from Tom Hefferman “”We have to stop the insane donation-bribery scheme that plays right into the hands of billionaires and special interests. With all their billions, Elon Musk and the other billionaires can afford to buy the loyalty of a majority of our elected officials. This is a
(Read More…)
2024-12-21 George Carlin Says The Sun Is A Better God
George Carlin makes some very good points about the failed society we live in. He was interviewed by ??. He remarked that the Sun would be a better choice for a god. It grows your food, it keeps you warm, etc. https://www.facebook.com/AllThingsComedy/videos/2490364417784302/?mibextid=9drbnH
2024-12-11 Walmart Bought Vizio
They said that Vizio makes more money from selling data from their TVs than they make from selling TVs themselves. That’s crazy. Another one of those data privacy concerns.
2024-11-08 RF Amp Using BD139 Power Transistors
He has a strong Aussie accent, a bit hard to understand. It’s a 28 min. YouTube video. He says BD139s have a fT of 250 MHz, but the datasheet I have does not specify any fT because the D in BD139 means they are a low frequency device, not meant for VHFs or RFs in
(Read More…)
2024-10-11 Connect Smartphone To TV
Shows how to connect your smartphone to your tv, then download and install apps, one is Pluto. https://www.facebook.com/reel/485192037831130/?mibextid=9drbnH
2024-08-31 AM Transmitter, Low Power
This is an AM transmitter that this guy built. He says it’s rich in harmonics – it has no tuning nor low pass filtering and the stages are class C, no forward bias. It should have all the things used to minimize harmonics, like a low pass filter. Class C operation is used to maximize
(Read More…)
