Thread: hand held or bench oscilloscope?
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02-08-2020 #1
I recall that vaguely. I briefly bothered with a licence after passing the test (couldn't be bothered with learning Morse though) - G8XCN, IIRC. I did most of my transmitters before then. I guess legalising it removed much of the excitement factor. Then I got more into UHF digital frequency synthesisers, DFMs, directional aerials etc. Could never understand people getting excited about DXing. To me it's like using a workshop to make model engines....
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05-08-2020 #2
I lost serious interest in amateur radio when I became a professional. I did manage to get the licence G0 KIT as the timing meant I didn't have to wait long for that one to come round and someone was going to get it!
Receivers were a bit of a speciality of mine, the performance of the frequency synthesisers being a critical part of separating the good from the bad, and digital modulation/demodulation, though more in theory than practice. I could talk all day about Coded Orthogonal Frequency Divison Multplex coding and decoding and indeed did so on many occasions. UHF synthesiser noise performance was a big concern for the early digital TV set-top box designers and baseline receiver performance was a signifficant part of the transmitter network planning.An optimist says the glass is half full, a pessimist says the glass is half empty, an engineer says you're using the wrong sized glass.
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