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Метка: measurements

12.09.2024 enthru hamradio amplifiers, hf, measurements, sdr

Dn-radio kit rd16 amp. IMD3

Not the best, around 20dbc — 26db PEP average, needs some work 🙂

12.09.2024 enthru hamradio amplifiers, hf, measurements, sdr, wolf, wolf3

Wolf 3.5″ IMD 3

10watt power 28dbc — 34db PEP: 10watt power 30dbc — 36db PEP: 5watt power 15dbc — 21db PEP:

11.09.202412.09.2024 enthru hamradio amplifiers, hf, measurements, wolf

Wolf2 amplifier IMD3

102W 26dbc = 32 db PEP (taking average — did multiple measures and they were around this value): 1A current on the

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10.09.202420.09.2024 enthru hamradio amplifiers, hf, measurements, sdr, wolf, wolf7

Wolf 7 amplifier IMD 3

DAC driver output — intermodulations somewhere at the noise floor 🙂 : 50W 37dbc = 43db PEP: 80W 31dbc = 37db PEP:

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02.09.202426.11.2024 enthru hamradio 7z020, hf, measurements, qmtech, sdr

QMTech 7z020 + DAC904E video (RU)

https://github.com/enthru/redQmtech_notes

08.08.202408.08.2024 enthru hamradio measurements, wolf, wolf7

Different inductors in BPF

Replaced inductors in BPF — 2 handmade and other non-smd inductors from aliexpress. I forgot to make a photo of the result

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12.07.202412.07.2024 enthru hamradio amplifiers, hf, measurements, sdr, wolf, wolf7

Wolf 7″ first HF transmission

Video in russian language

23.05.202423.05.2024 enthru electronics measurements

Probes difference

Stock Siglent sds1202x-e probe: Agilent 10073C: Agilent 10073C: Stock Siglent sds1202x-e probe:

19.05.2024 enthru hamradio measurements, radio, vhf

MD390 10W version measurements 

29.04.202429.04.2024 enthru electronics gadgets, measurements

How Atten 862d holds the temperature

This test is not precise, as I’m holding thermocouple and fan in hands. Just rough measurement to check how it is.

Пагинация записей

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