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15.02.2025 enthru electronics AD9910, gadgets, measurements

AD9910 — some work

30.01.2025 enthru electronics AD9910, gadgets, measurements

AD9910 DDS

22.01.2025 enthru electronics ad9851, gadgets, measurements

AD9851 part 3 — video (RU)

https://github.com/enthru/SignalGenerator/tree/AD9851

18.01.202518.01.2025 enthru electronics ad9851, gadgets, hf, measurements

AD9851 + BFG591 LNA

Frequency response: SFDR: https://github.com/enthru/Arduino-AD9851-DDS-Direct-Digital-synthesizer-Signal-Generator

15.01.202509.03.2025 enthru electronics gadgets, measurements

Lab (or pseudolab for DPS5015) PSUs 3.3v power-up

Small comparison.

15.12.2024 enthru hamradio amplifiers, hf, measurements, mrfx1k80

1.5KW HF load SWR

07.12.202409.03.2025 enthru hamradio amplifiers, hf, measurements, mrfx1k80

Big HF load

It’s based on a copper plate, big old whipped aluminium radiator and two 100Ohm resistors, 800watt each.

02.11.2024 enthru electronics gadgets, measurements

Fully assembled power load

Big battery capacity:

02.11.202404.11.2024 enthru electronics batteries, lifepo4, measurements

Building 6Ah LiFePO4 battery

Received prebuilt battery and few elements: Big one is pretty heavy and overqualified for QRP 🙂 18Ah is enough to drive 100watt

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30.10.2024 enthru electronics gadgets, measurements, video

Simple tests of electronic load and Xiaomi powerbank

Video (RU)

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