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Extremely / Super Low Frequency Square Wave Oscillator Module
Frequency Range: 2048 ~ 1/2048 Hz
Total 22 output ports, at the same time can output 22 frequencies: 2048, 1024, 512, 256, 128, 64, 32, 8, 4, 2, 1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256, 1/512, 1/1024, 1/2048 Hz.
Operating Voltage: DC 3 ~ 15V
Operating Current (no load): Output Duty Cycle: 50% ±5%
Operating Temperature Range: 0 to 70°C.
Frequency Accuracy: +/- 20 ppm
Jim
2025-07-07 20:00:18
I was skeptical about this board at first, but after I received it and checked it out I was quite pleased. Reasonably accurate and a quality looking board. I can remember when we could make products like this in the US but China is now so much further ahead of us in being able to deliver good products and a resonable price. Don't get me wrong I have received garbage form China as well.
Tensor-Photon
2025-05-21 16:20:33
Works as described, and is an excellent tool for any digital bench.. Accuracy and stability are affected by temperature however this can be remedied by a thermally controlled enclosure..
Ted Slack
2025-04-21 10:27:12
Super Low Frequency Square Wave Oscillator with 22 simultaneous outputs, from 1/(2k) Hz to 2kHzThe circuit I received is a newer version (1.4), having a red LED connected to the 1Hz output, indicating power on.A quartz crystal clock is divided by CD4060 and CD4040 ICs.The chips are rated for 3 to 18 volts input. 2.5 volts seems OK. :)
MchlTbbs0121
2025-04-17 15:42:49
I didn't like the fact that there was no data sheet with it!!
RichardTechMan
2025-02-10 16:59:18
This board is really great at providing solid low frequency square wave signals needed for various projects. Good quality PC board. And they included a couple of headers too! Thanks!
John P.
2025-01-09 14:46:05
Low cost, Works fine.
Frank P
2024-12-09 18:17:52
Works very well
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