Hello Yuki,
Thanks. Yes, there must be no QRM from the regulator and they are all
switch mode devices. Anyway, i would have built it by my selfe anyway
:-) A well conducting cheap MOSFET (such as IRF1404),
a reference voltage IC with low power consumption (such as LM2936)
and an OP amp as P-I regulator with a BIG time constant, this worked
well in the past. I just need a fixed limitation to 13.8 V for the lead
acid battery. Some of them worked well for more than 10 years on my
previous solar system.
I will continue reporting...
73, GL, Stefan
Am 13.08.2014 01:57, schrieb 間 幸久/JA5FP:
Hi Stefan,
(corrected)
That is excellent idea!
I hope your server may take high sensitive echoes.
I and Mitsu/JA1CNM have established remote RX
2 or 3km far from each own house. There is no
power lines or housings within 100m range. And we independly put
solar-panel and floating battery.
Our VHF link is F3E, and audio passband is limitted under 3kHz.
Therefore, RX is made so that convert frequency 136 -139kHz to
suitable audio spectrum.
General solar-panel voltage regulator make huge NOISE on receiving
frequency. We have to built serial regulator with big power
dissipation.
Good luck
de Yuki JA5FP
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