Tel. Filter

--= Greetings, *All !* =-- I want to share a telephone filter circuit for Hayes modems (for Vicoms, almost no results). It would be interesting to hear your opinion on his work. Scheme: 68* + <-----------+-{RRRRRR}-+------+-----> | | | | 0.068-0.1| | +----||----+ | 0.01x250v | | | line | | === to modem | S-D | | +----{>|---+ | // | | - <----------------------------+-----> The resistor adjusts the brightness of the LED, as well as improves communication, in within 50-200 ohms (depending on the type of modem and line). The LED can be excluded - It is here to indicate that the modem is connected to the line (then observe the polarity!). * With the best... Sergey. * [ZXNet 500:812/5.25, FidoNet 2:5030/1165.30] > You can unobtrusively impose anything... < < Greetings from St. Petersburg!