ISO122 124 filter circuit diagram


Posted on Mar 28, 2007

As shown by ISO122/124 -type filter circuit shown in FIG. ISO122/124 modem internal oscillator frequency is set to 500kHz, in order to suppress from the DC/DC converter is any


ISO122 124 filter circuit diagram
Click here to download the full size of the above Circuit.

straight (beat frequency) noise power at the end of each use filter inductor and capacitors for filtering. After filtering ISO122/124 output of 500kHz ripple is suppressed to 20mV, then cheap OPA602 (or OPA237) constitute two-pole low-pass filter further filtering, two-pole low-pass filter cut-off point of 100kHz.




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