AF102 filter equivalent, dial tone reject filter.
* Fully tuned
* High input impedance
* Low output impedance
* Wide power supply range
±5V to ±18V
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131.
The AF102 is a fourth order elliptic highpass filter designed to reject frequencies below 650Hz. This filter rejects the 350Hz and 440Hz dial tone frequencies present on a telephone line. The unit is fully tuned and requires no external components - .
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