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AF122 Datasheet, National Semiconductor

AF122 filters equivalent, dtmf bandpass filters.

AF122 Avg. rating / M : 1.0 rating-11

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AF122 Datasheet

Features and benefits


* Compatible with Rockwell CRC8030 and Mostek MK5102
* Gain o±0.5 dB
* Ripple 2 dB peak to peak
* Input Impedance 175 kn min
* Power Supply .

Description

The AF121 and AF122 are 6th order elliptic bandpass filters designed for use with digital DTMF detectors. These filters are compatible with tone detector circuits such as the Rockwell CRC8030 and the Mostek MK5102 DTMF digital receivers. The filters .

Image gallery

AF122 Page 1 AF122 Page 2 AF122 Page 3

TAGS

AF122
DTMF
Bandpass
Filters
AF120
AF1202
AF1202A
National Semiconductor

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