Datasheet Details
| Part number | AF102 |
|---|---|
| Manufacturer | National Semiconductor |
| File Size | 49.04 KB |
| Description | Dial Tone Reject Filter |
| Datasheet |
 AF102 Datasheet
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| Part number | AF102 |
|---|---|
| Manufacturer | National Semiconductor |
| File Size | 49.04 KB |
| Description | Dial Tone Reject Filter |
| Datasheet |
AF102 Datasheet
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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 - only input, output and power supply connections.