PBL3726-18A circuit equivalent, universal speech circuit.
* Minimum number of inexpensive external components, 7 capacitors and 11 resistors.
* Mute function for operation with DTMF-generator.
* Transmit and receive .
information. 3. External resistor in the test set up.
3
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PBL 3726/18A
+L 1 TO 2 TI 3 +C 4.
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