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SL1062AN

Low Voltage Transmission Circuit with Dialler Interface

System Logic Semiconductor 

SL1062A

Voltage gain is defined as GV = 20 log

VO

VI

For measuring gain from MIC+ and MIC- the MUTE input should be HIGH.

For measuring the DTMF input, the MUTE input should be LOW or open-circuit.

Inputs not being tested should be open-circuit.

Figure 3. Test circuit for defining SL1062A voltage gain of MIC+, MIC- and DTMF inputs.

Figure 4. Equivalent circuit of SL1062A anti-sidetone bridge

SLS

System Logic

Semiconductor

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