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PBL 38573 is a monolithic integrated speech transmission circuit for use in electronic telephones. It is intended specially for telephone lines with constant current feed. Maximum line current less than 130 mA in DIL package (100 mA in SO package). It is designed to accomodate either a low impedance dynamic or an electret microphone. A signal summing point .
• Minimum number of external components for function,with one filtered DC-supply. 6 capacitors and 10 resistors. Easy adaption to various market needs. Mute control input for operation with DTMF - generator. Transmitter and receiver gain regulation for automatic loop loss compensation. Disconnectable. Extended current and voltage range 5 - 130mA (DIP), down to 2 V. Differential microphone input for good balance to ground. Balanced receiver output stage. Stabilized DC - supply for low current CMOS diallers and electret microphones. Short start up time. Excellent RFI performance. In 14- pin DIP.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | PBL38570 |
Ericsson |
Universal Speech Circuit |
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| 2 | PBL38571 |
Ericsson |
High current Speech and Line interface Circuit |
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| 3 | PBL3852 |
Ericsson |
Universal Transmission Circuit |
|
| 4 | PBL3853 |
Ericsson |
Universal Speech Circuit |
|
| 5 | PBL38541 |
Ericsson |
Universal Speech Circuit |
|
| 6 | PBL38582 |
Ericsson |
Telephone Line interface circuit for DECT/ DAM/ CT Unisolated or Isolated |
|
| 7 | PBL38085 |
Ericsson |
Integrated circuit for transformerless driving of battery powered EL (electroluminicent) lamps |
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| 8 | PBL38610-2 |
Ericsson |
Subscriber Line Interface Circuit |
|
| 9 | PBL38611-2 |
Ericsson |
Subscriber Line Interface Circuit |
|
| 10 | PBL38614-1 |
Ericsson |
Subscriber Line Interface Circuit |
|
| 11 | PBL38615-1 |
Ericsson |
Subscriber Line Interface Circuit |
|
| 12 | PBL38620-2 |
Ericsson |
Subscriber Line Interface Circuit |
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