SAN2202
TABLE OF CONTENTS
1 SCOPE.............................................................................................................................................................................................................1
2 KEY FEATURES ..............................................................................................................................................................................................1
3 OTHER APPLICABLE DOCUMENTS AND PAPERS ......................................................................................................................................3
4 REVISION STATUS .........................................................................................................................................................................................3
5 GENERAL DESCRIPTION...............................................................................................................................................................................3
5.1 AMPLIFIER SUPPLY: COMPARISON OF SAN2202A AND SAN2202B: ..............................................................................................................3
6 BLOCK DIAGRAM ...........................................................................................................................................................................................4
6.1 HOW TO AVOID HOWLING .............................................................................................................................................................................4
7 CIRCUIT DESCRIPTION..................................................................................................................................................................................5
7.1 8Ω LOUDSPEAKER AMPLIFIER.......................................................................................................................................................................5
7.2 AMPLIFIER SUPPLY IN SHUNT TRANSISTOR PATH ............................................................................................................................................5
7.3 AMPLIFIER SUPPLY BY POWER EXTRACTION CIRCUIT SAN3020 ......................................................................................................................5
8 MEASUREMENT RESULTS & CURVES.........................................................................................................................................................6
8.1 FREQUENCY RESPONSE ..............................................................................................................................................................................6
8.2 MAXIMUM SENDING LEVEL ............................................................................................................................................................................6
8.3 MAXIMUM OUTPUT POWER ...........................................................................................................................................................................6
8.4 ON-RESISTANCE IN PULSE DIALING ...............................................................................................................................................................7
9 APPLICATION SCHEMATIC............................................................................................................................................................................8
10 LIABILITY AND COPYRIGHT STATEMENT..................................................................................................................................................9
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sa m e s
SAMES [ SAMES ]
