* Low cost additional circuit enables use of loudhearing function
* Full duplex “handsfree” operation via handset microphone and loudspeaker (at distances <2m bet.

.....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 AMPLI.

SAN2202

SAN2202b

SAN3010

SAN3020

SAN3021

SAN3022

SA-1110

SA-AK200

SA-AK22

SA-AK240

SA-AK300

SA-AK340

SA-AK490