HT3726
2022/3/14 19:08:35
詳細介紹
VLN=3.3...4.1 V (IL=15 mA)
VLN=11.0... 15.0 V (IL=100mA)
7 Capacitors & Resistors
Low Voltage Operating
DTMF signal input with confidence tone
Mute input for DTMF dialing
Line loss compensation (line current dependent) for microphone and earpiece amplifiers
Gain control curve adaptable to exchange supply DC line voltage adjustment facility