Features: <br /> VLN=3.3…4.1 V (IL=15 mA)<br /> VLN=11.0… 15.0 V (IL=100 mA)<br /> 7 Capacitors & Resistors<br /> Low Voltage Operating <br /> DTMF signal input with confidence tone<br /> Mute input for DTMF dialing<br /> Line loss compensation (line current dependent) for microphone and earpiece amplifiers<br /> Gain control curve adaptable to exchange supply<br /> DC line voltage adjustment facilit<br />
Features: <br /> VLN=3.3…4.1 V (IL=15 mA)<br /> VLN=11.0… 15.0 V (IL=100 mA)<br /> 7 Capacitors & Resistors<br /> Low Voltage Operating <br /> DTMF signal input with confidence tone<br /> Mute input for DTMF dialing<br /> Line loss compensation (line current dependent) for microphone and earpiece amplifiers<br /> Gain control curve adaptable to exchange supply<br /> DC line voltage adjustment facilit<br />