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L6726-D18-T Folha de dados(PDF) 11 Page - Unisonic Technologies |
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L6726-D18-T Folha de dados(HTML) 11 Page - Unisonic Technologies |
11 / 13 page L6726 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 11 of 13 www.unisonic.com.tw QW-R108-015,B APPLICATION INFORMATION(Cont.) DESIGN PROCEDURE: 1. Circuit impedance to the line. 2. DC-characteristic 3. Gain regulation. 4. Transmitter gain and frequency response. 5. Receiver gain and frequency response. 6. Side-tone. 7. Components to suppress radio interference, specially the wires up to the handset. Others: The circuit can be placed either in the telephone or in the handset. Cut off the transmitter can be done at F1 without interference of other functions of the circuit. When using the extended low current and low voltage range (5mA, 2V), two resistors have to be connected from the microphone inputs to ground as shown in figure 13. 11 3 RA CA 11 3 RA CA RB CB Figure 7. Examples of network "2" RA 2 15 R10 R11 +Line RB R6 Figure 8. Examples of network "4" RA 11 3 11 3 CA RA CA CA RB RB CB RB RA CA 11 3 11 3 RB CB RA CA RA RB 11 3 11 3 CA CA RA CB RB CB 2 15 RA RB R11 CB RC R6 CA +Line R10 2 RA R11 15 R10 +Line RB RC R6 CA |
Nº de peça semelhante - L6726-D18-T |
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Descrição semelhante - L6726-D18-T |
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