Preliminary Information
MH88620IN
Z
10kΩ
MH88620IN
Z
TX 25
GTX1 28
RTX
GTX0 27
10kΩ
Z
Z
10kΩ
RX 26
GRX1 30
GRX0
29
10kΩ
RRX
Transmit Gain:
(Tip-Ring to Tx)
AV= -20log [ 0.5+3kΩ ]
RTX
Example
RTX=38kΩ; AV= +4dBV
Receive Gain:
(RX to Tip-Ring)
AV= -20log [ 0.5 + 5kΩ ]
RRX
Example:
RRX= 4.6kΩ; AV= -4dBV
Figure 6 - Gain Programming with External Components
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