UPC8131TA-E3 NEC [NEC], UPC8131TA-E3 Datasheet - Page 8
UPC8131TA-E3
Manufacturer Part Number
UPC8131TA-E3
Description
-15 dBm INPUT, VARIABLE GAIN AMPLIFIER SILICON MMIC FOR TRANSMITTER AGC OF DIGITAL CELLULAR TELEPHONE
Manufacturer
NEC [NEC]
Datasheet
1.UPC8131TA-E3.pdf
(40 pages)
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APPLICATION EXPLANATION
component with
minimum gain and external suitable constant.
8
PC8119T
PC8120T
PC8130TA
PC8131TA
The PC8130TA and PC8131TA has difference in internal circuit in order to reduce the number of external
High frequency negative feed back
between OUT, V
optimized by external choke
inductance.
Isolation of V
optimized by external choke
inductance.
PC8119T and
Determing Minimum Gain
CC
to OUT pin
CC
and V
PC8120T. For this reason, they have difference in mechanism for determing
AGC
pin
Necessary
Unnecessary
External Feedback Capacitor of
V
CC
to V
AGC
Pin
PC8130TA, PC8131TA
The impedance of inductance
should be very low at high
frequency region.
The impedance of inductance
should be very high at high
frequency region.
Optimize Choke Inductance of
Type Circuit on V
CC
Line
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