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UPC8130TA Datasheet(PDF) 3 Page - NEC

Part No. UPC8130TA
Description  VARIABLE GAIN AMPLIFIER SILICON MMIC FOR TRANSMITTER AGC OF DIGITAL CELLULAR TELEPHONE
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
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UPC8130TA Datasheet(HTML) 3 Page - NEC

 
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3
µµµµPC8119T, µµµµPC8120T
PIN EXPLANATION
Pin
No.
Pin Name
Applied
Voltage
V
Pin
Voltage
V
Note
Function and Applications
Internal Equivalent Circuit
1
IN
1.2
RF input pin. This pin should be
coupled with capacitor (eg 1000
pF) for DC cut. This pin can be
input from 50
Ω impedance signal
source without matching circuit.
2
3
GND
0
Ground pin. This pin should be
connected to system ground with
minimum inductance. Ground
pattern on the board should be
formed as wide as possible.
4
OUT
Voltage
as same
as VCC
through
external
inductor
RF output pin. This pin is
designed as open collector of
high impedance.
This pin must be externally
equipped with matching circuits.
1
2
3
5
4
Bias
circuit
Control
circuit
5VCC
2.7 to 3.3
Supply voltage pin. This pin must
be externally equipped with low
pass filter (eg
π type) in order to
suppress leakage from input pin.
This pin also must be equipped
with bypass capacitor (eg 1000
pF) to minimize ground
impedance.
Gain control pin. The relation
between product number and
control performance is shown
below;
Part No.
VAGC up vs. Gain
µPC8119T
down
µPC8120T
up
6VAGC
0 to 3.3
Control
circuit
2
3
5
6
Note Pin voltage is measured at VCC = 3.0 V.


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