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DATA SHEET
µ
PC8130TA,
µ
PC8131TA
–15 dBm INPUT, VARIABLE GAIN AMPLIFIER SILICON MMIC
FOR TRANSMITTER AGC OF DIGITAL CELLULAR TELEPHONE
BIPOLAR ANALOG INTEGRATED CIRCUITS
DESCRIPTION
The
µ
PC8130TA and
µ
PC8131TA are silicon monolithic integrated circuits designed as variable gain amplifier.
Due to 800 MHz to 1.5 GHz operation, these ICs are suitable for RF transmitter AGC stage of digital cellular
telephone. These ICs are lower distortion than conventional
µ
PC8119T and
µ
PC8120T so that –15 dBm input level
can be applied. These ICs also available in two types of gain control so you can choose either IC in accordance with
your system design. 3 V supply voltage and minimold package contribute to make your system lower voltage,
decreased space and fewer components.
The
µ
PC8130TA and
µ
PC8131TA are manufactured using NEC’s 20 GHz f
T
NESAT™III silicon bipolar process.
This process uses silicon nitride passivation film and gold electrodes. These materials can protect chip surface from
external pollution and prevent corrosion/migration. Thus, this IC has excellent performance, uniformity and reliability.
FEATURES
APPLICATION
ORDERING INFORMATION
is
Part Number
co
• 800 MHz to 900 MHz or 1.5 GHz Digital cellular telephone (PDC800M, PDC1.5G and so on)
nt
in
ue
Package
6-pin minimold
C2R
Marking
C2Q
• Recommended operating frequency: f = 800 MHz to 1.5 GHz
• Low distortion
: P
adj
≤
–60 dBc MAX. @P
in
= –15 dBm,
∆
f =
±50
kHz, V
CC
= 3.0 V,
T
A
= +25 °C
• Supply voltage
: V
CC
= 2.7 to 3.3 V
• Low current consumption
: I
CC
= 11 mA TYP. @V
CC
= 3.0 V
• Gain control voltage
: V
AGC
= 0 to 2.4 V (recommended)
• Two types of gain control
:
µ
PC8130TA = V
AGC
up vs. Gain up (Reverse control)
µ
PC8131TA = V
AGC
up vs. Gain down (Forward control)
• AGC control can be constructed by external control circuit.
• High-density surface mounting
: 6 pin minimold package
d
µ
PC8130TA-E3
µ
PC8131TA-E3
D
Embossed tape 8 mm wide.
1, 2, 3 pins face to perforation side of the tape.
Qty 3 kp/reel.
Remark
To order evaluation samples, please contact your local NEC sales office.
(Part number for sample order:
µ
PC8130TA,
µ
PC8131TA)
Caution Electro-static sensitive devices.
The information in this document is subject to change without notice.
Document No. P11721EJ2V0DS00 (2nd edition)
Date Published October 1998 N CP(K)
Printed in Japan
The mark
shows major revised points.
Pr
od
uc
t
Supplying Form
Gain Control Type
Reverse control
Forward control
©
1997
µ
PC8130TA,
µ
PC8131TA
PIN EXPLANATION
Applied
Voltage
V
–
Pin
Voltage
Note
V
1.4
Pin
No.
1
Pin
Name
IN
Function and Applications
Internal Equivalent Circuit
RF input pin. This pin should be
coupled with capacitor (eg 1000 pF)
for DC cut. Input return loss can be
improved with external impedance
matching circuit.
Ground pin. This pin should be
connected to system ground with
minimum inductance. Ground patt-
ern on the board should be formed
as wide as possible. Ground pins
must be connected together with
wide ground pattern to decrease
impedance difference.
Control
circuit
5
2
3
GND
0
Pr
od
u
6
4
OUT
voltage
as same
as V
CC
through
external
inductor
2.7 to 3.3
−
RF output pin. This pin is designed
as open collector of high impedance.
This pin must be externally equipped
with matching circuits.
5
V
CC
–
6
co
nt
in
ue
Supply voltage pin.
This pin must be equipped with
bypass capacitor (eg 1000 pF)
to minimize its RF impedance.
5
V
AGC
0 to 3.3
−
Gain control pin. The relation
between product number and control
performance is shown below;
Part No.
V
AGC
up vs. Gain
up
down
d
µ
PC8130TA
µ
PC8131TA
Note
Pin voltage is measured at V
CC
= 3.0 V.
D
is
ct
1
Bias
circuit
−
4
2
3
GND
Control circuit
2
3
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