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TQ9142B Datasheet

  • TQ9142B

  • RF Amplifier

  • 10頁

  • ETC

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WIRELESS COMMUNICATIONS DIVISION
TQ9142B
RF
OUT
GND
V
G3
GND
GND
RF
IN
GND
V
G1
1
16
RF OUT
GND
V
D2
GND
GND
V
G2
GND
V
D1
DATA SHEET
2
15
3
14
4
13
5
6
12
High-Efficiency 3-Stage
AMPS Power Amplifier
IC
11
7
10
8
9
Features
60% drain efficiency
+31.0 dBm power output @4.8V
4.8 V to 6.0 V battery operation
S0-16 package
50-ohm matched input
TQ9142B
Product Description
The TQ9142B is a highly efficient 3-stage power amplifier developed for handsets
and portable terminals operating in the AMPS cellular band (824 to 849 MHz). The
part is designed to require minimal external circuitry for matching or bias, simplifying
design and keeping board space and cost to a minimum. Access to each stage鈥檚
gate and drain voltages is provided for maximum flexibility in selection of output
power control method, making output power vs. efficiency tradeoffs, or for
implementing alternative biasing schemes. The amplifier is packaged in a SOIC-16
plastic package with specially modified central thermal tabs. These tabs provide
reliable operation for the 1.4 Watt power output.
Electrical
Specifications
1
Min
+30
55
Typ
+31
60
10
Max
Units
dBm
%
dB
Applications
AMPS Mobile Phones
CDPD Terminals/Modems
Parameter
Output Power
Efficiency
Input Return Loss
Note 2: Min/max values 100% production tested.
Note 1: Test Conditions: V
DD
= 4.8 V, V
GG
= -3.5 V,
Freq. = 836 MHz, P
IN
= 0 dBm, T
C
= 25
擄
C
For additional information and latest specifications, see our website:
www.triquint.com
1

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