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U7001BG
Preliminary Information
TELEFUNKEN Semiconductors
Rev. A3, 05-Jul-96
1 (11)
CT2 Front End IC
Description
U7001BG is a monolithic GaAs transmit/ receive front
end with power amplifier, low noise amplifier and
antenna switch. It is specially designed for operation in
CT2 band and suitable for a frequency range of 839 MHz
to 952 MHz with external matching.
Electrostatic sensitive device.
Observe precautions for handling.
Features
D Low supply voltage 3.6 V typical (min. 2.7 V)
D High power added efficiency (typ. 40%)
D Low power consumption in receive mode
D Power down control pin for low noise amplifier
D Gain control of power amplifier
D Low noise amplifier
D Optional high output power 50 mW @ 5 V supply
voltage
D SSO20 plastic package
Benefits
D Extended talk time due to low power consumption and
high PAE
D Few external components and very small package
save space
Block Diagram
PA
LNA
Switch
PA In
LNA Ctrl
LNA Out
VDD(PA)
PA Ctrl
PA Out
SW TX
LNA In
SW RX
GND
SW Ant
8
3
6
7
4
1
5,9,10,11,13,15,19
20
18
17
16
LNA /SW VDD
12
14
SW Ctrl
2
94 8824
Figure 1. Block diagram
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