Data
sheet
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Thinking RF solutions
Transmit/Receive
Gain Blocks and
Switches For 2.5GHz
WLAN Applications
The P35-4750-1 Gallium Arsenide Monolithic Integrated
Circuit (GaAs MMIC) contains a two stage receive amplifier
and a two stage transmit amplifier between Tx/Rx switches.
Features
Low receive current consumption
Integrated RF routing switch
Requires no external matching,
RF coupling or biasing components
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Thinking RF solutions
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Receive Transmit
Receive Transmit
Gain (dB)
21
Gain (dB)
22
SSB noise figure (dB)
3.7
P1dB (dBm) *
19
Current consumption (mA)
Current consumption (mA)
+5V supply (VDD)
11
+5V supply (VDD)
135
-5V supply (Vgg)
<0.2
-5V supply (Vgg)
<0.5
Input return loss (dB)
20
Input return loss (dB)
17
Output return loss (dB)
18
Output return loss (dB)
17
*Output power at which gain compresses by 1dB
Typical Chip Performance @ 2.4GHz (25 C)
Functional Block Diagram
Typical Performance P35-4750-1
P35-4750-1
Rx LNA Losses
Tx PA Gain
LNA Gain
Tx PA Gain
Tx PA Return Loss
LNA Return
Package Outline
Switching Truth Table
Ordering Information
P35-4750-1 SOIC Package
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463/SM/00081/000 Issue 2/2
Bookham Technology 2003 Bookham is a registered trademark of Bookham Technology plc
MMICS
Bookham Technology plc
Caswell
Towcester
Northamptonshire
NN12 8EQ
UK
Tel: +44 (0) 1327 356 789
Fax: +44 (0) 1327 356 698
rfsales@bookham.com
Important Notice
Bookham Technology has a policy of
continuous improvement. As a result
certain parameters detailed on this flyer
may be subject to change without notice.
If you are interested in a particular product
please request the product specification
sheet, available from any RF sales
representative.
P35-4750-1
Pin Function
Pin Function
1 GND
8 Tx
control
2 GND
9 GND
3
Vdd Rx
10
Vdd Tx Amp
4 GND
Amp 11
GND
5 Rx
control 12
Vgg
6 GND
13
GND
7
LNA in Pa out
14
LNA out PA/in
Receive Control Transmit Control
Input
Output
Function
0V
-5V
Pin 7
Pin 14
Receive
-5V
0V
Pin 14
Pin 7
Transmit
-5V -5V N/A
N/A
Standby
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