P35-4750-1
Marconi Optical Components
Transmit/Receive Gain Blocks
and Switches for 2.5GHz
WLAN Applications
Features
路 Low receive current consumption
路 Integrated RF routing switch
路 Requires no external matching, RF coupling or biasing components
Description
This Gallium Arsenide Monolithic Integrated Circuit (GaAs MMIC) contains a two stage receive amplifier and a two stage
transmit amplifier between Tx/Rx switches.
Typical Chip Performance @ 2.4GHz (25擄C)
Receive
Gain (dB)
SSB noise figure (dB)
Current consumption (mA)
+5V supply (VDD)
-5V supply (Vgg)
Input return loss (dB)
Output return loss (dB)
21
3.7
11
<0.2
20
18
Transmit
Gain (dB)
P-1dB*(dBm)
Current consumption (mA)
+5V supply (VDD)
-5V supply (Vgg)
Input return loss (dB)
Output return loss (dB)
22
19
135
<0.5
17
17
*Output power at which gain compresses by 1dB
Functional Block Diagram