Coming Attractions
140 mW Power Amplifier withT/R Switch
2.4 - 2.5 GHz
AM55-0007
V 2.00
Features
SSOP-24
●
Highly Integrated PA/Attenuator and T/R Switch
●
Low Current Consumption: 120 mA Typ.
●
Switch and Attenuator Controls CMOS Compatible
●
High Power (140 mW) and Low Power (16 mW)
Transmit Power Control
●
+5 V/-5 V Fixed Supply Voltages
Description
M/A-COM’s AM55-0007 is a GaAs power amplifier with an
integrated transmit/receive switch in a low cost SSOP 24
plastic package. The AM55-0007 employs active bias cir-
cuits that eliminate the need for external bias adjustment. A
‘Sleep Mode’ is incorporated which turns off current draw
from the positive supply of the PA during receive mode.
The AM55-0007 provides a 10-dB step attenuator for use as
a transmit power controller.
The AM55-0007 is designed for low power consumption
and is ideally suited for FSK systems in the 2.4 - 2.5 GHz
bands (North American ISM, Japanese RCR.32 and
European ETSI). Typical applications include WLAN and
wireless portable data collection.
Dimensions are in inches over millimeters.
Ordering Information
This amplifier is also available with diversity switching
(AM55-0001). Either power amplifier can be combined with
a transceiver IC (MD58-0001) to form a complete RF front
end.
Part Number
Description
AM55-0007
SSOP 24-Lead Plastic Package
Forward Tape & Reel*
Reverse Tape & Reel*
Designer’s Kit
AM55-0007TR
AM55-0007RTR
AM55-0007SMB
M/A-COM's AM55-0007 is fabricated using a mature
0.5-micron gate length GaAs process. The process features
full passivation for increased performance and reliability.
If specific reel size is required, consult factory for part
number assignment.
*
Typical Electrical Specifications
Test Conditions: Frequency: 2.45 GHz, V
= 5 V ±5%, V
GG
= - 5 V ±5%,TA= +25°C
DD
Parameter
Power Amplifier
Test Conditions
Units
Min.
Typ.
Max.
Linear Gain
High Power Mode
Low Power Mode
Both Modes
dB
dB
23
12
26.5
16
VSWR In
1.5:1
21.5
12
Output Power
P
P
= -3 dBm
= -3 dBm
High Power Mode
Low Power Mode
dBm
dBm
dBc
dBc
19
8
IN
Second Harmonic
Third Harmonic
-25
-17
High Power Mode
IN
I
(V
+ V
+ V
PA)
DD
mA
120
200
DD DD1
DD2
T/R Switch
Insertion Loss
Isolation
dB
dB
1.2
15
10
VSWR In/Out
1.5:1