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AM55-0004 Datasheet(PDF) 2 Page - Tyco Electronics

Part # AM55-0004
Description  250 mW Linear Power Amplifier and T/R Switch 1.8 - 2.0 GHz
PDF  8 Pages
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Manufacturer  MACOM [Tyco Electronics]
Direct Link  http://www.macom.com
Logo MACOM - Tyco Electronics

AM55-0004 Datasheet(HTML) 2 Page - Tyco Electronics

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Pin No.
Pin Name
Description
1
GND
DC and RF Ground
2
VSW
Complimentary T/R Switch Control,
-4 V Tx mode/0 V Rx mode
3
GND
DC and RF Ground
4
Tx IN
Transmit side of T/R switch
5
GND
DC and RF Ground
6
GND
DC and RF Ground
7
ANT IN/OUT
Common port of T/R switch which
is connected to the antenna
8
GND
DC and RF Ground
9
Rx OUT
Receive side of T/R switch
10
GND
DC and RF Ground
11
GND
DC and RF Ground
12
V
DD1
Positive bias for the first stage of
PA, +2.7 to +6.0 volts
13
SAVE Tx
Sleep mode control of first stage of
PA ONLY
0 V — first PA stage on
-4 V — first PA stage off
14
GND
DC and RF Ground
15
GND
DC and RF Ground
16
PA IN
RF input of the Power Amplifier
17
GND
DC and RF Ground
18
V
G1
Negative bias control for the first PA
stage, voltage divider is on the MMIC,
adjusted to set VDD1 quiescent bias
current, which is typically 30 mA.
Input impedance: 10 k
Ω
19
GND
DC and RF Ground
20
V
G2
Negative bias control for the second
PA stage, adjusted to set VDD2
quiescent bias current, which is
typically 65 mA.
Input impedance: > 1M
Ω
21
GND
Second Stage DC and RF Ground
22
GND
Second Stage DC and RF Ground
23
GND
Second Stage DC and RF Ground
24
GND
Second Stage DC and RF Ground
25
PA OUT
RF output of the Power Amplifier
26
V
DD2
Positive bias for the second stage of
the PA, +2.7 to +6.0 volts
27
VSW
T/R Switch Control, 0 V Tx mode/-4 V
Rx mode
28
GND
DC and RF Ground
250 mW Linear Power Amplifier and T/R Switch
AM55-0004
Specifications Subject to Change Without Notice
V 2.00
M/A-COM Inc.
s
1011 Pawtucket Boulevard, Lowell, MA 01853 USA
s
Telephone: 800-366-2266
2
Pin Configuration
Functional Diagram and Pin Configuration
Absolute Maximum Ratings
1
Parameter
Absolute Maximum
Max. Input Power2
+23 dBm
Operating Voltages2
V
DD = 7 V
V
GG = -5 V
V
DD - VGG = 8 V
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
1. Exceeding these limits may cause permanent damage.
2. Ambient temperature (T
A) = +25°C
Truth Table
Operating Mode
VSW
VSW
SAVE Tx
PA Tx
X
X
0 V
PA Sleep
X
X
-4.0 Volts
T/R Switch Tx
0 Volts
-4.0 Volts
X
T/R Switch Rx
-4.0 Volts
0 Volts
X
X - Don’t Care
1
28
14
15
GND
VSW
GND
GND
VSW
Tx IN
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
ANT IN/OUT
Rx OUT
VDD1
VDD1
VG1
VG2
SAVE Tx
PA IN
PA OUT
V
DD2
V
G2
V
G1



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