am55-0003 ETC-unknow, am55-0003 Datasheet - Page 2

• Manufacturer Part Number: am55-0003
• Description: 250 Mw Power Amplifier With T/r And Diversity Switches 2.4 - 2.5 Ghz
• Manufacturer: ETC-unknow

250 mW Power Amplifier with T/R and Diversity Switches
Specifications Subject to Change Without Notice
M/A-COM Inc.
Pin Configuration
Pin No.
10
11
12
14
15
16
17
18
19
20
21
23
24
25
26
27
28
13
22
1
2
3
4
5
6
7
9
8
ANT COMMON
Pin Name
ANT CTRL
T/R CTRL
V
RX OUT
RF OUT
V
ANT 1
ANT 2
DD
RF IN
V
V
V
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
DD
V
V
V
DD1
DD2
DD3
G2
G1
G3
ANT
TR
Description
Antenna selection: Select ANT 1
(0V) or ANT 2 (+5 V)
Common Port of Diversity Switch
DC and RF Ground
Output #1 of Diversity Switch
DC and RF Ground
Output #2 of Diversity Switch
DC and RF Ground
Output of T/R Switch for receive mode
Negative bias control for the second
PA stage, adjusted to set V
quiescent bias current, which is
typically 70 mA. Typical voltage
at pin = -0.55 V
Input impedance: > 1 M
DC and RF Ground
Positive bias for the first stage of the
PA, 2.7 to 6 volts
DC and RF Ground
DC and RF Ground
Negative bias control for the first PA
stage, adjusted to set V
bias current, which is typically 20 mA.
Typical voltage at pin = -0.75 V
Input impedance: > 1 M
RF Input of the Power Amplifier
DC and RF Ground
Negative bias control for the third PA
stage, adjusted to set V
bias current, which is typically 90 mA.
Typical voltage at pin = -0.95 V
Input impedance: > 1 M
Positive bias for the second stage of
the PA, 2.7 to 6 volts
DC and RF Ground
DC and RF Ground
DC and RF Ground
DC and RF Ground
Positive bias for the third stage of the
PA, 2.7 to 6 volts
DC and RF Ground
RF output of T/R switch and power
amplifier for transmit mode
0 V for transmit mode, +5 V for
receive mode
V
V
DD
DD
for T/R switch
for Diversity Switch
1011 Pawtucket Boulevard, Lowell, MA 01853 USA
DD1
DD3
DD2
quiescent
quiescent
2
Truth Table
X - Don’t Care
“0” = 0 V to 0.2 V @ 100 µA
“1” = V
Functional Diagram and Pin Configuration
Absolute Maximum Ratings
1. Exceeding these limits may cause permanent damage.
2. Ambient temperature (T
3. |V
Max. Input Power
Operating Voltages
Operating Temperature
Storage Temperature
ANT COMMON
DD
CTRL
ANT
ANT CTRL
DD
X
X
0
1
| + |V
Parameter
RX OUT
Control Line
ANT 1
ANT 2
to V
V
GND
GND
GND
GND
GND
GND
V
V
DD1
GG
G2
G1
DD
| not to exceed 12 volts.
- 0.2 V @ 200 µA
14
1
2
CTRL
T/R
2,3
1
0
X
X
A
) = +25°C
Absolute Maximum
Telephone: [phone]
+23 dBm
V
V
-40°C to +85°C
-65°C to +150°C
DD
GG
1
Operating
= 8 V
Transmit
= -8 V
Receive
ANT 1
ANT 2
Mode
15
28
AM55-0003
V
V
T/R CTRL
RF OUT
GND
V
GND
GND
GND
GND
V
V
GND
RF IN
DD
DD
DD3
DD2
G3
ANT
TR
V 2.0