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PDF ALM-12124 Data sheet ( Hoja de datos )
| Número de pieza | ALM-12124 | |
| Descripción | High Power SPDT Switch | |
| Fabricantes | AVAGO | |
| Logotipo |  |
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ALM-12124
1.88 GHz – 2.025 GHz
50 Watt High Power SPDT Switch with LNA Module
Data Sheet
Description
Avago Technologies’ALM-12124 is a multi-chip integrated
module that comprise of a 50 Watt CW high power SPDT
switch, 1st stage low noise amplifier and 2nd stage high
gain driver amplifier through the use of Avago Techno-
logies’ proprietary 0.25 m GaAs Enhancement-mode
pHEMT process and low distortion silicon PIN diode
technologies.
The ALM-12124 is housed in a compact 8.0 x 8.0 x 1.2 mm3
molded-chips-on-board (MCOB) module package with 24
pin configuration pads, offering significant PCB space saving
as compare to conventional discrete design approach.
The device offers high power protection switch (Tx mode
operation) with very low insertion loss. During Rx mode
operation, the receiver chain provides a very low NF and
high gain that makes it an ideal choice for cellular infra-
structure in TD-SCDMA and TD-LTE applications.
Component Image
Package Size : 8.0 x 8.0 x 1.2 mm3
AVAGO
12124
WWYY
XXXX
Gnd
Gnd
Gnd
Gnd
Gnd
Rx Out
Gnd
Vbias Vc 1 Gnd Gnd Gnd Tx
Pin 1
Ant
Gnd
Gnd
Vc 2
Vg
Vdd1
TOP VIEW
LNA2 Gnd Gnd Gnd Gnd LNA1
_In _Out
BOTTOM VIEW
Note:
Package marking provides orientation and identification
“12124” = Device Part Number
“WWYY” = Work week and year of manufacture
“XXXX” = Last 4 digit of lot number
Notes:
1. Enhancement mode technology employs positive Vgs, thereby elimi-
nating the need of negative gate voltage associated with conven-
tional depletion mode devices.
Features
Very Low Noise Figure
High Power Switch design
50 dB isolation between LNA1_Out and LNA2_In
Small package size 8.0 x 8.0 x 1.2 mm3
GaAs E-pHEMT Technology [1]
Low Distortion Silicon PIN Diode Technology
MSL 2a and Lead-free
Specifications
Typical Performance at 1.90 GHz (Rx mode)
39.5 dB Gain
0.80 dB Noise Figure
36.4 dBm Output IP3
Typical Performance at 1.90 GHz (Tx mode)
0.27 dB insertion loss
40 dB Ant to LNA1 Isolation
Applications
High power switch LNA module for TD-SCDMA and
TD-LTE base station front-end RF application.
Block Diagram with Simplified Schematic
Vc1 Vbias Vdd2
External
50 ohm
termination
Tx
C2
C6
C10
C7
Ant C1
Vc2
PA Vg
R1
C9
Vdd1 C3
Switch bias
circuitry
C8
L1
C5
Rx Out
C4
LNA1_Out LNA2_In
Free Datasheet http://www.datasheet4u.com/
1 page  
ALM-12124 Rx mode Typical Over-Temperature Performance
-10 -10
-14
-18
-22
-26
1.8
1.9 2 2.1
Frequency (GHz)
Figure 1. Ant Input Return Loss vs Frequency vs Temperature
25° C
85° C
-40° C
2.2
-14
-18
-22
-26
-30
1.8
25° C
85° C
-40° C
1.9
2
Frequency (GHz)
2.1
Figure 2. LNA2 Output Return Loss vs Frequency vs Temperature
2.2
1.60
25° C
85° C
-40° C
1.20
0.80
0.40
1.8
1.9 2
Frequency (GHz)
Figure 3. NF vs Frequency vs Temperature
2.1
42
25° C
40
85° C
-40° C
38
36
34
32
1.8 1.9
2
Frequency (GHz)
Figure 5. Output IP3 vs Frequency vs Temperature
2.1
41
25° C
40
85° C
-40° C
39
38
37
36
2.2 1.8
1.9 2 2.1
Frequency (GHz)
Figure 4. Gain vs Frequency vs Temperature
2.2
2.2
5
Free Datasheet http://www.datasheet4u.com/
5 Page 
Device Orientation
REEL
USER
FEED
DIRECTION
COVER TAPE
Tape Dimensions
CARRIER
TAPE
USER FEED DIRECTION
AVAGO
12124
WWYY
XXXX
AVAGO
12124
WWYY
XXXX
TOP VIEW
AVAGO
12124
WWYY
XXXX
END VIEW
Part Number Ordering Information
Part #
ALM-12124-BLKG
ALM-12124-TR1G
Qty
100
1000
Container
Antistatic Bag
13” Reel
11
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet ALM-12124.PDF ] | |
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