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SXT-289 Datasheet(PDF) 6 Page - Stanford Microdevices

Part # SXT-289
Description  1800-2500 MHz Power Amplifier
PDF  8 Pages
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Manufacturer  STANFORD [Stanford Microdevices]
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Logo STANFORD - Stanford Microdevices

SXT-289 Datasheet(HTML) 6 Page - Stanford Microdevices

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Phone: (800) SMI-MMIC
http://www.stanfordmicro.com
6
522 Almanor Ave., Sunnyvale, CA 94085
EDS-101157 Rev D
SXT-289 1800-2500 MHz Power Amplifier
2140 MHz Application Circuit
Active Current Feedback Bias Circuit (for 5V supply)
2140 MHz Schematic
2140 MHz Evaluation Board Layout
2140 MHz Schematic
2140 MHz Evaluation Board Layout
Note: Circuit tuned for Output IP3
15 nH
18pF
1000pF
0.1
µF
(SIZE A)
390 Ω
180 Ω
Z=50
Ω, 56.7 °
39pF
1.0 pF
Rbias
15 nH
39pF
SXT-289
Vs
Voltage Feed Resistor Bias Circuit (for > 7V supply)
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NOTE: Reference Application Note AN-026 for more
information on Active Current Feedback Bias Circuit.
ALL COMPONENTS 0603 UNLESS NOTED OTHERWISE
RFout
RFin
39pF
39pF
18pF
1000pF
0.1uF
Rbias
15nH
15nH
390 Ohms
180 Ohms
SXT-289
1.0pF
STANFORD MICRODEVICES
SOT-89 Eval Board
ECB-101499 Rev A
Z=50
Ω,49.8 °
39pF
(Rohm)
UMZ1N
5
6
4
3
2
1
Vs = 5V
1000 pF
22 pF
0.1
µF
(SIZE A)
4.3
Ω
15 nH
1.0 pF
39pF
750
Ω
1.8K
Ω
220
Ω
SXT-289
22pF
1000pF
0.1 uF
UMZ1N
39pF
39pF
15nH
1.0p
F
4.3 Ω
1.8K Ω
750 Ω
220 Ω
1
STANFORD MICRODEVICES
XAMP EVALUATION BOARD
ECB-101872 Rev A
SOT-89
*Note: IP3 performance degraded due to lower
(4.5V) device voltage.



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