SXA-289 Просмотр технического описания (PDF) - Sirenza Microdevices => RFMD
Номер в каталоге
Компоненты Описание
производитель
SXA-289 Datasheet PDF : 7 Pages
| |||
SXA-289 5-2000 MHz Power Amplifier
Active Current Feedback Bias Circuit (for 5V supply)
Note: Circuit Optimized for Output IP3
Frequency
850 MHz 1960 MH z
Vs = 5V
Small Signal Gain (dB)
20.0
14.9
C3
C4
C5
Input Return Loss (dB)
Output IP3 (dBm)
-22.8
37.7*
-12.1
38.0*
P1dB(dBm)
23.0
23.3
*Note: IP3 performance degraded due to lower
R1
Rbias
(4.5V) device voltage.
2 U1
6
1
R2
4
5
3
R3
Vdev
L1
C7
Z=50W, 45.5°
Z=50W, 12.9°
C1
SXA-289
C6
C2
Schematic
Ref.
Des.
850 MHz 1960 MHz
Part Number
C1, C7 100pF
68pF
Rohm MCH18 series
C2
5.6pF
-
Rohm MCH18 series
C3
0.1uF
0.1uF Matsuo 267M3502104K
C4
1000pF 1000pF
Rohm MCH18 series
C5
68pF
22pF
Rohm MCH18 series
C6
-
1.2pF
Rohm MCH18 series
L1
33nH
22nH
Toko LL1608-FS series
R1 220 Ohm 220 Ohm Rohm MCR03 series
R2 1.8KOhm 1.8KOhm Rohm MCR03 series
R3 750 Ohm 750 Ohm Rohm MCR03 series
Rbias 4.3 Ohm 4.3 Ohm Rohm MCR03 series
U1 UMZ1N UMZ1N
Rohm
U1
RF IN
C1
C3 C4 C5
R1
VCC
Rbias
R2
L1
1
R3
C2
C6
SXA-289
RF OUT
C7
Sirenza Microdevices
ECB-101872 Rev. B
SOT-89 Active Bias
Eval Board
Active Bias Evaluation Board Layout
NOTE: Reference Application Note AN-026 for more information on Active Current Bias Circuit.
522 Almanor Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
6
http://www.sirenza.com
EDS-100622 Rev H
Share Link: 