SGA-7489 Ver la hoja de datos (PDF) - Stanford Microdevices
Número de pieza
componentes Descripción
Fabricante
SGA-7489 Datasheet PDF : 8 Pages
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RF input
2 GHz Application Ckt. Board
+Vcc
Ground
Rb1
Rb2
CM1 Cc1
IN
SGA-7489
Cd2
Cd1
Lb
CM2
Cc1
OUT
STANFORD MICRODEVICES
ECB-100607 Rev-A
SOT-89 Eval Board
+7V
Rb2
Rb1
Cd1
Z1
CM1
Cc1
Z2
SGA-7489
Z3
SGA-7489 2 GHz Application Circuit
PPrreelliimmiinnaarryy
SGA-7489 DC-3000 MHz 5V SiGe Amplifier
The SGA-7489 may be tuned in the manner
shown below for operation at 2 GHz.
Cd2
Lb
Cc2
CM2
Component Parts List
Component Value
Type
Manufacturer P/N
Cc1,Cc2,
Cd1
100 pF
ROHM
MCH185A101JK
CM1
1.2 pF
ROHM
MCH185A1R2JK
CM2
1.5 pF
ROHM
MCH185A1R5JK
Cd2
0.1 uF
ROHM
MCH182FN1042K
Lb
22 nH
TOKO
LL1608FS22NJ
Rb1,Rb2
30 Ohms, 1/4 ROHM
W
Type MRC 18
Table of Delay Elements
RF Output
Ref. Zo
Phase Delay @ 2 GHz
Desig. (Ohms) (Degrees)
Z1 50
Z2 50
Z3 50
14.5
34.1
21.5
Note: Separation Distance between via
holes on board represents approx. 5.4
Degrees phase shift @ 2GHz for equivalent
distance on microstrip.
Board material is GETEK,e=4.1
SGA-7489 2 GHz Tuned Application Ckt. Summary Data Table
Parameter
Typical
25oC
1700 MHz
Gain
Noise Figure
Output IP3
Output P1dB
Input Return Loss
Reverse Isolation
18.6
3.1
36.1
20.8
10.0
23.8
1900 MHz
Gain
Noise Figure
Output IP3
Output P1dB
Input Return Loss
Reverse Isolation
18.3
3.3
36.0
20.4
11.2
23.0
2100 MHz
Gain
Noise Figure
Output IP3
Output P1dB
Input Return Loss
Reverse Isolation
18.2
3.7
34.5
19.9
16.3
22.1
726 Palomar Ave., Sunnyvale, CA 94085
Unit
dB
dB
dBm
dBm
dB
dB
Test Condition
(ID = 130 mA, unless otherwise noted)
ZS = 50 Ohms
Tone spacing = 1 MHz, Pout per tone = 0 dBm
dB
dB
dBm
dBm
dB
dB
ZS = 50 Ohms
Tone spacing = 1 MHz, Pout per tone = 0 dBm
dB
dB
dBm
dBm
dB
dB
ZS = 50 Ohms
Tone spacing = 1 MHz, Pout per tone = 0 dBm
Phone: (800) SMI-MMIC
5
http://www.stanfordmicro.com
EDS-101801 Rev A
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