CGB7017-SC_08 Datasheet, PDF (6/8 Pages) Mimix Broadband – DC-8.0 GHz InGaP HBT Packaged

DC-8.0 GHz InGaP HBT Packaged
Matched Gain Block Amplifier
October 2008 - Rev 01-Oct-08
CGB7017-SC
Application Circuit
Note: This schematic represents the topology of the application circuit recommended by Mimix.
Recommended Bias Resistor Values for ID = 78 mA
Supply Voltage (V)
5V 7V 8V 10V
R Bias = (Vs - Vd) / Id
Vs
R1
C4
C3
Rbias (R1 Description: 1206 1/4W 1%) 10 38 — —
Rbias (R1 Description: 1210 1/2W 1%) — — 52 81
Note: Rbias provides DC bias stability over temperature.
RF IN
1
C1
4
3
2
Vd
L1
C2 ^RF
OUT
Application Circuit for Flat Gain @ 2 to 6 GHz
Note: This schematic represents the topology of the application circuit recommended by Mimix.
Recommended Bias Resistor Values for ID = 78 mA
Supply Voltage (V)
5V 7V 8V 10V
R Bias = (Vs - Vd) / Id
Vs
R1
Rbias (R1 Description: 1206 1/4W 1%) 10 38 — —
Rbias (R1 Description: 1210 1/2W 1%) — — 52 81
Note: Rbias provides DC bias stability over temperature.
RF IN
4
1
C1
2
C4
C3
3
C2
L3
Typical Gain Performance
R2
CGB7017-SC Gain Vs Temp and Frequency
23
22
21
-40C
20
25C
85C
19
18
17
0
1000 2000 3000 4000 5000 6000
Frequency (MHz)
Evaluation Board - SC Package (SOT-89)
Vd
L2
C5 ^RF
OUT
MIMIX
Ref Designator
C1, C2, C3
C4
L1
L2
L3
R1
R2
C4
Value
1000 pF
1.0 F
56 nH
470 nH
6.8 nH
75
Description
MCH185A101JK
VITR 1.0 F 25V CER
CAP 0805 X7R 10%
Coilcraft 0603 CS 10%
Coilcraft 0805 CS 10%
Coilcraft 0603 CS 10%
R Bias = (Vs - Vd) / Id
1206 1/4W
DNP (Do Not Place)
Size
0805
0805
0603
0805
0603
1206 / 1210
1206
N/A
Note: Contact factory for matching recommendations if flat gain is
required from 2 to 6 GHz.
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099
Tel: [phone] Fax: [phone] mimixbroadband.com
Page 6 of 8
Characteristic Data and Specifications are subject to change without notice. ©2008 Mimix Broadband, Inc.
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