CHR3662-QDG Datasheet, PDF (15/16 Pages) United Monolithic Semiconductors – 7-16GHz Integrated Down Converter GaAs Monolithic Microwave IC in SMD package

7-16GHz Down Converter
CHR3662-QDG
Notes
The biasing circuits of the stages of the circuit are given in the schemes below.
Vd=4.5V
1.5kΩ
IN
40Ω
Stage 1
35Ω
Stage 2
300Ω
70Ω
LNA
2.8kΩ
100Ω
V2
Vg=-0.3V
18Ω
OUT
Stage 3
2.8kΩ _100Ω
V3
Vd=4.5V
25Ω
1.8kΩ
LO IN
2kΩ
B=-5V
8Ω
LO
Stage 1
780Ω
1.5kΩ
300Ω
1.5kΩ
300Ω
Stage 2
LO OUT
Ref. : DSCHR3662-QDG9169 - 18 Jun 09
15/16
Specifications subject to change without notice
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