CHT4699-QDG Datasheet, PDF (11/12 Pages) United Monolithic Semiconductors – 36-44GHz Variable Attenuator

36-44GHz Variable Attenuator
CHT4699-QDG
Biasing sequence
To obtain good performances in linearity, biasing voltage should be applied as following:
- Control of 1^st stage attenuation with V1 from –5V to 0V, with V2 fixed at -5V
- Control of 2^nd stage with V2 from -5V to 0V, with V1 fixed at 0V
Voltage
0V
V1
V2
-5V
Min.
Max.
Attenuation
This part could be also driven in Single Voltage Control, applying the same voltage from -5V
to 0V on V1 and V2.
Ref. : DSCHT4699-QDG2118 - 27 Apr 12
11/12
Specifications subject to change without notice
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