CHT4690 United Monolithic Semiconductors, CHT4690 Datasheet - Page 11
![no-image](/images/no-image-200.jpg)
CHT4690
Manufacturer Part Number
CHT4690
Description
5-30ghz Attenuator
Manufacturer
United Monolithic Semiconductors
Datasheet
1.CHT4690.pdf
(12 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CHT4690
Manufacturer:
ZCOMM
Quantity:
1 400
Company:
Part Number:
CHT4690-99F
Manufacturer:
UMS
Quantity:
1 400
Part Number:
CHT4690-99F
Manufacturer:
UMS
Quantity:
20 000
Company:
Part Number:
CHT4690-QAG
Manufacturer:
UMS
Quantity:
1 400
Part Number:
CHT4690-QAG
Manufacturer:
UMS
Quantity:
20 000
5-30GHz Attenuator
Biasing sequence
To obtain good performances in linearity, biasing voltage should be applied as
following:
Chip Assembly and Mechanical Data
Ref: DSCHT46908268 - 24 Sep 08
-
-
RF IN
Note: Supply feed might be capacitively bypassed. 25 m diameter gold wire is to be prefered.
Control of 1
Control of 2
Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE
Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
to V1 DC gate supply feed
to V1 DC gate supply feed
st
nd
stage attenuation with V1 from –5V to 0V, with V2 fixed at -5V
stage with V2 from –5V to 0V, with V1 fixed at 0V
V1
V1
V1
V1
V1
V1
V1
V1
…
…
…
…
120 pF
120 pF
11/12
..
..
..
..
..
..
..
..
120 pF
120 pF
V2
V2
V2
V2
..
..
..
..
V2
V2
V2
V2
..
..
..
..
to V2 DC gate supply feed
to V2 DC gate supply feed
…
…
Specifications subject to change without notice
…
…
CHT4690
RF OUT