CHA3514_15 Datasheet, PDF (9/10 Pages) United Monolithic Semiconductors – 6-18GHz 4 bit Digital Variable Amplifier

6-18GHz Digital Variable Amplifier
Chip Assembly and Mechanical Data
CHA3514
A
B ^120pF
10A 5A
2.5A 20A
120pF
D
E
10nF
10B
5B
2.5B 20B
100nF
To Vd DC Drain Supply
Note : Supply feed should be capacitively bypassed. 25µm diameter gold wire is to be prefered.
Label
10A, 10B
5A, 5B
2.5A, 2.5B
20A, 20B
B
D
A
E
Recommended circuit bonding table
Type
Vc
Vc
Vc
Vc
Vd
Vd
Vg
Vg
Decoupling
Not required
Not required
Not required
Not required
120pF / 10nF
120pF / 10nF
Not required
Not required
Comment
10dB pad control
5dB pad control
2.5dB pad control
20dB pad control
Drain Supply
Drain Supply
Gate Supply
Gate Supply
Ref. : DSCHA3514-8144 - 23 May 08
9/10
Specifications subject to change without notice
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