CHA3512

6-18GHz Digital Variable Amplifier

Ref. DSCHA3512-8144 - 23 May 08

2/10

Specifications subject to change without notice

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

Electrical Characteristics on wafer

Tamb = +25°C

Vd = Pads B, D = 4.5V, Vg = Pads A, C tuned for Id = 210mA

Symbol

Parameter

Min

Typ

Max

Unit

Fop

Operating frequency range (1)

6

18

GHz

G

Small signal gain @ Attenuator state 0dB (1)

6-16GHz

16-18GHz

14

10

16

16

13

dB

ATT dyn

Attenuator range

19

20

22

dB

Is

Isolation @ Attenuator state 0dB & switch OFF

(1)

-25

-35

dB

P1dB

Output power at 1dB compression @ Attenuator

state 0dB (1)

20

dBm

Psat

Saturated Output power @ Attenuator state 0dB

(1)

23

dBm

NF

Noise figure @ Attenuator state 0dB

7

dB

RL_IN

Input Return Loss all attenuator states (switch

ON)

-15

-8

dB

RL_OUT

Output Return Loss all attenuator states (switch

ON and switch OFF)

-20

-6

dB

Vd

Drain bias DC voltage (

Pads B, D)

4.5

V

Id

Bias current @ small signal

210

250

mA

Vc

Control voltage for Attenuator bit & SPDT switch

-5

0

V

(1) These values are representative for on-wafer measurements that are made without bonding

wires at the RF ports.