CHA4693-QGG
17-27GHz Variable Gain Amplifier
Typical Measured Performance
Tamb. = +25° Vd
1,2
= +4.5V, Vg
12,3
tuned for Id = 250mA
C,
Measurements in the plan of the connectors (losses not deembeded), using the proposed
land pattern & board 97365, as defined page 16.
Linear Gain versus Frequency and Temperature
24
20
16
Linear Gain (dB)
12
8
4
0
-4
-8
-12
-16
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
Frequency (GHz)
GcX=-2.0V
+25°C
-40°C
GcX=-0.9V
+75°C
GcX=+0.6V
Gain Control Range per stage versus Frequency (with GcX=+0.6V)
16
14
Stage 3
Gain Control Range (dB)
12
10
8
6
4
2
0
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
Frequency (GHz)
Stage 1
Stage 2
Ref. : DSCHA4693-QGG8144 - 23 May 08
8/16
Specifications subject to change without notice
Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE
Tel.: +33 (0)1 69 33 03 08 - Fax: +33 (0)1 69 33 03 09
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
