MICROWAVE CORPORATION
HMC173MS8
HMC173MS8 VOLTAGE VARIABLE ATTENUATOR 800-2000 MHz
FEBRUARY 2001
Typical Performance for 800-1000 MHz Applications
Attenuation vs. Control Voltage
825 MHz
2
0
-10
-20
-30
+85C
-40C
-40
-50
+25C
-60
0
0.5
1
1.5
2
2.5
3
CONTROL VOLTAGE (V)
Return Loss vs. Control Voltage
825 MHz
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
0
-40C and +85C
+25C
0.5
1
1.5
2
2.5
3
CONTROL VOLTAGE (V)
Typical Performance for 1800-1900 MHz Applications
Attenuation vs. Control Voltage
1900 MHz
0
-5
-10
+85C
-40C
-15
-20
-25
+25C
-30
-35
0
0.5 1
1.5
2
2.5
3
CONTROL VOLTAGE (V)
Return Loss vs. Control Voltage
1900 MHz
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
0
+85C
-40C
+25C
0.5
1
1.5
2
2.5
3
CONTROL VOLTAGE (V)
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343
2 - 28
Fax: 978-250-3373
Web Site: www.hittite.com