CHM1481-QFG
6-9GHz Direct Quadrature Modulator
Temperature Board Measurements
VD1 = VD2 = VD3 = +4V, Idq = 100mA
USB versus RF Frequency
F
BB
= 10MHz / V
BBI
= V
BBQ
= 200mVpp
P
LO
= 0dBm
-20
-21
-40°C
+25°C
LSB Rejection versus RF Frequency
F
BB
= 10MHz / V
BBI
= V
BBQ
= 200mVpp
P
LO
= 0dBm
40
35
30
RF Signal Output Power (dBm)
-22
-23
-24
-25
-26
-27
-28
-29
-30
Image Rejection (dBc)
+85°C
25
20
15
10
5
0
-40°C
+25°C
+85°C
6
7
8
RF Frequency (GHz)
9
6
7
8
RF Frequency (GHz)
9
LO leakage versus RF Frequency
F
BB
= 10MHz / V
BBI
= V
BBQ
= 200mVpp
P
LO
= 0dBm / V
I_DC
= V
Q_DC
= 0V
0
-5
-10
-15
-20
-25
-30
-35
-40
-45
-50
-55
-60
-65
-70
LO cancelation versus RF Frequency
F
BB
= 10MHz / V
BBI
= V
BBQ
= 200mVpp
P
LO
= 0dBm / V
I_DC
& V
Q_DC
tuned
0
-5
-10
-15
-20
-25
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
-40°C
+25°C
+85°C
LO leakage (dBm)
-40°C
+25°C
+85°C
6
7
8
RF Frequency (GHz)
9
LO leakage (dBm)
6
7
8
RF Frequency (GHz)
9
Ref. : DSCHM1481-QFG1356 - 22 Dec 11
6/10
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 ]
