CHM1481-QFG Datasheet, PDF (6/10 Pages) United Monolithic Semiconductors – 6-9GHz Direct Quadrature Modulator

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
-22
+25°C
-23
+85°C
-24
-25
-26
-27
-28
-29
-30
6
7
8
9
RF Frequency (GHz)
LSB Rejection versus RF Frequency
F_BB = 10MHz / V_BBI = V_BBQ = 200mVpp
P_LO = 0dBm
40
35
30
25
20
15
10
-40°C
5
+25°C
+85°C
0
6
7
8
9
RF Frequency (GHz)
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
-40°C
-60
+25°C
-65
+85°C
-70
6
7
8
9
RF Frequency (GHz)
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
-40°C
-15
+25°C
-20
+85°C
-25
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
6
7
8
9
RF Frequency (GHz)
Ref. : DSCHM1481-QFG1356 - 22 Dec 11
6/10
Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE
Tel.: [phone] - Fax: [phone]
Specifications subject to change without notice