CHM1483-QFG_15 Datasheet, PDF (5/10 Pages) United Monolithic Semiconductors – 12-16GHz Direct Quadrature Modulator

12-16GHz Direct Quadrature Modulator CHM1483-QFG
Typical on Board Measurements
Tamb.= +25°C, VD1 = VD2 = VD3 = +4V, Idq = 100mA
USB versus RF Frequency
F_BB = 10MHz / V_BBI = V_BBQ = 50mVpp
P_LO = 0dBm
-20
-21
USB
-22
-23
-24
-25
-26
-27
-28
-29
-30
11
12
13
14
15
16
17
RF Frequency (GHz)
LSB Rejection versus RF Frequency
F_BB = 10MHz / V_BBI = V_BBQ = 50mVpp
P_LO = 0dBm
50
45
40
35
30
25
20
15
10
5
LSB Rejection
0
11
12
13
14
15
16
17
RF Frequency (GHz)
LO leakage versus RF Frequency
F_BB = 10MHz / V_BBI = V_BBQ = 50mVpp
P_LO = 0dBm
0
-5
-10
LO leakage without cancalation
-15
LO leakage with cancelation
-20
-25
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
11
12
13
14
15
16
17
RF Frequency (GHz)
LO leakage versus LO Input Power
F_BB = 10MHz / V_BBI = V_BBQ = 50mVpp
P_LO = 0dBm
-10
10 GHz
-15
11 GHz
12 GHz
13 GHz
-20
14 GHz
15 GHz
-25
16 GHz
17 GHz
-30
-35
-40
-45
-50
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4
LO Input Power (dBm)
USB versus LO Input Power
DC Supply Current versus LO Input Power
F_BB = 10MHz / V_BBI = V_BBQ = 50mVpp
F_LO: [10 to 17 / 1] GHz
-24
-25
-26
-27
-28
-29
F_BB = 10MHz / V_BBI = V_BBQ = 50mVpp
F_LO: [10 to 17 / 1] GHz
130
10 GHz
125
11 GHz
12 GHz
120
13 GHz
14 GHz
15 GHz
115
16 GHz
17 GHz
110
-30
10 GHz
11 GHz
-31
12 GHz
13 GHz
-32
14 GHz
15 GHz
-33
16 GHz
17 GHz
-34
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4
LO Input Power (dBm)
105
100
95
90
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4
LO Input Power (dBm)
Ref. : DSCHM1483-QFG2305 - 31 Oct 12
5/10
Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE
Tel.: [phone] - Fax: [phone]
Specifications subject to change without notice