12-16GHz Direct Quadrature Modulator
Typical on Board Measurements
Tamb.= +25°C, VD1 = VD2 = VD3 = +4V, Idq = 100mA
USB versus RF Frequency
F
BB
= 10MHz / V
BBI
= V
BBQ
= 200mVpp
P
LO
= 0dBm
-20
-21
-22
CHM1483-QFG
LSB Rejection versus RF Frequency
F
BB
= 10MHz / V
BBI
= V
BBQ
= 200mVpp
P
LO
= 0dBm
50
45
40
USB
RF Output Power (dBm)
-24
-25
-26
-27
-28
-29
-30
11
12
13
14
15
RF Frequency (GHz)
16
17
LSB Rejection (dBc)
-23
35
30
25
20
15
10
5
0
LSB Rejection
11
12
13
14
15
RF Frequency (GHz)
16
17
LO leakage versus RF Frequency
F
BB
= 10MHz / V
BBI
= V
BBQ
= 200mVpp
P
LO
= 0dBm
0
-5
-10
-15
-20
-25
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
11
12
LO leakage versus LO Input Power
F
BB
= 10MHz / V
BBI
= V
BBQ
= 200mVpp
P
LO
= 0dBm
-10
-15
-20
10 GHz
11 GHz
12 GHz
13 GHz
14 GHz
15 GHz
16 GHz
17 GHz
LO leakage without cancalation
LO leakage with cancelation
LO Leakage (dBm)
LO leakage (dBm)
-25
-30
-35
-40
-45
-50
13
14
15
RF Frequency (GHz)
16
17
-10
-9
-8
-7
-6
-5 -4 -3 -2 -1
0
LO Input Power (dBm)
1
2
3
4
USB versus LO Input Power
F
BB
= 10MHz / V
BBI
= V
BBQ
= 200mVpp
F
LO
: [10 to 17 / 1] GHz
-24
-25
-26
DC Supply Current versus LO Input Power
F
BB
= 10MHz / V
BBI
= V
BBQ
= 200mVpp
F
LO
: [10 to 17 / 1] GHz
130
125
120
10 GHz
11 GHz
12 GHz
13 GHz
14 GHz
15 GHz
16 GHz
17 GHz
USB Power (dBm)
Supply Current (mA)
-27
-28
-29
-30
-31
-32
-33
-34
-10
-9
-8
-7
-6
-5 -4 -3 -2 -1
0
LO Input Power (dBm)
1
2
3
4
10 GHz
11 GHz
12 GHz
13 GHz
14 GHz
15 GHz
16 GHz
17 GHz
115
110
105
100
95
90
-10
-9
-8
-7
-6
-5 -4 -3 -2 -1
0
LO Input Power (dBm)
1
2
3
4
Ref. : DSCHM1483-QFG1346 - 12 Dec 11
5/10
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 ]
