CHM1080-98F Datasheet, PDF (11/16 Pages) United Monolithic Semiconductors – 71-86GHz Single Side Band Mixer

71-86GHz Single Side Band Mixer
CHM1080-98F
Typical on wafer Measurements in Baseband configuration
Tamb.= +25°C, Vd = +3.5V
Measure with low IF at 10MHz, with 90° between I and Q signal
GX= -2V, Pin_IF= -10dBm, Pin_LO= 2dBm
G tuned for Id_LO= 85mA ( G close to -2.2V)
Conversion Gain & Image Rejection versus RF Frequency
30
26
22
18
14
10
6
USB
LSB
Image rejection USB
Image rejection LSB
2
-2
-6
-10
71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86
RF Frequency (GHz)
Isolation versus LO Frequency ⁽¹⁾
60
55
50
45
40
2LO/ RF without DC voltage
35
2LO/ RF with DC voltage
30
LO/ RF
25
20
15
10
5
0
35
36
37
38
39
40
41
42
43
LO Frequency (GHz)
(1) _{In baseband configuration, a DC voltage on I & Q could be applied to cancel the 2LO leakage.}
V_ V_I & V_Q should be tuned independently for each frequency and temperature.
Ref. : DSCHM10803329 - 25 Nov 13
11/16
Specifications subject to change without notice
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