CHR3894-98F Datasheet, PDF (6/12 Pages) United Monolithic Semiconductors – 37-40GHz Integrated Down Converter

CHR3894-98F
37-40GHz Integrated Down Converter
Typical Measured Performances
Tamb.= +25°C, VD = VD1 =+4V, VGL = -0.15V, VGX= -0.9V, P_LO = 0dBm (IDt = 250mA)
Image rejection versus RF & IF frequency (USB & LSB modes)
without attenuation: GC= -2V
40
36
32
28
24
20
16
12
8
USB- 2GHz
LSB- 2GHz
4
USB- 3.5GHz
LSB- 3.5GHz
0
35
36
37
38
39
40
41
42
43
44
RF Frequency (GHz)
Return Losses (RF & LO) versus frequency and gain control voltage
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
-22
RF @ GC= -2V
-24
RF @ GC= +0.6V
-26
-28
LO
-30
0
5
10
15
20
25
30
35
40
45
Frequency (GHz)
Ref. : DSCHR38941192 - 11 Jul 11
6/12
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Tel.: [phone] - Fax: [phone]
Specifications subject to change without notice