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)
These values are representative of de-embedded onboard measurements as defined on the
paragraph ”Evaluation mother board”.
Conversion Gain versus RF & IF frequency (USB & LSB modes)
without attenuation: GC= -2V
20
18
16
Conversion gain (dB)
14
12
10
8
6
4
2
0
35
36
37
38
39
40
41
42
43
44
USB- 2GHz
USB- 3.5GHz
LSB- 2GHz
LSB- 3.5GHz
RF Frequency (GHz)
Conversion Gain versus RF frequency and gain control voltage
(IF 2GHz, USB mode)
20
18
16
Conversion gain (dB)
14
12
10
8
6
4
2
0
35
36
37
38
39
40
41
42
43
44
-2V
-0.4V
-0.2V
0V
+0.6V
RF Frequency (GHz)
Ref. : DSCHR38941192 - 11 Jul 11
4/12
Specifications subject to change without notice
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Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
