37-40GHz Integrated Down Converter
Typical Board Measurements
CHR3894-QEG
Tamb.= +25°C, VD = VD1 =+4V, VGL = -0.1V, VGX = -0.9V, P_LO = 0dBm (IDt = 250mA)
These values are representative of onboard measurements as defined on the drawing in
paragraph "Evaluation mother board". Data given in the package access planes.
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
RF Frequency (GHz)
39
40
41
LSB- 2GHz
USB- 2GHz
LSB- 3.5GHz
USB- 3.5GHz
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
RF Frequency (GHz)
39
40
41
-2V
-0.4V
-0.2V
0V
+0.6V
Ref. : DSCHR3894-QEG2201 -19 jul 12
5/14
Specifications subject to change without notice
Bât. Charmille - Parc SILIC - 10, Avenue du Québec - 91140 VILLEBON-SUR-YVETTE - France
Tel.: +33 (0) 1 69 86 32 00 - Fax: +33 (0) 1 69 86 34 34
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
