24-30GHz MFC Down Converter

CHR2295

Ref. : : DSCHR22951201 -20-July-01

4/6

Specifications subject to change without notice

Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE

Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09

Typical On-board Measurements

Bias Conditions : Vdm= Vdl= 3.5 V, Vgm= Vgx= -0.9V, Vgb= Vga= -0.3V

All these measurements include the losses from the test board (about 1dB on the conversion

gain and 0.5dB on the noise figure).

-24.00

-20.00

-16.00

-12.00

-8.00

-4.00

0.00

4.00

8.00

12.00

22.5

23.5

24.5

25.5

26.5

27.5

28.5

29.5

30.5

31.5

32.5

2XLO Frequency (GHz)

IF=1GHz

IF=1.5GHz

IF=2GHz

IF=1GHz

IF=1.5GHz

IF=2GHz

Conversion gain & Image suppression versus IF frequency

0

1

2

3

4

5

6

7

8

9

10

24.5

25

25.5

26

26.5

27

27.5

28

28.5

29

29.5

RF Frequency (GHz)

Channel_sup_IF_1GHz

Channel_inf_IF_1GHz

Channel_sup_IF_1.5GHz

Channel_inf_IF_1.5GHz

Channel_sup_IF_2GHz

Channel_inf_IF_2GHz

Noise figure supradyne & infradyne versus IF frequency