F

IN1

F

IN2

G

ND

F

OUT1

F

OUT2

V

POL1

V

POL2

ZLNB2001

V

CC

V

CC

68pF

470pF

C2

68pF

C4

470pF

C3

C1

R2

150k

R1

10k

R3

10k

R4

150k

LNB Downfeed

No.1

LNB Downfeed

No.2

F

IN1

F

IN2

G

ND

F

OUT1

F

OUT2

V

POL1

V

POL2

ZLNB2003

V

CC

C

REC1

C

REC2

68pF

C4

470pF

C3

68pF

470pF

C2

C1

R2

150k

R1

10k

R3

10k

R4

150k

C5

100nF

R5

1M

R6

1M

C6

100nF

V

CC

LNB Downfeed

No.1

LNB Downfeed

No.2

ZLNB2001 ZLNB2002

ZLNB2003 ZLNB2004

The following circuit shows the additional components that will be used for polarisation mode

and 22kHz tone detection in a typical ZLNB2001/2 application.

The following circuit shows the additional components that will be used for polarisation mode

and 22kHz tone detection in a typical ZLNB2003/4 application.

APPLICATION CIRCUIT EXAMPLES

88