APPLICATION CIRCUIT EXAMPLES

ISSUE 1 - APRIL 2002

7

ZLNB2006

ZLNB2009

ZLNB2010

Vcc

R2

150k

LNB Downfeed No.1

C2

68pF

C1

470pF

R1

10k

R4

150k

LNB Downfeed No.2

C4

68pF

C3

470pF

R3

10k

Y22

Y01

Y02

Vcc

Fout2

Y11

Y12

Y31

Gnd

Fin1

Fout1

Vpol2

Vpol1

Y21

Y32

1

Fin2

The following circuit shows the additional components that will be used for polarisation mode and 22kHz tone

detection in typical ZLNB2010 application

Vcc

R2

150k

LNB Downfeed No.1

C2

68pF

C1

470pF

R1

10k

R4

150k

LNB Downfeed No.2

C4

68pF

C3

470pF

R3

10k

NC

CR2

CR1

NC

Y11

Y12

Y31

Gnd

Fin1

Fout1

Vpol1

Y32

Y22

Y01

Y02

Vcc

Fout2

Vpol2

Y21

Fin2

R6

1M

C6

100nF

C5

100nF

R5

1M

The following circuit shows the additional components that will be used for polarisation mode and 22kHz tone

detection in typical ZLNB2006/9 application