®

Low Power Mobile VGA EMI Reduction IC

3 of 8

March 2003

P1818/19/20/21/22

Notice: The information in this document is subject to change without notice.

Input Frequency and Modulation Rate

Spread Deviation Selections

Part number

Input

frequency range

Output

frequency range

Modulation rate

P1818

10 MHz to 20 MHz

10 MHz to 20 MHz

Input frequency / 256

P1819

20 MHz to 40 MHz

20 MHz to 40 MHz

Input frequency / 512

P1820

40 MHz to 80 MHz

40 MHz to 80 MHz

Input frequency / 2048

P1821

FRS=0

10 MHz to 20 MHz

10 MHz to 20 MHz

Input frequency / 256

FRS=1

20 MHz to 40 MHz

20 MHz to 40 MHz

Input frequency / 512

P1822

80 MHz to 160 MHz

80 MHz to 160 MHz

Input frequency / 3584

1. A through H represents various combinations of spread deviations, options, and modulation rates.

SRS

SR0

D_C

Spread deviation

2. Refer to Frequency vs. Deviation (P1818A and P1818H).

0

N/A

N/A

-2.50% (Down)

1

-3.50% (Down)

P1818/19/20/21B

0

N/A

N/A

-1.25% (Down)

1

-1.75% (Down)

P1818/19/20/21C

0

N/A

N/A

+/-1.25% (Center)

1

+/-1.75% (Center)

P1818/19/20/21D

0

N/A

N/A

+/-0.625% (Center)

1

+/-0.875% (Center)

P1818/19/20E

N/A

N/A

0

-1.25% (Down)

1

+/-0.625% (Center)

P1818/19/20F

N/A

N/A

0

-2.5% (Down)

1

+/-1.25% (Center)

P1818/19/20G

N/A

N/A

0

-1.75% (Down)

1

+/-0.875% (Center)

N/A

N/A

0

-3.5% (Down)

1

+/-1.75% (Center)

P1822A

0

0

N/A

-1.25% (Down)

0

1

-2.50% (Down)

1

0

-1.75% (Down)

1

1

-3.50% (Down)

P1822B

0

0

N/A

+/-0.625% (Center)

0

1

+/-1.25% (Center)

1

0

+/-0.875% (Center)

1

1

+/-1.75% (Center)