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SAA4960

Integrated PAL comb filter

Philips Electronics 

Philips Semiconductors

Integrated PAL comb filter

Preliminary specification

SAA4960

SYMBOL

PARAMETER

CONDITIONS

MIN.

YO (pin 14)

V14/V17

BYPASS-mode: CO/Cext

COMB-mode: transfer function Y-path see Fig.9

V14

∆V14

DC offset voltage related to input

DC jump when forcing into

BYPASS-mode

R14

RL

CL

V17/V14

output resistance

load resistance (to ground)

load capacitance (to ground)

suppression (comb depth)

FPN

fixed pattern noise for divided clock

frequencies referenced to 0.7 V (p-p)

black-to-white

αcr

crosstalk suppression at vertical

transients gray ↔ multi-burst

S/N

signal-to-noise ratio (0.7 V/Veff noise)

αcr

V14(p-p)

crosstalk between different inputs

FSC residue in BYPASS-mode related

to 700 mV (p-p)

Gd

differential gain

CVBSO (pin 15)

V15/V17

BYPASS-mode: CVBSO/CVBS

COMB-mode: transfer function CVBS-path see Fig.9

V15

∆V15

DC offset voltage

DC jump when forcing into

BYPASS-mode

R15

RL

CL

FPN

output resistance

load resistance (to ground)

load capacitance (to ground)

fixed pattern noise for divided clock

frequencies referenced to 0.7 V (p-p)

black-to-white

S/N

signal-to-noise ratio (0.7 V/Veff noise)

0 to 5 MHz

−1

−400

−

−

0.3

−

see Fig.6 and

note 3

283.75 × fH

26

(283.75 − 43) × fH 10

(283.75 + 35) × fH 18

0.75fsc

−

fsc

−

1.5fsc

−

2fsc

−

see Fig.3

26

unweighted;

56

200 kHz to 5 MHz

0 to 5 MHz

−

−

0.95

0 to 5 MHz

−1

−400

−

−

0.3

−

0.75fsc

−

fsc

−

1.5fsc

−

2fsc

−

unweighted;

56

200 kHz to 5 MHz

TYP.

0

0

200

10

−

−

30

12

24

−

−

−

−

30

72

−60

−

−

0

0

200

10

−

−

−

−

−

−

72

MAX. UNIT

+1

dB

+400 mV

450

mV

100

Ω

−

kΩ

25

pF

−

dB

−

dB

−

dB

−40

dB

−30

dB

−30

dB

−20

dB

−

dB

−

dB

−40

dB

−60

dB

−

+1

dB

+400 mV

450

mV

100

Ω

−

kΩ

25

pF

−40

dB

−30

dB

−30

dB

−20

dB

−

dB

1996 Oct 15

12

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