DVD测试仪 MODEL 4121

Specifications

Input

Input signal

HF/RF, EFM-Plus signal, EFM signal and

*BI-PHASE signal

input level range

0.05Vp-p to 5Vp-p

Input Impedance

1M ohm 25pF 50 ohm(can be selected)

Jitter Measuring

Measuring mode

DVD total T(JISX6241, ECMA-267 recommended) X1(clock frequency 27MHz +/-0.5MHz)

Measuring range

CD-3T: 3speeds can be installed from X1, X2, X4, X8, DVD-3T

BI-PHASE(*optional) X1, X2, X4, X8, X10, X12, X16, X24, X32

DVD total T X1 : +/-0.5T at each edge of clock

CD-3T: X 1, X 2, X 4........3T(2.5T to 3.4T)

BI-PHASE(*)

X 1........1T(159us +/-80us)

X 2........1T(79.4us +/-40us)

	X 4........1T(39.7us +/-20us)
	X 8........1T(19.8us +/-10us)
	X10.......1T(15.9us +/-8us)
	X12.......1T(13.2us +/-6.6us)
	X16.......1T(9.9us +/-5us)
	X24.......1T(6.6us +/-3.3us)
	X32.......1T(5.0us +/-2.5us)

Indication method

RMS (sigmajindication on 3-digit decimal LCD

display and analog meter.

Indication range

MODE	RANGE		MODE	RANGE
DVD CD	LOW	HIGH	BI-PHASE(*)	LOW	HIGH
DVD totalT	10%	20%	B-P X1	30us	60us
CD X1	30ns	60ns	B-P X2	15us	30us
CD X2	15ns	30ns	B-P X4	7.5us	15us
CD X4	7.5ns	15ns	B-P X8	4.0us	8.0us
CD X8	4.0us	8.0us	B-P X10	4.0us	8.0us
DVD 3T	4.0us	8.0us	B-P X12	4.0us	8.0us
.			B-P X16	4.0us	8.0us
			B-P X24	4.0us	8.0us
			B-P X32	4.0us	8.0us
*is optional features

Measuring accuracy

Within +/-5% at each range of full scale

Polarity switching

Total T in DVD :+,-,BOTH( +/-), Others

Asymmetry

X 1........ +/-100ns or more

Compensation

X 2........ +/-50ns or more

X 4........ +/-25ns or more

X 8........ +/-12.5ns or more

BI-PHASE(*)

X 1........ +/-20us or more

X 2........ +/-10us or more

	X 4........ +/-5us or more
	X 8........ +/-2.5us or more
	X10....... +/-2us or more
	X12....... +/-1.25us or more
	X16........+/-1.2us or more
	X24....... +/-0.8us or more
	X16....... +/-0.6us or mor

Level Measuring (Total Tin DVD,CD-3T)

Measuring range	:	0.05Vp-p to 5Vp-p
Indication	:	P-P indication on 3-digit decimal display.
Measuring accuracy	:	Within +/-5% of full scale.

Judging Feature and Panel Front Pressing Feature

GO-NG Set up range	:	Jitter
		0 to 60ns, 0 to 60us 3 digit decimal set up
	:	Level
		Upper,Lower limit, 0 to 5V 3 digit decimal set up
Presetting feature	:	Possible to store/recall 100 sets of setting on the panel.

I/O Terminal

Monitor output

Output level

Approximatery 1/2 (at 50 ohm termination)

Jitter output

Output level

For each full-range scale 1VP-P +/-10%(open end)

Recorder output

Output level	:	Jitter
		For each full-range scale 1VDC +/-10%(open end)
	:	Level
		For each full-range scale 1VDC +/-10%(open end)

Panel I/O terminal

Judgment output	:	Jitter, Level GO/NG(4)TTL output
Remote input	:	3 keys on the panel can be remote-controlled,
		TTL input.

GP-IB Interface (optional )

Power Supply

AC90V to 260V, 50/60Hz, approximately 50VA

Dimensions and Weight

280(W)x150(H)x305(D)mm approximately 5kg