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DA-3380 Datasheet Preview

DA-3380 Datasheet

DVD-RAM MASTERING GENERATOR

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DA-3380 pdf
DVD-RAM MASTERING GENERATOR
DVD-RAM MASTERING GENERATOR
DA-3380
OUTLINE
DA-3380 is a signal source for making the master
unrecord optical disc that satisfies the DVD-RAM
standard. This unit provides the signal to make the all
areas (embossed data area and rewritable area) of DVD-
RAM disc in accordance with data from the panel
switches and the serial interface and supplies the signal
to the optical cutter.
FEATURES
Generate the embossed data
The unit automatically generated the signal to make the Pre-Pit
(embossed data) for the Inside circumference on the DVD-RAM
disc by connection with personal computer (RF-1st signal).
Record the groove and the pit of header part by the single
beam one sequence
The unit provides the RF-2nd signal to make the Header-Pit for
rewritable area and the Deflect signal to make the groove on the
DVD-RAM disc.
Pulse width variable function
The pulse width variable function is provided to optionally correct
the pulse width of the RF signal in accordance with characteristics
of the optical cutter.
Automatically generates the signal
The unit automatically generates the signal for cutting the disc
from the inside circumference to the outside circumference.
Output voltage arbitrary set function
The output voltage is arbitrarily set in accordance with each pulse
in the RF signal.
Applicable to 450 rpm and 900 rpm
The unit can be used with the optical cutter of the rotation speed
450 rpm and 900 rpm.
Option
Applicable to 4.7 Gbytes
SCSI
172



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DA-3380 Datasheet Preview

DA-3380 Datasheet

DVD-RAM MASTERING GENERATOR

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DA-3380 pdf
DVD-RAM MASTERING GENERATOR
DA-3380
REQUIREMENT FOR OPTICAL CUTTER
Dual beam drive
It is necessary to drive two laser spots to record the data in the
embossed data area and rewritable area.
LOCK signal
The rotation control function of CAV is necessar y follow the
reference signal from the unit.
START signal
Beginning of the signal generation is detected from the radius
position of the disc and the function to output the beginning
timing to the unit is necessary.
SPECIFICATIONS
RF-1st signal (embossed area output) and RF-2nd signal
(rewritable area output)
Output range(TOP)
Variable at 0 ~ Approx.+1.0V
Output range(BOTOM) Variable at 0 ~ TOP level
Setting resolution
2mV
Output impedance
Approx. 50
Transmission clock
FR-1st : 5.22MHz(450 rpm)
RF-2nd : 5.50MHz ~ 12.94MHz (450 rpm)
Frequency accuracy
20ppm or less
Residual jitter
1ns or less
Rise time and fall time
5ns or less
Pulse width variable function
Setting range
Approx.-1T ~ Approx.+20ns
Setting resolution
2ns
Automatic switch at output level
Switch by each T
3T ~ 14T
Deflect signal (groove signal + header position control signal)
Groove signal
Output range
Variable at 0 ~ Approx.200mV Sine wave
Setting resolution 1 mV
Output impedance Approx.50
Output frequency 29.58kHz ~ 69.57kHz(450rpm)
Frequency accuracy 20ppm or less
Distortion rate
1% or less(20mV ~ 200mVp-p)
Groove end position correction
Variable range :
3T ~ 7T(Standard value 5T)
Setting resolution : 0.5T
Output polarity switch output polarity is reversed
Header position control signal
Output range
Variable at 0 ~ Approx. ± 500mV, pulse signal
Setting resolution 2mV (Possible to set positive and
negative individually)
Rise time and fall time 20ns or less
Output position adjustment (ID1,2) :
0 ~ + 4T in end position of groove, 0.5T step
Output position adjustment(ID3,4) :
0 ~ + 4T in end mark of ID2, 0.5T step
START/STOP signal (input)
Input impedance
Approx.47 k
Proper pulse width
10ms or less
Logical polarity
Active low
LOCK signal (output)
Output
Line driver signal (pulse signal)
Output impedance
Approx.50
Output frequency
15.75kHz
Frequency accuracy
20ppm or less
Duty ratio
50±10%
Power source
100 ~ 240 VAC, 50/60 Hz
Approx.16 W
Case dimensions
190 (W) × 128 (H) × 350 (D)mm
(projections not included)
Weight
Approx. 3.6 kg
173


Part Number DA-3380
Description DVD-RAM MASTERING GENERATOR
Maker ETC
Total Page 2 Pages
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