Sony DVW-250 - Manual (Page 60)

General
Power requirements 12 V DC+5.0 V/-1.0V
Power consumption Approx. 28 W (with CONFI
switch at OFF, SDI OUT
setting at OFF)
39 W maximum
Operating temperature
0 °C to 40 °C
(32°Fto 104°F)
Storage temperature -20 °C to +60 °C
(-4°Fto 140°F)
Operating relative humidity
25 %to85 %
Mass Unit alone: approx. 6.6 kg
( 1 4 1 b 8 o z )
With battery pack and small
cassette: approx.
7.7 kg (16 Ib 15 oz)
Maximum external dimensions (w/h/d)
317 x 140x349 mm
(12 Vs x 5'Vs x 13-V4 inches)
Recording format Digital Betacam
Tape speed Approx. 96.7 mm/s
Recording/playback time
Using BCT-D124L: maximum
124 minutes
Using BCT-D40: maximum
40 minutes
Fast forward/rewind time
Maximum 390 seconds
minutes (using BCT-
D124L)
Maximum 160 seconds
minutes (using BCT-D40)
Fast forward/rewind speed
Approx. 24 times normal
speed
Search speed Maximum 8 times normal
speed
(selectable x2, x5, x8)
Servo lock time Maximum 1 seconds (from
paused state)
Loading/unloading time
Maximum 4.5 seconds
Battery pack used BP-90A (nickel-cadmium) or
BP-L60 (lithium ion)
Cassette tapes used BCT-D6/D 12/D22/D32/D40
BCT-D34L/D64L/D94L/
D124L
Video characteristics
Sampling frequency Y: 13.5MHz
R-Y/B-Y: 6.75 MHz
Quantization 10 bits/sample
Error correcting codes
Reed-Solomon
Error concealment Adaptive three-dimensional
Compression Coefficient recording system
Channel coding S-NRZI PR-IV
Digital input to analog component output
(Reference playback)
Frequency bands Y: 0.5 to 5.75 MHz ±0.5 dB
R-Y/B-Y: 0.5 to 2.75 MHz
±0.5 dB
Signal/noise ratio 62 dB minimum
K factor (2T pulse) 1 % or less
Analog component input to analog
component output (Reference playback)
A/D quantization 10 bits/sample
Frequency bands Y: 0.5 to 5.75 MHz +0.5/-0.7
dB
R-Y/B-Y: 0.5 to 2.75 MHz
+0.5/-0.7 dB
Signal/noise ratio 60 dB minimum
K factor (2T pulse) 1 % or less
LF nonlinearity 2% or less
Analog composite input to analog composite
output
A/D quantization 10 bits/sample
Frequency band 0 to 5.5 MHz ±0.7 dB
Signal/noise ratio 56 dB minimum
Differential gain 2% or less
Differential phase 2% or less
Y/C delay 15 ns or less
K factor (2T pulse) 1 % or less
Appendixes A-3