Sony DVW-250 VCR User Manual


 
Appendixes
A-4 Appendixes
Audio system
Sampling frequency 48 kHz (video sync)
Quantization 20 bits/sample
Input A/D quantization
20 bits/sample
Output D/A quantization
18 bits/sample
Frequency response 20 Hz to 20 kHz +0.5 dB/
–1.0 dB (reference level)
Dynamic range 95 dB minimum (1 kHz,
emphasis on)
Distortion 0.04% or less (1 kHz,
emphasis on, reference
level)
Crosstalk –80 dB or less (1 kHz,
between channels)
Wow and flutter Below measurable limit
Headroom 20 dB (18 dB)
Emphasis T1 = 50 µs, T2 = 15 µs (on/off
selectable in recording
mode)
(Using 20-bit D/A reference playback)
Frequency response 20 Hz to 20 kHz (0.5 dB/–1.0
dB (reference level)
Dynamic range 100 dB minimum (1 kHz,
emphasis on)
Distortion 0.03% or less (1 kHz,
emphasis on, reference
level)
Crosstalk –80 dB or less (1 kHz,
between channels)
Wow and flutter Below measurable limit
Inputs and outputs
Serial digital interface
SMPTE-259M/ITU-R BT.656
SDI IN (BNC×1) Serial digital component input
(including 4 audio
channels)
SDI OUT (BNC×1) Serial digital component
output (including 4 audio
channels)
Camera interface
CAMERA (26-pin×1)
Analog component video
input
Y: 1.0 V p-p, 75 (negative
sync)
R–Y/B–Y: 0.7 V p-p, 75
Serial digital component input (including 4 audio
channels)
Analog audio input –60/–20/+4 dB switchable
High impedance, balanced
Video interface
VIDEO IN (BNC×1)
Analog composite video input
1.0 V p-p, 75
VIDEO OUT (BNC×2)
Analog composite video
output
1.0 V p-p, 75 , selectable
text superimposition on
output 2 only
Audio interface
AUDIO IN (XLR×4)Analog audio input
–60/–20/+4 dB switchable
High impedance, balanced
AUDIO OUT (XLR×4)
Analog audio output
+4 dBm (0 dBm)
Low impedance, balanced
HEADPHONES (stereo standard jack ×1)
–17 dBu
EARPHONE (stereo minijack ×1)
–17 dBu
Time code interface
TC IN (BNC ×1) Time code input
0.5 to 18 V p-p, impedance
10 kΩ ±10%
TC OUT (BNC×1) Time code output
1.0 V p-p (75 ), 2.2 V p-p
(10 k)
Miscellaneous
REMOTE (9-pin×1)
Sony 9-pin protocol or RS-
232C interface
(switchable)
DC IN 12V (XLR×1)
Power supply from AC-550/
550CE AC Adaptor
Specifications