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Digital Audio Performance - Sony HDCAM HDW250 Features And Specifications

Hd digital videocassette recorder
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General
Dimensions (W x H x D)
317 x 154 x 349 mm
Mass
Approx. 7.8 kg
Power requirements
DC 12+5.0/-1.0 V
Power consumption
Max.52 W (Rec. mode, Confi.Off)
Operating temperature
0˚C to +40˚ C (+32˚ F to +104˚ F)
Storage temperature
-20˚ C to +60˚ C (-4˚ F to +140˚ F)
Humidity
25 % to 85 % (relative humidity)
Tape Format and Transport
Recording format
HDCAM
Tape width
12.65 mm (1/2 inches)
Tape speed
96.7 mm/s
Record/playback time
Max.124 min with large cassette
(BCT-124 HDL) Max. 40 min with
small cassette (BCT- 40 HDL)
Fast forward/rewind time
Approx. 7 min with large cassette
(BCT-124 HDL) Approx. 2.5 min with
small cassette (BCT- 40 HDL)
Fast forward/rewind speed Max. 24 times
Search speed
Max. 8 times (2/5/8 selectable)
Servo lock time
4.5 s or less (from Standby On)
Load/unload time
6 s or less (with small cassette /
large cassette)
Battery
BP - L60A
Recommended tapes
HDCAM cassette
BCT-22 / 40 / 64 / 124 HDL
Digital Video Performance
Sampling frequency
Y : 74.25 MHz
Pb/Pr : 37.125 MHz
Quantization I/O interface 10 bits / sample
Bit reduction 8 bits / sample
Error correction
Reed-Solomon code
Error concealment
Adaptive three dimensional
Compression
Co - efficient recording system
Channel coding
S - NRZI PR - IV
Digital Input to Analog Component Output
(Playback on standard playback machine)
Bandwidth
Y : 0.5~21.0 MHz ± 0.5 dB
Pb/Pr : 0.5~7.00 MHz ± 0.5 dB
S/N ratio
58 dB or more
K factor (2T pulse)
1 % or less
Analog Component Input to Analog Component Output
(Playback on standard playback machine)
A/D quantization
10 bits / sample
Bandwidth
Y : 0.5~21.0 MHz ± 1.0 dB
Pb/Pr : 0.5~7.00 MHz ± 1.0 dB
S/N ratio
56 dB or more
K factor (2T pulse)
2 % or less
Analog Component Input to Analog Composite Output
(Playback on standard playback machine)
A/D quantization
10 bits / sample
HDW-250 Connector Panel
Band width
0~5.5 MHz ± 0.7 dB
S/N ratio
56 dB or more
Differential gain
2 % or less
Differential phase
2˚ or less
Y/C delay
15 ns or less
K factor (2T pulse)
1 % or less

Digital Audio Performance

Sampling frequency
48 kHz (synchronized with video)
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
(0 dBu 1 kHz)
Dynamic range
100 dB or more (at 1kHz, emphasis ON)
Distortion
0.03% or less (at 1 kHz, emphasis ON)
Cross talk
-80 dB or less (at 1 kHz, between
D/A channels)
Wow and
Below measurable level
Headroom
20 dB (18dB)
Emphasis
T1=50µs, T2=15µs
(ON / OFF selectable)
Input / output signals
SDI (Serial Digital Interface)
HD serial digital component embed
audio 4 channels
(non-compressed) SMPTE 259M
HD SDI input
BNC x 1
HD SDI output
BNC x 1
Camera (26-pin x 1)
Y : 1.0 Vp-p, 75 Ω (sync negative)
Analog component input
R-Y/B-Y : 0.7 Vp-p, 75 Ω
Analog audio input
-60/-20/+4 dBu selectable
High impedance, balanced
Reference sync output
TRI SYNC
0.6 Vp-p, 75 Ω (sync negative)
Y: 1.0 Vp-p, 75 Ω (sync negative)
Return video output
Video
Analog composite
reference input
BNC x 1
1125/60 or 1125/59.94 TRI SYNC
0.6 Vp-p, 75 Ω (sync negative)
525/59.94
Black burst
0.286 Vp-p, 75 Ω (sync negative)
Analog HD component
BNC x 3 Y/Pb/Pr : 0.1 Vp -p, 75 Ω
output
(sync negative) Superimpose
ON/OFF selectable
Analog composite output
BNC x 1
1.0 Vp-p,75 Ω (syncnegative)
Superimpose ON/OFF selectable
Audio
Analog audio input
XLR x 4
-60/-20/+4 dBu selectable
High impedance, balanced
Analog audio output
XLR x 4 +4 dBu (0 dBu)
Low impedance, balanced
Headphone
Stereo standard jack (x 1) -17 dBu
Earphone
Stereo mini jack ( x 1) -17 dBu
Time code input
BNC x 1 0.5~18 Vp -p,
impedance 10 kΩ ±10%
Time code output
BNC x 1 1.0 Vp -p
(75 Ω), 2.2 Vp -p (10 k Ω)

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