Atec Tektronix-764 User Manual
Page 3
Digital Audio Monitor
764
Characteristics
P h y s i c a l C h a r a c t e r i s t i c s
Dimensions
cm
in.
Height
13.3
5.25
Width
21.6
8.5
Depth
43.2
17
Weight
kg
lb.
4.5
10
Option 01 Embedded
Audio Input
Specifications
Serial Digital Video Input
Input Type – 75
Ω
(nominal), BNC.
Serial Digital Video Formats Accepted – Audio
embedded per SMPTE 272M level B in the following
video formats: 270 Mb/s component digital (625–
and 525-line) complying with SMPTE 259M and
CCIR 656-1.
Input Level – 800 mV
p-p
±10%.
Return Loss –
≥
15 dB, power on.
Equalization Range – Proper operation with up to
19.0 dB loss at 135 MHz using coaxial cable having
1/f- loss characteristics with a launch amplitude of
800 mV.
Serial Digital Video Output
Output Type – 75
Ω
(nominal), BNC, active
loopthrough.
Output Level – 800 mV ±10%.
Return Loss –
≥
15 dB.
Option 02 Analog Line
Output Specifications
Output Type – Balanced XLRs (2 channels).
Output Impedance – 50
Ω
, nominal.
Frequency Response, 20 Hz to 20 kHz – ±2 dB.
THD+N (20 Hz to 20 kHz, 22 kHz measurement
bandwidth) – <0.05%.
THD+N (at 1 kHz, 22 kHz measurement band-
width, fixed or variable (volume control fully CW)
level outputs, 0 dBFS input, RL
≥
10 k
Ω
) –
typically <0.005%.
Output Levels (0 dBFS, RL = 600
Ω
) –
Fixed: 24 dBM +1.6, –0.0 dB.
Variable (volume control fully CW): 24 dBM
+1.6, –0.0 dB.
Safety – UL3111-1, CSA1010.1, EN61010-1,
IEC61010-1.
EMC – UL1244.
Audio Monitors •
www.tektronix.com/video_audio
3
Ve r t i c a l I n t e r v a l Ti m e C o d e I n p u t
Connector – BNC, 75
Ω
conforming to IEC461, NTSC and PAL specifications.
Signal format – Video with SMPTE VITC, 1 volt nominal.
L o n g i t u d i n a l Ti m e C o d e I n p u t
Connector – XLR.
Signal Format – Reads SMPTE and EBU LTC.
(Indicates time as hours:minutes:seconds.)
MIN
TYP
MAX
UNITS
Voltage range
0.25
10
V
p-p
Impedance
5
k
Ω
L e v e l M e t e r s
MIN
TYP
MAX
UNITS
Range
–90
0
dBFS
Accuracy Error
True peak, 0 to –20 dBFS, steady tone
0.05
dB
Test level range
–30
0
dB
Peak program level range
–30
0
dBFS
Dynamic Response
True Peak
Bar indicates true peak value (no attack delay).
Bar decay is same for PPM
PPM
Bar indicates quasi-peak value; conforms to
IEC 268-10A & IEEE Std 152-1991
VU
Bar has VU dynamic characteristic conforming
to IEEE Std 152-1991
Detectors
MIN
TYP
MAX
UNITS
Clip, sensitivity range
0
99
samples
Mute, sensitivity range
0
99
samples
P h a s e D i s p l a y
MIN
TYP
MAX
UNITS
Automatic gain control range
–40
0
dBFS
S e s s i o n S c r e e n D i s p l a y
MIN
TYP
MAX
UNITS
Clip counter range
999
events
Mute counter range
999
events
Invalid samples
999
events
Parity errors
999
events
Code violations
999
events
Active bits
24
bits
DC offset range
–90 dBFS