EMCEE Broadcast Products TTU1000FA Manuale Utente
Page 2
Revised June 1999
MODEL 2000 FIXED CHANNEL MODULATOR SPECIFICATIONS:
(NORTH AMERICAN NTSC)
1)
MAXIMUM OUTPUT LEVEL
+60dBmV
2)
SPURIOUS OUTPUTS
5-750MHz: Less than
60dBc
3)
DIFFERENTIAL PHASE
Less than 2 degrees
4)
DIFFERENTIAL GAIN
Less than 3%
5)
VIDEO SIGNAL-TO-NOISE RATIO
Better than 60dBc
6)
FREQUENCY RESPONSE TO 4.1MHz
±1dB
7)
GROUP DELAY PRECORRECTION
±50ns
8)
CHROMA-LUMA DELAY
Less than ±50ns
9)
VISUAL CARRIER FREQ. TOL.
±500Hz or better
10)
AURAL CARRIER LEVEL
7 to
25dB below Video Carrier
11)
AURAL CARRIER FREQ. TOL.
±500Hz or better
12)
AUDIO RESPONSE
50 to 15kHz or ±1dB
13)
AUDIO DISTORTION
Less than 0.2%
14)
AUDIO PRE-EMPHASIS
75
)
s Standard (flat, or 50
)
s opt)
15)
AUDIO INPUT
Balanced or unbalanced, line level
16)
VIDEO INPUT
75 Ohms .5 to 2Vp-p
17)
AC POWER
85-260 Volts; 20 Watts 50-60Hz
18)
OUTPUT FREQ.
US System M, PAL B, PAL D/K
19)
IF IMPEDANCE
75 Ohms
20)
STANDARD RACK MOUNT