Barco PULSAR BG, User Manual

Page: 8 / 126

Specifications P
ULSAR
BG
Page 2-2
2.3 RF output
•
Connector BNC
•
Output impedance 75 Ohm
•
Return loss
≥
15 dB between Fv - 1 MHz and Fv + 5.5 MHz; ref. = Fv
•
Frequency 1 channel between 45 MHz and 600 MHz or
1 channel between 600 MHz and 890 MHz or
an agile module (option) for the ranges
5 MHz to 45 MHz
45 MHz to 600 MHz
600 MHz to 860 MHz
adjustable in steps of 12.5 kHz.
•
Output level 50 to 60 dBmV; adjustable on front
tolerance on display value: ±1 dB
•
C/N ratio ( 5 MHz BW)
≥
67 dB
•
Amplitude response measured video to RF
ref. = ( Fv + 250 kHz )
±0.5 dB :
Fv - 0.5 MHz / Fv + 4.75 MHz
-2 dB : Fv - 0.75 MHz / Fv + 5 MHz
•
Slope control ± 0.5 dB with flat channel filter
•
Slope calibration ± 0.5 dB correction of channel filter tilt
•
Phase noise >98 dBc/Hz @ 20 kHz offset
•
Harmonics and spurious radiation
≥
60 dB down (at max. output level)
•
Sound / Vision ratio front adjustable; tolerance on display : ± 1 dB
Mono :-13 dB
adj.: -8 dB to -20 dB
IRT Stereo :
Sound1 : -13 dB
adj.: -11 dB to -23dB
Sound2 : -20 dB adj.: -18 dB to - 23 dB
2.4 IF Loops
•
Return loss
≥
18 dB
•
Connector Composite IF Loop : BNC, 50 Ohm
All other IF Loops: F, 75 Ohm
•
Input, output levels Composite IF Loop: 40 dBmV
±
0.5 dB
IF Vision before SAW: 46 dBmV
±
2 dB (optional)
IF Sound (1): 34 dBmV
±
2dB (optional)
2.5 Remote Control
•
Communication port SubD 9 pins for RS-485
•
Status & Control screw terminal on quick disconnect plug
2.6 Sound modulation spec.’s (measured in RF)
mono
•
IF sound carrier 33.4 MHz
•
Preemphasis 50 µs
•
Frequency response 30 Hz - 15 kHz; tolerance : ± 0.5 dB; reference = 100 Hz
•
Distortion 30 Hz - 15 kHz at ± 50 kHz : < 0.8%
•
S/N ratio
≥
65 dB at ± 50 kHz deviation @ 1 kHz audio signal