Cisco PULSAR MKII - TV-Modulator (MN) (PAL) 数据表
Pulsar MKII (MN) – TV Modulator
2
Specifications
Interface Specifications
Video inputs
Connector
Connector
BNC, 75
W
Level
1 Vpp (± 6 dB)
Return loss
³ 30 dB
Audio inputs
Connector
Connector
Screw terminal on quick-disconnect-plug
Level
-10 to 10 dBm for 25 kHz deviation
Impedance
600
W / 10 W
Balanced or unbalanced
RF output
Connector
Connector
BNC, 75
W (f-type optional)
Return loss (in channel)
> 12 dB
Frequency
50 to 870 MHz
Level
50 to 61 dBmV
RF test point
Output level -20 dB ± 0.5
Amplitude response
< 0.5 dB for fv -0.6 / fv +4.00 MHz
< -2 dB for fv -0.75 / fv +5 MHz
< -2 dB for fv -0.75 / fv +5 MHz
Phase noise
> 105 dBc/Hz 20 kHz offset
Harmonics & spurious
³ 63 dB
C/N
5 MHz BW
³ 72 dBc
5 MHz BW – 80 channels
³ 64 dBc
S/V ratio
-15 dB nom, adjustable between
-10 dB and -20 dB
-10 dB and -20 dB
RF mute isolation
> 70 dB
Composite IF loop
Connector
Connector
F-type, 50
W (F-type optional)
Return loss
³ 18 dB
Level 40
dBmV
Remote control
Connector
Connector
9-pins Sub D
Interface type
RS-485