Broadcast Showman 1000, Руководство пользователя

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Multi-Standard Analogue TV Demodulator Showman 1000

2008 dB Broadcast Ltd 68 Provisional Version 0.3
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Parameter Min Typical Max Units
RF Input
Tuning Range 45.25 - 863.25 MHz
Tuning Increments - 0.25 - MHz
Level 46 (0.2) 66 (2) 80 (10) dBμV (mV)
Impedance - 75 - Ω
Return Loss Ratio (VSWR) - 9.5 (2) 4.5 (4) dB (Ratio)
Aerial/Antenna Radiation - - 46 dBμV
Tuner Noise Figure - 6 9 dB
Tuner AGC Range 40 50 - dB
Image rejection 50 60 - dB
IF Rejection 56 70 - dB
IF Input
Frequency (Vision Carrier) - 38.9 - MHz
Level –35 (4) –27 (10) -7 (100) dBm (mV)
Impedance - 50 - Ω
Return Loss Ratio (VSWR) - 30 (1.07) - dB (Ratio)
IF Output
Frequency (Vision Carrier) - 38.9 - MHz
Peak Sync TIP Power
(RF IN >60dBμ/1mV
rms
)
- -7 - dBm
Typical 8MHz Channel Power
(RF IN >60dBμ/1mV
rms
)
- -10 - dBm
Impedance - 50 - Ω
Return Loss Ratio (VSWR) - 30 (1.07) - dB (Ratio)
Noise (Unified Weighting, Black &
Burst Video)
-49 -53 - dB
rms
Video Output
Video Level (Adjustable) - 1 - V
pp
Impedance - 75 - Ω
Differential Phase - 1.5 - º
p-p
Differential Gain - 3.5 - %
p-p
Chroma Level (Adjustable) - 300 - mV
K-2T - 1.5 - %
K-PB - 1.5 - %
Chrominance-Luminance Delay - 35 - nS
Bar Line Time Distortion - 0.2 - %
Bar Line Time Tilt - 0.2 - %
Noise (Unified Weighting, Black &
Burst Video)
-49 -53 - dB