Cisco PULSAR MKII - TV Modulator (BG) (PAL) データシート

Differential Gain 

≤ 1.5%  (1% typical)  at 87.5% modulation 

Differential Phase 

≤ 1.0°  (0.5° typical) at 87.5% modulation 

Frequency Response 

± 0.5 dB, 10 Hz to 4.15 MHz (-1.5 dB maximum at 4.2 MHz) 

Video S/N 

≥ 70 dB from 10 kHz to 4.2 MHz, weighted 

Chrominance -to- luminance gain inequality  

≤ ± 4.5% (2.5% typical) 

Chrominance -to- luminance delay inequality 

≤ ± 40 nsec  (-20 nsec typical) 

Chrominance -to- luminance intermodulation 

≤ ± 0.5% 

Chrominance nonlinear gain 

≤ ± 0.5% 

Chrominance nonlinear phase 

≤ ± 0.5° 

K-factor – 2T Pulse 

≤ 2.0% (1.0% typical) 

Group delay response 

Meets FCC Predistortion No. 73.687 for color transmission 

ICPM 

≤ 1.0° p-p 

Input level  

-15 dBm to +15 dBm for 25 kHz deviation @ 400 Hz input 

S/N Ratio 

≥ 70 dB ± 25 kHz deviation (ref @ 400 Hz) 

Frequency Response 

≤ 0.5 dB p-p (0.3 dB p-p typical) from 30 Hz to 15 kHz (75 
µsec pre-emphasis)  

Total Harmonic Distortion 

≤ 0.30% from 30 Hz to 15 kHz @ 25 kHz deviation 

Input Level (L, R, & optional SAP) 

- 15 to +15 dBm for 100% modulation at 400 Hz input 

Audio input impedance 

600 

Ω Balanced or high impedance (selectable) 

Audio common mode hum rejection 

≥ 40 dB  

Frequency Response (left, right) 

≤ ± 0.4 dB (30 Hz to 14.5 kHz) and ≤ -3 dB @ 15 kHz 

S/N Ratio 

≥ 68 dB at 100% input (reference @ 400 Hz & 0 dBm input) 

Stereo Separation  (10% to 100% EIM) 

≥ 35 dB from 50 Hz to 14 kHz (typically 40 dB) 

Distortion (left and right) 

≤ 0.3%  30 Hz to 7.5 kHz at 100% input 

Distortion (optional SAP) 

≤ 0.5%  30 Hz to 5.0 kHz at 100% input 

4.5 MHz Subcarrier output level 

39 to 41 dBmV 

 

 

Output frequency 

50-870 MHz  (fully agile) 

Channel plans 

Standard, IRC, HRC, Special Frequency Plans (SFP) 

Frequency stability 

≤ ± 5 kHz (with internal reference) 

Combined C/N up to 137 channels 

≥ 65 dB 

 Carrier phase noise  
(Measured at 1 Hz bandwidth) 

≤ -95 dBc @ 1 kHz offset  
≤ -101 dBc @ 10 kHz offset 
≤ -101 dBc @ 20 kHz offset 

Output Level 

+50 dBmV to +61 dBmV 

Spurious Outputs 

≤ -63 dBc (-65 dBc typical) relative to +60 dBmV video 
carrier and audio carrier at +45 dBmV 

Output Level 

36 dBmV 

± 2dB with video IF input level @ 47 dBmV 

Vestigial sideband response 

≤ -20 dB at channel edge 
≤ -45 dB at adjacent video audio carrier frequencies and all 
frequencies farther removed from channel. 

Power Dissipation 

Model 9825M 35 Watts 
Model 9825S 39 Watts 

Operating temperature range 

0

°C to 50°C (32°F to 122°F) 

Shipping Weight 

Modulator:  8 lbs (3.6 kg) 
9815 RIM:  3 lbs (1.4 kg)