Cisco Model D-PCG1000 PowerKEY CAS Gateway Datenbogen

 

 

 

The Model D9476™ Quadrature Amplitude Modulation  
(QAM) Modulator is an integral component of  
Scientific Atlanta’s Digital Headend product line.  
The modulator allows digital MPEG-2 packet data  
to be securely transported through conventional  
CATV RF Networks. 

•  Allows carriage of digital data on conventional CATV RF Networks 
•  Supports both ITU J.83 (Annex A and Annex B) and DAVIC QAM coding 
•  Provides up to 38.8 Mbps output data rate within 6 MHz of spectrum at 256 QAM 
•  Provides agile output on frequencies between 150 MHz and 750 MHz 
•  Employs interleaving and Reed-Solomon FEC for improved performance 
•  Contains 10Base-T Ethernet interface for remote provisioning, control, status 

monitoring, and alarms 

•  Provides automated creation and insertion of ATSC SI data 
•  Contains integrated PowerKEY

®

 Conditional Access 

Frequency Range  
(center frequency) 

150 MHz - 750 MHz 

Frequency Offset 

0 kHz ±250 kHz 

Minimum Tuning Step Size 

1 MHz 

RF Output Power Level 

+40 dBmV to +50 dBmV (in 0.1 dB steps) min. range 

RF Output Impedance 

75 ohm 

Output Power level with Carrier 
Squelched 

<-10 dBmV 

RF Output Return Loss  
(carrier on or squelched) 

>10 dB (output channel) 

Inband Spurious Outputs  
(50 MHz - 1.1 GHz) 

<60 dBc (CW), <57 dB (modulated) 

Noise Floor (out-of-band) 

<-136 dBc/Hz, >25 MHz from center frequency 

Output Frequency Error  
(over temperature) 

±15 kHz 

RF Test Point Level 

RF output power -20 dB (±2 dB)