DVB-S2

調變器

調解器

數據機

DVB-S2 調變器, DVB-S2 解調器, DVB-S2 數據機

衛星頻率轉換器, DVB-S2 調變器/昇頻器

Modulator Type:

HDM2-V / SDM2-V

HDM2-L / SDM2-L

IF-Output Frequency:

50…180 MHz

950…2150 MHz

Phase Noise:

10 Hz

100 Hz

1 kHz

10 kHz

100 kHz

1 MHz

 

- 70 dBc/Hz

- 80 dBc/Hz

- 88 dBc/Hz

- 90 dBc/Hz

- 100 dBc/Hz

- 115 dBc/Hz

 

- 65 dBc/Hz

- 75 dBc/Hz

- 88 dBc/Hz

- 90 dBc/Hz

- 100 dBc/Hz

- 115 dBc/Hz

Frequency Resolution:

1 Hz

IF-Output Characteristics:

Impedance:

 

Return Loss:

Output Power:

 

 

 

Accuracy:

Stability:

Output Power muted:

Connector:

DC-output on IF-Output:

 

10 MHz reference output on IF-Output:

75 Ω (option 50 Ω) (SDM2-V / HDM2-V)

50 Ω (option 75 Ω) (SDM2-L / HDM2-L)   

>20 dB

- 25 dBm to +5 dBm, 0.1 dB steps (SDM2-V / HDM2-V)

- 30 dBm to   0 dBm, 0.1 dB steps (SDM2-L / HDM2-L)

± 0.5 dB

± 0.5 dB

< -85 dBm BNC female (SDM2-V / HDM2-V)

SMA female (SDM2-L / HDM2-L)

24 V DC, max 800 mA (can be switched on/off)  (SDM-L / HDM-L)

1.5 ±1.5 dBm (can be switched on/off)  (SDM-L / HDM-L)

IF-Monitoring Output

(on front panel):

Output Power:

Impedance:

Return Loss:

Connector:

20 dB of IF Output 

50 Ω 

>20 dB

SMA female

L-Band Monitoring:

(on rear panel):

Output Frequency:

Output Power:

Impedance:

Return Loss:

Connector:

1.4 GHz 

- 45 dBm

75 Ω 

>15 dB

BNC female

available only on SDM2-V / HDM2-V

Spurious Outputs:

Signal related:

< - 70 dBc  (unmodulated carrier, 50…90 MHz or 100…180 MHz for

SDM2-V / HDM2-V )

< - 70 dBc  (unmodulated carrier, 950…1900 MHz (for SDM2-L/HDM2-L )

< - 55 dBc  (unmodulated carrier, 1900…2150 MHz (for SDM2-L/HDM2-L)

< - 45 dBc (unmodulated carrier, out of band)

Frequency Stability:

± 5 x 10-8 (-30°C to 60°C), aging: ± 1.5 x 10-9 per day,  ± 1 x 10-7per year

Symbol Rate:

Max Range: 8 ksps … 60 Msps (depending on Firmware Option) 

Step size: 1 sps

Clock Stability:

± 5 x 10-8 (-30°C to 60°C),aging: ± 1.5 x 10-9 per day,  ± 1 x 10-7per year 

Data Rate:

3 kbps - 267 Mbps (depending on firmware option, modulation, coding) (SPI interface)

3 kbps - 213 Mbps (depending on firmware option, modulation, coding) (ASI interface) *)

  *)  3 kbps …170 Mbps (option BI, when BISS-1/E active)

Transport Stream Adaption

DVB-S2:

CRC-8 Encoder: yes

Merger/Slicer: yes

Base-Band Header Insertion: yes

Stream Adaption: yes

Base-Band Scrambling: yes

(according EN 302307)

Transport Stream Adaption

DVB-S / DVB-DSNG:

Transport Stream Adaption:yes

Randomization:yes

(according EN 300421)

Modulation / Encoding

DVB-S2:

Outer BCH Coding:

 

Inner LDPC Coding, 

depending on Firmware Option:

 

 

 

 

 

Physical Layer Framing:

Physical Layer Signalling:

Pilots Insertion:

Physical Layer Scrambling:

(according EN 302307)

FEC-Frames   n ldpc  = 64800 (normal FEC Frame) or n ldpc  = 16200 (short FEC frame) 

QPSK 1/4, 1/3, 2/5, 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 (only n ldpc =64800)

8PSK 3/5, 2/3, 3/4, 5/6, 8/9, 9/10 (only n ldpc =64800)

16APSK 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 (only n ldpc =64800)

32APSK 3/4, 4/5, 5/6, 8/9, 9/10 (only n ldpc =64800)

yes

yes

on / off

N=0…262141

Modulation / Encoding

DVB-S / DVB-DSNG:

Outer Reed Solomon Coding: 

Convolutional Interleaving:

Inner Coding depending on

Firmware Option:

(according EN300421, EN 301210)

188/204, T=8

Depth I =12

BPSK or QPSK 1/2, 2/3, 3/4, 5/6, 6/7, 7/8 (Convolutional K=7)

8PSK 2/3, 5/6, 8/9 (Pragmatic Trellis)

16QAM 3/4, 7/8 (Pragmatic Trellis)