Communication Satellite Payload

Product & Heritage

Version 2014 V1

Background

30 years’ experience in design, manufacturing, integration and test

More than 20 GEO payloads has been supplied. In-orbit operating time accumulates up to over 1400 years.

Frequency bands: UHF, L, S, C, Ku, Ka

Max. power per channel: 300W

Total RF power: 5000W

Max. number of antenna per sat.: 7

Design lifetime: 15 years

NigcomSat-1R

SinoSat-3

SinoSat-6

2

Multi-bands, multi-channels, multi-antennas,

high power and high gain payload

High reliability and long life system > 15 years

Anti-interference Switchable channels between different beams Steep roll-off antenna Steerable antenna

On-Board auto-tracking Mono-pulse tracking with 0.06 degree accuracy

On-Board processing Frequency hopping, spread spectrum, Circuit transfer, ATM, IP transfer, sub-band transfer TDMA, FDMA, CDMA Adaptive modulated rate: 2-300Mbps Adaptive demodulated rate: 2-54Mbps

Technique & Benefits

VeneSat-1

PakSat-1R

TKSAT-13

* International program

Heritage

Program Launch Freq. Band Channels*Power (W)

DFH2 1984.04.081986.02.01 C 2 * 8

DFH-2A1988.03.071988.12.221990.02.04

C 4 * 10

DFH-3 1997.05.12 C 18 * 86 * 16

ChinaSat-22 2000.01.26UHF 6 * 25

C 7 * 20

ChinaSat-20 2003.11.15C 8 * 20

Ku 4 * 55

ChinaSat-22A 2006.09.13UHF 6 * 25

C 1 * 20Ka 2 * 60

Nigcomsat-1* 2007.05.14

L 2 * 62/45C 4 * 60

Ku 14 * 150Ka 8 * 70/50

Sinosat-3 2007.06.01 C 10 * 50

Nigcomsat-1R* 2011.12.20

L 2 * 62/45C 4 * 60

Ku 14 * 150Ka 8 * 70

Program Launch Freq. Band Channels*Power (W)

Tianlian I2008.04.252011.07.112012.07.25

S/Ka 1 * 50Ka/S 1 * 40Ka 5 * 50/20

Venesat-1* 2008.10.30C 14 * 60

Ku 12 * 120Ka 2 * 50

Sinosat-6 2010.09.05S 1 * 120C 24 * 80

Ku 8 * 150

ChinaSat-20A 2010.11.25C 2 * 20

Ku 6 * 55

Paksat-1R* 2011.08.12C 12 * 40

Ku 18 * 100

Zhongxing-1A 2011.09.19UHF 6 * 25

C 1 * 20Ka 12 * 100

Zhongxing-2A 2012.05.26Ku 11 * 150/300Ka 6 * 100

Zhongxing-11 2013.05.02C 26*84

Ku 19*150

TKsat-1* 2013.12.21

C 2*60Ku 22*100/4*120

Ka 2*100

4

SINOSAT-6• Configuration

– Ku band, 8 * 150W – C band, 24 * 80W All channels can be switched between two beams– S band, 1 * 120W Can be switched to Ku band channel– 4 antenna Including 2 dual gridded antenna

• chiefly technique– C band pre-distortion IMUX– 13 channels C band OMUX– Dual grid antenna– Steep roll-off antenna

• Launched in Sep. 2010

Heritage

5

ZHONGXING-11

Heritage

Zhongxing-11

• Configuration

– Ku band, 19 channels (150W/Channel) 4 beams, 5 channels are switchable– C band, 26 channels (84W/channel) Standard/extended C band, dual polarization – 5 antenna (including 1 Steerable antenna)

• chiefly technique

– C-serial Bus, TWTA with Dual EPC– Matrix command and telemetry (HLC/LLC)– Ku band dielectric resonator IMUX– Wideband feed (4 ports, C band)– 16 channels C band OMUX

• Launched in May 2013

6

Typical Payload Performance

Frequency offset from center (MHz)

Flatness(dBp-p)

±10.0 0.6

±12.0 1.0

±14.0 1.2

±16.0 2.0

±18.0 2.4

Frequency offset from center (MHz)

Group delay (ns)

±0 5.0

±8.0 10.0

±12.0 25.0

±16.0 45

±18.0 88

Frequency offset from center (MHz)

Rejection (dB)

±22.0MHz±25.0MHz±30.0MHz

-20-30-50

C band 36MHz channel

7

C band 54MHz channel

Frequency offset from center (MHz)

Flatness(dBp-p)

±18.0 1.0

±27.0 2.4

Frequency offset from center (MHz)

Group delay (ns)

±18.0 30

±27.0 82

Frequency offset from center (MHz)

Rejection (dB)

±32.0MHz±37.5MHz±45.5MHz

-20-30-50

Typical Payload Performance

8

Ku band 36MHz channel

Frequency offset from center (MHz)

Flatness(dBp-p)

±12.0 1.0

±18.0 3.0

Frequency offset from center (MHz)

Group delay (ns)

±0 3.0

±9.0 10.0

±12.0 25.0

±16.0 45

±18.0 95

Frequency offset from center (MHz)

Rejection (dB)

±22.0MHz±25.0MHz±30.0MHz

-20-30-50

Typical Payload Performance

9

Ku band 54MHz channel

Frequency offset from center (MHz)

Flatness(dBp-p)

±18.0 1.0

±27.0 2.8

Frequency offset from center (MHz)

Group delay (ns)

±0 3.0

±13.0 10.0

±18.0 25.0±24.0 45±27.0 80

Frequency offset from center (MHz)

Rejection (dB)

±33.0MHz±38.0MHz±45.5MHz

-20-30-50

Typical Payload Performance

10

Multi narrow beams coverage to improve EIRP & G/T performance

Frequency reused with times to increase useful bandwidth and

communication capacity

Frequency isolation with beam isolation

Program under development: ChinaSat-16

Multi-Beam Payload

Stowed status Deployed status

11

ChinaSat-16A High Throughput Satellite at Ka band

3 gateway beams

26 user beams

Multi-Beam Payload

12

RTN Link FWD Link

50W TWTA6 channelsEIRP: 55dBWG/T:13dB/K

100W TWTA20 channelsEIRP: 59.5dBWG/T: 13dB/K

C/I: 15dB

Multi-Beam Payload

ChinaSat-16

13

For more information please contact: marketing@cast504.com