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James McGonigal
Executive
Scottish Space
Systems Symposium
22nd June 2010
Raytheon
Copyright © 2008 Raytheon Company. All rights reserved.
Customer
Success
Is
Our
Mission is a registered trademark of Raytheon Company.
Competition Sensitive
GEO and MEO Spacecraft Experience in
Raytheon (Scotland)
Classic 601
Classic 601 (Gov’t)
601 HP
HS 376
Apstar II
Astra 1E
Astra 1F
DBS 1
DBS 2
DBS 3
JCSat 3
JCSat 4
JCSat 5
JCSat 6
JCSat 7
JCSat 8
Palapa C1
Palapa C2
Gen 1C
Gen 2C
PanamSat K1
PanamSat K2
PanamSat K3
PanamSat K4
Solidaridad J1
Solidaridad J2
Superbird 4
Superbird 6
TDRS H
TDRS I
TDRS J
UHF F3
UHF F4
UHF F5
UHF F6
UHF F7
Polar EHF
UHF (GBS) F8
UHF (GBS) F9
UHF (GBS) F10
UHF F11
Odin F1
Odin F2
Asiasat 3
Asiasat 3S
Asiasat 4
Astra 2C
Newscorp N1
Asiasat 3
Astra 1G
Astra 2A
Galaxy 8I
PAS 5
PAS 6B
Astra 1H
Galaxy VIII
Morellos (SatMex)
Orion 3
DTV-1R
DTV-4S
Galaxy IVR (PasDom 2)
Galaxy XR (PasDom 1)
PAS 10
Galaxy 8iR
Galaxy XIII
PasDom 3
MEASAT
Brasilsat 4
Commercial in Confidence
HS702
Anik F1
Galaxy IIIC
ICO F2
ICO F3
ICO F4
ICO F5
ICO F6
ICO F7
ICO F8
ICO F9
ICO F10
ICO F11
ICO F12
PAS 1R (PAS 9)
Thuraya 1
XM1
XM2
XM3
XM4
Spaceway F1
Spaceway F2
WGS F1
WGS F2
WGS F3
Thuraya D3
ISP F1
ISP F2
ISP F3
STP F2
STP F3
STP F4
STP F5
WHR5
PH54
Page 2
What is Manufactured Right Here in
Scotland ?
Spacecraft Family 1
Spacecraft Family 2
Spacecraft Family 3
Spacecraft Family 4
Discharge Modules
Bus PDU
Propulsion PDU
Heater PDU
Battery Charge Controller
Bus Voltage Limiter
Modular Battery Discharge Ctrl
Squib Driver Unit
Valve Driver Unit
SCP Power Supply
SCP Processor
SCP Interface
CDU Core
CDU Power Supply
CDU Demodulator
CDU SWSI
TEU Power Supply
TEU Multiplexer
TEU Logic
Bus PDU
Payload PDU
Battery Power Controller
Bus Voltage Limiter
PPU Slices
Valve Driver Unit
SCP Power Supply
SCP Processor
SCP Interface
CDU Core
CDU Power Supply
CDU Demodulator
CDU SWSI
TEU Power Supply
TEU Multiplexer
TEU Logic
Bus PDU
Payload PDU
IPC BVC Modules
IPC MM Subassemblies
BRU Subassemblies
150W Drain Power Supplies
Visual Presentation Only
In some platforms virtually all the spacecraft electrical systems
Commercial in Confidence
Page 3
When Was Our First Scottish
Involvement in Space ?
Flight International 20th September 1962
Glenrothes Festival Week 1963
Hughes Glenrothes Syncom Float
Commercial in Confidence
Page 4
What Else Have We Developed in
Scotland Which Has Flown ?

Power distribution for
experiment bays on
the International
Space Station

Space grade control
and signal processing
hybrid modules and
power modules
Commercial in Confidence
Page 5
What Else Are We Developing With Potential
Relevance to Space ?

High (Extreme) Temperature
Silicon Carbide Electronics
–
–
–
>300°C (to 450°C) SiC CMOS IC platform
Sensors and control electronics
SiC integrated power modules

–
Intelligent
Intelligent
Power
Power Module
Module
High
High power
power
Inverters
Inverters and
and
DC/DCs
DC/DCs
High
High Efficiency
Efficiency
Power
Power Electronics
Electronics
HiTSiC
HiTSiC
IC
IC Platform
Platform
Complementary to SiC power devices
Down
Down Hole
Hole
Electronics
Electronics
Grant funded under UK Materials for
Energy programme
Automotive
Automotive
Sensors
Sensors
Wide bandgap semiconductors
p-channel SiCare
FET inherently highly
Measured
Data
radiation
tolerant and even
Rad Hard with some
development
Industrial
Industrial
Sensors
Sensors
Aerospace
Aerospace
Electronics
Electronics
n+/p- Diode Reverse Breakdown
n-channel SiC FET
-100
4.E-04
4.E-04
3.E-04
3.E-04
2.E-04
2.E-04
1.E-04
5.E-05
0.E+00
1.6E-04
1.4E-04
-80
-60
1.00E-03
-40
-20
1.0E-04
8.0E-05
6.0E-05
1.00E-04
0
1.00E-05
1.00E-06
Current/A
1.2E-04
Ids (A)
Ids (A)
Measured Data
1.00E-07
I (25°C)
I (150°C)
1.00E-08
4.0E-05
1.00E-09
2.0E-05
1.00E-10
I (300°C)
0.0E+00
0
5
10
15
20
0
5
10
15
1.00E-11
20
Visual Presentation Only
Vds (v)
Vds (V)
1.00E-12
Voltage/V
Vds vs. Ids L= 2.0, W = 20 µm
Vgs steps from 5V to 15V in 2.5V steps
Mobility approx = 9 cm2/(V.s)
Source/drain breakdown voltage > 30V
Vds vs. Ids L= 1.5, W = 20 µm
Vgs steps from 5V to 15V in 2.5V steps
Mobility approx = 5 cm2/(V.s)
Source/drain breakdown voltage > 30V
Commercial in Confidence
Source : RSL
Page 6
Space Market

Is Space a core market for our UK business ?
– No

Are we targeting Space opportunities
– Not really

Should we ?
– It’s a heck of a legacy
Commercial in Confidence
Page 7