T H I S D O C U M E N T I S T H E P R O P E R T Y O F X I C O M T E C H N O LO G Y . R E P R O D U C T I O N O R R E LE AS E WI T H O U T E XP R E S S P E R M I S S I O N I S S T R I C T LY P R O HI B I T E D.
XTD-400C, 5.85 – 6.425 GHz, RO1
Document No. 305-0386-201
REV 2
Page 2 of 11
1.0
SCOPE.
This specification is for a high power amplifier (TWTA) to be used in a satellite
ground station. The HPA is designed to operate outdoors.
2.0
APPLICABLE DOCUMENTS
3.0
SPECIFICATION.
The HPA shall be designed to the requirements of this specification per
the performance specifications of section 3.0 and tested to the ATP requirements of section
5.1 of this document
3.1
ELECTRICAL
3.1.1
Frequency
3.1.1.1
Frequency, Output
5.85 to 6.425 GHz
3.1.1.2
Frequency, Input
950 to 1525 MHz
3.1.2
Power
3.1.2.1
RF Output Power (P
rated
)
350 W
(55.4 dBm) min
Reference: TWT power of
400 W
(56.0 dBm) min
3.1.2.2
Reflected Power Protection
P
rated
–7 ± 0.5 dB
3.1.2.3
Maximum RF Drive Power
without damage
+10
dBm
3.1.2.4
10 MHz Reference Power
0 ± 5
dBm
3.1.3
Gain, Large Signal
70
dB min
3.1.4
Gain, Small Signal
75
dB min
3.1.5
Gain variation, SSG
3.1.5.1
Over any 40 MHz band
1.3
dB/40 MHz max
3.1.5.2
Over any 575 MHz band
3.2
dB/575 MHz max
3.1.5.3
Gain slope
± 0.04
dB/MHz max
3.1.5.4
Gain stability over temperature
2
dB@any frequency
3.1.5.5
Gain stability over Time
0.5
dB/24 hrs
3.1.6
Gain Control
25
dB min
3.1.7
Intermodulation with 2
equal carriers at TOPBO = -4 dB
-18
dBc max
3.1.8
Harmonic Output
-60
dBc max
3.1.9
AM to PM conversion
2.5
deg/dB max at 6 dB below
rated power
EAR EXPORT CONTROLLED: The information contained in this Manual refers or relates to a product that is subject
to the U.S. Export Administration Regulations (EAR). Transfer of data herein by any means to a Foreign Person,
whether in the U.S. or abroad, may require an export license from the U.S. Department of Commerce.
