Comtech EF Data XTD-400C Operation And Installation Manual page 98

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
3.1.1.2 Frequency, Input
3.1.2 Power
3.1.2.1 RF Output Power (P
Reference: TWT power of
3.1.2.2 Reflected Power Protection
3.1.2.3 Maximum RF Drive Power
3.1.2.4 10 MHz Reference Power
3.1.3 Gain, Large Signal
3.1.4 Gain, Small Signal
3.1.5 Gain variation, SSG
3.1.5.1 Over any 40 MHz band
3.1.5.2 Over any 575 MHz band
3.1.5.3 Gain slope
3.1.5.4 Gain stability over temperature
3.1.5.5 Gain stability over Time
3.1.6 Gain Control
3.1.7 Intermodulation with 2
equal carriers at TOPBO = -4 dB
3.1.8 Harmonic Output
3.1.9 AM to PM conversion
T HI S DOCUME NT I S T HE P ROP E RT Y OF XI COM T E CHNOLOGY. RE P RODUCT I ON OR RE LE AS E WI T HOUT E XP RE S S P E RMI S S I ON I S S T RI CT LY P ROHI BI T E D.
XTD-400C, 5.85 – 6.425 GHz, RO1
Document No. 305-0386-201
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.
)
rated
without damage
5.85 to 6.425 GHz
950 to 1525 MHz
350 W (55.4 dBm) min
400 W (56.0 dBm) min
P –7 ± 0.5 dB
rated
+10 dBm
0 ± 5 dBm
70 dB min
75 dB min
1.3 dB/40 MHz max
3.2 dB/575 MHz max
± 0.04 dB/MHz max
2 dB@any frequency
0.5 dB/24 hrs
25 dB min
-18 dBc max
-60 dBc max
2.5 deg/dB max at 6 dB below
rated power
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