1-4
General Description
XT-50, XT-80, and XT-100 Amplifiers
Table 1-3
X-Band Performance Specifications
Parameter
XT-50X Specifications
XT-100X Specifications
FREQUENCY RANGE
7.90 GHz to 8.40 GHz
7.90 GHz to 8.40 GHz
OUTPUT POWER, TWT
@ Amplifier Flange
55 Watts
50 Watts
140 Watts
125 Watts
GAIN, Small Signal, Minimum
53 dB
46 dB
GAIN, Large Signal, Minimum
49 dB
40 dB
GAIN VARIATION, SSG
Narrow Band, Maximum
Full Band, Maximum
1.3 dB over any 40 MHz band
2.5 dB
1.0 dB over any 40 MHz band
2.5 dB
GAIN SLOPE, Maximum
±
0.04 dB/MHz
±
0.04 dB/MHz
GAIN STABILITY IN ANY 24
HOUR PERIOD, Maximum
±
0.25 dB
±
0.25 dB
GAIN STABILITY OVER
TEMPERATURE
±
1.0 dB maximum over operating
temperature range at any frequency
±
1.0 dB maximum over operating
temperature range at any frequency
INTERMODULATION WITH
TWO EQUAL SIGNALS
-18 dBc maximum with two equal carriers
at 4 dB total output backoff
-18 dBc maximum with two equal
carriers at 4 dB total output backoff
HARMONIC OUTPUT,
Maximum
-60 dBc
-60 dBc
AM TO PM CONVERSION,
Maximum
2.5
°
/dB at 6 dB below rated power
2.5
°
/dB at 6 dB below rated power
NOISE POWER
Transmit Band, Maximum
Receive Band, Maximum
-70 dBw/4 KHz
-70 dBw/4 KHz
7.25 - 7.75 GHz
-80 dBw/4 KHz
-80 dBw/4 KHz
7.25 - 7.75 GHz
GROUP DELAY, Maximum
Bandwidth
Linear
Parabolic
Ripple
Any 40 MHz
0.01 nS/MHz
0.005 nS/MHz2
0.5 nS/Pk-Pk
Any 40 MHz
0.01 nS/MHz
0.005 nS/MHz2
0.5 nS/Pk-Pk
RESIDUAL AM NOISE,
Maximum
-50 dBc to 10 KHz
-20 (1.5+logf) dBc 10 to 500 KHz
-85 dBc above 500 KHz
-50 dBc to 10 KHz
-20 (1.5+logf) dBc 10 to 500 KHz
-85 dBc above 500 KHz
PHASE NOISE, Maximum
10 dB below IESS phase noise profile
AC fundamental -50 dBc
Sum of all spurs -47 dBc
10 dB below IESS phase noise profile
AC fundamental -50 dBc
Sum of all spurs -47 dBc
VSWR, Maximum
Input
Output
1.3:1
2.2:1
1.3:1
2.2:1