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Rft specification, 8 rft specification – Comtech EF Data HPCST-5000 User Manual

Page 37

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High Power C-Band Satellite Terminal

Introduction

Rev. 0

1–21

1.8 RFT

Specification

Refer to Table 1-12 for RFT-500 specifications.

Table 1-12. RFT-500 Specifications

Transmit Characteristics

Output Frequency (No Inversion)

5.845 to 6.425 GHz

Input Frequency

70

#

18 MHz

140

# 36 MHz (optional)

Output Power at 1 dB compression

+8 dBm

Third Order Intercept

+18 dBm (for +8 dBm)

Nominal Small Signal Gain

26 dB (for +8 dBm)

Gain Adjust Range

0 to 25 dB, in 0.5 dB steps

Gain Variation:

Over 36 MHz
Over 36 MHz, Temperature and Aging

#

1 dB maximum

#

2 dB maximum

Noise Figure:

Maximum Attenuation
Minimum Attenuation

23 dB maximum
15 dB maximum

Group Delay (any 36 MHz):

Linear
Parabolic
Ripple

% 30 ns
0.28 ns/MHz
0.15 ns/MHz

2

% 1 ns P-P

Synthesizer Step Size

2.5 MHz (optional 125 kHz)

Phase Noise (SSB) at:

10 Hz

100 Hz

1 kHz

10 kHz

100 kHz

-30 dBc/Hz
-60 dBc/Hz
-70 dBc/Hz
-75 dBc/Hz
-80 dBc/Hz

Or

% 2.8! rms (DSB)

integrated 10 Hz to
1 MHz

Frequency Stability:

Annual at 23

!

C

Over Temperature
After 30 Minutes Warm-up
Electrical Adjustment

#

1 x 10

-7

#

1 x 10

-8

(-40

!

to +55

!

C) (-40

!

to +131

!

F)

#

1 x 10

-8

0.5 x 10

-7

Isolation on Fault Shutdown

-60 dBc minimum

Spurious:

< 250 kHz Carrier Offset
> 250 kHz Carrier Offset

-35 dBc maximum
-50 dBc maximum

RF Output VSWR

1.5:1 at 50

$

RF Output Connector

N-Type female

IF Input VSWR

1.5:1 at 50

$

IF Input Connector

TNC female