beautypg.com

Appendix a ltt1450g technical specifications – Comtech EF Data LTT1450G User Manual

Page 35

background image

LTT1450G Ku-Band Loop Test Translator

Technical Specifications

TM063 - Rev. 1

A-1

Appendix A

LTT1450G Technical Specifications

A.1

Introduction

Performance Specifications for the Model LTT1450G Ku-Band Loop Test Translator are as follows:

Input Frequency….......................................... 14.00 to 14.50 GHz

Output Frequency…....................................... 10.95 to 12.75 GHz in the following bands:

Plan A

Local Osc. Plan B

Local Osc. Plan C LO

DOMESTIC

11.7 - 12.2 GHz

2.30 GHz Same

2.3 GHz

INTELSAT LB

10.95 - 11.20 GHz

3.05 GHz 10.95-11.45 GHz

3.05 GHz 3.05 GHz

INTELSAT HB

11.45 - 11.7 GHz

2.80 GHz 11.45-11.95 GHz 2.55 GHz 2.8 GHz

AUSAT/EUTELSAT

12.25 - 12.75 GHz

1.75 GHz Same

1.5 GHz

Input/Output Return Loss.......................... >18 dB

Conversion Gain....................................... -15 dB to -54 dB Continuously Variable

(0-39 dB Attenuation Standard)

-15 to to -74 dB (0-59 dB attenuation with Option 02)

Gain Ripple...............................................

±

-1.0 dB/500 MHz

±

0.20 dB/36 MHz

Input 1 dB Compression............................ +7 dBm minimum

Third Order Intercept................................. +18 dBm minimum

Image Rejection......................................... 65 dB minimum

Input to Output Isolation............................ 40 dB minimum, 60 dB typical

Group Delay Distortion:

Linear ................................................. <0.010 nanoseconds/MHz

Parabolic.............................................. <0 .0002 nanoseconds/MHz

2

Ripple ................................................. <1.5 nanoseconds p-p

Spurious (in selected band)

Input Signal Related ................................ <-60 dBc

LO Related .............................................. <-85 dBm

LO harmonics (out of selected band)........ -50 dBm @ 0 dB attenuation

Phase Noise: (Maximums all LOs)

10 HZ offset.........................................

-58 dBc

100 Hz offset........................................

-72 dBc

1 KHz offset.......................................

-96 dBc

10 KHz offset......................................

-105 dBc

100 KHz offset.....................................

-110 dBc

This manual is related to the following products: