Salient_Characteristics.docx

Requirements for Satellite Link Emulator

1. RT Logic T400CS Dual-Channel L-Band 85-MHz BW Satellite Link Emulator, or equivalent

a. Quantity: One (1)

b. Channels: Two independent channels of satellite link emulation

i. Channels independently tuned to different L-band frequencies

c. Frequency Band: L-Band Input/Output

i. Frequency Range: 950-2000 MHz (min)

ii. Integrated L-Band to IF Converters if required by digitizer

d. Satellite Link Emulation Characteristics:

i. IF Satellite Emulation Bandwidth: 72 MHz per channel (min), with less than 1dB magnitude variation across the bandwidth

ii. Delay: variable from 10 s to 1 second (min), 1-ns max step size

iii. Doppler Shift: variable from 0 Hz to 1 MHz (min), 25-mHz max step size

iv. Attenuation: variable from 0 dB to 40 dB (min), 0.1-dB max step size

v. ADC and DAC Digitization: at least 12 bits (minimum digital resolution)

e. Modes of Operation:

i. Static: Fixed link characteristics (delay, Doppler shift, attenuation)

ii. Dynamic: Supports interface wherein dynamic link characteristics (delay, Doppler shift, attenuation) can be driven by System Took Kit (STK) in real time

f. RF Interface: 50-ohm Coax Connector (SMA, N-Type or BNC)

g. User Interface:

i. Front-Panel control acceptable

ii. Graphical User Interface (GUI) acceptable

iii. Ethernet / RJ-45 Remote Control Interface

h. Electrical & Mechanical:

i. 4U Rack-Mount (max), 2U Rack-Mount

ii. 120-V AC Prime Power