Comtech EF Data DT-4500-A Series - Manual (Page 40)

DT-4500A Series Downconverters Revision 1
Introduction MN-DT4500A
1–16
1.4.5 DT-4513-A, /E-A Ku-Band Downconverters
Characteristic Specification
Frequency Range DT-4513-A 10.95-12.75 GHz
DT-4513/E-A 10.70-12.75 GHz
Conversion Dual, No Inversion
Step Size 125 kHz standard, 1kHz optional
Preset Channels 32 Frequencies
Stability over Time ± 1 x 10 -9 /Day
Stability Over Temp ± 1 x 10 -8 0-50°C (32-122°F)
RF Input Noise Figure 11 dB Maximum at 0 dB Attenuation
Level -45 dBm Typical
Impedance 50Ω
Return Loss 20 dB min. with RF/IF Connector Module
IF Output Output Level +20 dBm at 1 dB Compression
Range 52-88 or 104-176 MHz
Intermodulation -60 dBc @ 0 dBm Output SCL
Non-carrier Spurious -80 dBm
Carrier Spurious -65 dBc @ 0 dBm Output
Return Loss 23 dB Minimum with IO Module
Impedance 50Ω or 75Ω
Transfer Gain 45 dB ± 2 dB
Attenuation Adjust 0-20 in 0.25 dB Steps
0.1 dB Steps Optional
Gain Stability ± 0.25 dB/Day
Ripple 70MHz IFCF: ±0.25 dB (±18 MHz)
140 MHz IFCF: 0.75 dB (±36 MHz)
Slope 0.05 dB/MHz
Image Rejection -80 dB Inband
AM to PM 0.1 o . / dB for Output up to –5 dBm
External Reference Input 5 or 10 MHz @ +3 dBm
Optional 10 MHz Rear Panel Reference Output
Group Delay Linear Group Delay 0.03 ns/MHz
Parabolic Delay 0.01 ns/MHz 2
Group Delay Ripple 1.0 ns Peak-to-Peak
Phase Noise Parameter Limit (dBc/Hz) Typical (dBc/Hz)
100 Hz -66 -69
1 kHz -76 -79
10 kHz -86 -89
100 kHz -96 -99
1 MHz -106 -109
Remote Control (Rear Panel) Comm Port EIA-485 or EIA-232
LED Indicators
(Front Panel)
Power On Green LED
Receive Yellow LED
Remote Yellow LED
On Line Yellow LED
Fault Red LED
Stored Fault Red LED