Comtech EF Data SFC4200 - Manual (Page 64)

Technical Specifications SFC4200/SFC1275G Synthesized Frequency Downconverter
7-2 TM054 – Rev. 4.0
SFC1275G Third Order Intercept: +30 dBm -48 dBc IMD two tones with 0 dBm combined
output power
AM/PM Conversion: 0.1
°
/dB
Image Rejection: > 80 dB
Group delay:
Linear:
0.025 nsec/MHz
Parabolic: 0.005 Nsec/MHz
2
Ripple: 1 nsec p-p for
±
18 MHz
7.4 Frequency Synthesizer
Resolution: 125 kHz Step Size
Accuracy:
±
5 x 10
-9
After 20 Minutes
Stability:
±
5 x 10
-9
Over Temperature (0 to 50
°
C)
5 x 10
10
/24 hours
7.5 Single Side Band Phase Noise
Offset Standard SFC4200 Standard SFC1275G
10 Hz: -50 dBc/Hz -50 dBc/Hz
100 Hz: -70 dBc/Hz -60 dBc/Hz
1 kHz: -80 dBc/Hz -80 dBc/Hz
10 kHz: -88 dBc/Hz -84 dBc/Hz
100 kHz: -95 dBc/Hz -94 dBc/Hz
1 MHz: -110 dBc/Hz -110 dBc/Hz
External Reference:
(5 MHz Optional)
7.6 Rx Signal Strength Detection
SFC4200 Sensitivity (TSS): 80 dBm @ 40 dB Gain Referenced to the RF Input
Connector
-40 dBm @ 0 dB Gain Referenced to the RF Input
Connector
SFC1275G Sensitivity (TSS): 80 dBm @ 40 dB Gain Referenced to the RF Input
Connector
-40 dBm @ 0 dB Gain Referenced to the RF Input
Connector
Dynamic Range: 30 dB @ Any Gain Setting
Absolute Accuracy:
±
3 dB
Relative Accuracy:
±
1 dB LCD Display,
±
0.2 dB (8-Bit Serial Data)
Maximum Detectable Signal: -20 dBm Referenced to RF Port @ 10 dB Gain
-10 dBm Referenced to IF Output Port
(IF Power – Gain = Rx Signal)
7.7 Mechanical
Size: 19" x 1.73" x 21" Deep
Weight: 12 lb.
Primary Power: 100 - 240 VAC, 50 - 60 Hz, 1.0 A
Power Consumption: 50 Watts