Comtech EF Data SFC4200 - Manual (Page 63)

SFC4200/SFC1275G Synthesized Frequency Downconverter Technical Specifications
TM054 - Rev. 4.0 7-1
Section 7 - Technical Specifications
7.0 Introduction
This section defines the technical performance parameters and specifications for the SFC
Synthesized Frequency Downconverters
7.1 Input Characteristics
SFC4200 Frequency: 3.625 – 4.20 GHz Standard
3.40 – 4.20 GHz Extended Band (Optional)
SFC1275G Frequency: 10.95 – 12.75
Impedance: 50Ù
SFC4200 Return Loss:
≥
20 dB
SFC1275G Return Loss:
≥
19 dB
Input Dynamic Range: -25 dBm Aggregate Signal Power to –110 dBm Carrier
Level
SFC4200 Connector: N-Type F
SFC1275G Connector: SMA-Type F
7.2 Output Characteristics
Frequency: 70 MHz
±
18 MHz Standard
140 MHz
±
36 MHz Extended Band (Optional)
Impedance: 75Ù
Return Loss:
≥
23 dB
P1 dBm Output: +19 dBm
Note: Performance specifications guaranteed at nominal levels only.
Connector: BNC Type F
7.3 Transfer Characteristics
Type: Double-Conversion, No Spectral Inversion
Gain: 40 dB Maximum @ 0 dB Total Attenuation (Options to
60 dB)
Gain Control: 40 dB, 0.1 dB Increments (0 dB to 40 dB Conversion
Gain)
SFC4200 Gain Ripple:
±
0.25 dB/36 MHz Typical
±
0.50 dB/76 MHz
SFC1275G Gain Ripple:
±
0.50 dB/36 MHz typical
±
0.75 dB Maximum
Gain Slope:
±
0.05 dB/MHz
Gain Stability:
±
0.25 dB/24 hr.,
±
1.0 dB, 0 to 50
°
C
Noise Figure: 12 dB Maximum
SFC4200 Spurious: -80 dBm LO Related Spurious (In-Band) at Minimum
Attenuation (+5 dBm out)
-60 dBc Signal Related Spurious (In-Band) at Minimum
Attenuation
SFC1275G Spurious: -80 dBm LO Related Spurious (In-Band) at Minimum
Attenuation (+5 dBm out)
-50 dBc Signal Related Spurious (In-Band) at Minimum
Attenuation
Line Frequency Spurious: < -50 dBc @ 60 Hz
SFC4200 Third Order Intercept: +30 dBm -60 dBc IMD Two Tones with 0 dBm
Combined Output Power