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SFDC-A Series Multi-Octave Downconverter belongs to our microwave downconverter series that has a high performance and an octave overage by RF signal. Its frequency step is precise and accurate to 10Hz with a variety of IF and signal bandwidth choices. This series of converter is mainly used for electronic countermeasure system and communication system. Its excellent phase noise, clutter suppression, and in-band flatness data can provide a transparent RF transmission channel to all videos or data communications. All programming commands can be set through a local panel or through network remotely. SPUC-A Series Microwave Downconverter is available in both 2U and 4U sizes.
SFUC-A Series Multi-Octave Downconverter belongs to our microwave downconverter series that has a high performance and an octave overage by RF signal. Its frequency step is precise and accurate to 10Hz with a variety of IF and signal bandwidth choices. This series of converter is mainly used for electronic countermeasure system, and communication system. Its excellent phase noise, clutter suppression, and in-band flatness data can provide a transparent RF transmission channel to all videos or data communications. All programming commands can be set through a local panel or through network remotely. SPUC-A Series Microwave Downconverter is available in both 2U and 4U sizes.
Specifications of SFDC-A Series Multi-Octave Downconverter |
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SFDC20A |
SFDC26A |
SFDC40A |
SFDC50A |
SFDC67A |
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Input Characteristics |
Input Frequency Range |
0.5~20GHz |
0.5~26.5GHz |
0.5~40GHz |
0.5~50GHz |
0.5~67GHz |
Frequency Tuning Step Size |
10Hz |
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Maximum Input of Signal Power |
-30dBm(operating) +10dBm(danaged) (+5dBm operating, ATT35support) |
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Input LO Leakage |
≤-80dBm |
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Input VSWR |
≤2.5 |
≤2.5 |
≤2.5 |
≤2.5 |
≤2.5 |
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Input Impedance |
50Ω |
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Output Characteristics |
Output Frequency |
70±20MHz,140±40MHz,0.72±0.25GHz,1.2±0.25GHz,1.2±0.5GHz, 1.8±1GHz(Select between single or multiple IF Input) |
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P-1 dB Compression Point |
≥+13dBm |
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IM3 Output |
≤-60dBc (△5MHz, Maximum gain, Power output:2*-10dBm) |
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Output Impedance |
50Ω |
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Output VSWR |
≤1.4 |
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Transfer Characteristics |
Gain |
10~45dB |
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Tunning Step Size |
0.1dB |
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Programming Resolution |
≤±1dB |
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Level Stability |
≤±0.5dB p-p maximum/day at room temperature |
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Gain Flatness/Signal Bandwidth |
≤±0.3dB/40MHz, ≤±0.5dB/80MHz, ≤±1dB/500MHz, ≤±1.5dB/1000MHz, ≤±2dB/2000MHz |
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IF Inband Frequency Clutter/Signal Related |
<-55dBc (0dBm output, excluding IF output harmonics) |
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IF Shutdown Feature |
≥80dB |
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Noise Figure(Maximum Gain) |
≤12dB |
≤12dB |
≤18dB |
≤18dB |
≤18dB |
|
Image Rejection |
≤-60dBc |
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Phase Noise (dBc/Hz) |
≤-50@10Hz |
≤-50@10Hz |
≤-50@10Hz |
≤-50@10Hz |
≤-50@10Hz |
|
≤-80@100Hz |
≤-80@100Hz |
≤-75@100Hz |
≤-75@100Hz |
≤-75@100Hz |
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≤-95@1KHz |
≤-95@1KHz |
≤-95@1KHz |
≤-95@1KHz |
≤-95@1KHz |
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≤-102@10KHz |
≤-102 @10KHz |
≤-100@10KHz |
≤-100@10KHz |
≤-100@10KHz |
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≤-102@100KHz |
≤-102@100KHz |
≤-100@100KHz |
≤-100@100KHz |
≤-100@100KHz |
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≤-108@1MHz |
≤-108 @1MHz |
≤-105@1MHz |
≤-105 @1MHz |
≤-105 @1MHz |
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Reference Characteristics |
Internal Reference Frequency Stablity |
±2e-8 (0℃~+50℃, after 30min power on) |
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Internal Reference Frequency Accuracy |
0.05ppm |
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Internal Reference Power Output |
5±2dBm,50Ω,10MHz,Sine wave |
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External Reference Power Input |
5±2dBm,50Ω,10MHz,Sine wave |
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Reference Phase Noise |
≤-125dBc/Hz@10Hz |
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≤-140dBc/Hz@100Hz |
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≤-150dBc/Hz@1KHz |
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≤-155dBc/Hz@10KHz |
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≤-155dBc/Hz@100KHz |
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Physical Characteristics |
Input and Output Ports |
RF Input: 2.92mm K-KFD |
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IF Output: SMA-KFD |
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I/Q Output: SMA-KFD |
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External Reference Input: BNC female |
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Internal Reference Output: BNC female W |
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External Pulse Modulation Input: BNC female |
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Internal Pulse Modulation Output: BNC female |
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Control Interface |
RJ-45(TCP/IP over Ethernet )/RS422 |
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Power Supply |
AC,176~264VAC,45Hz~65Hz,Power consumption 140W |
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Overall Dimensions/Weight |
SFDC12A/SFDC20A 为2U:483mm*90mm*550mm 15Kg |
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SFDC26A/SFDC40A/SFDC50A 为4U:483mm*180mm*550mm 25Kg |
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Environment |
Operating |
Temperature: 0℃~+50℃ |
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Humidty: Up to 95% @30°C, Noncondensing |
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Height: 3000 meters |
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Nonoperating |
Temperature: -30℃~+70℃ |
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Humidty: Up to 95% @40°C, Noncondesing |
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Height: 12000 meters |
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Shock and Vibration: Regular road transport/air transport |
Accessory Information of SFDC-A Series Multi-Octave Downconverter |
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Name |
Model |
Description |
RF Input Range |
SFDC20A |
RF Input 0.5-20GHz |
SFDC26A |
RF Input 0.5-26.5GHz |
|
SFDC40A |
RF Input 0.5-40GHz |
|
SFDC50A |
RF Input 0.5-50GHz |
|
SFDC67A |
RF Input 0.5-67GHz |
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IF/BW IF/Bandwidth
|
SFDC-MA |
IF Output 70±20MHz |
SFDC-MB |
IF Output 140±40MHz |
|
SFDC-MC |
IF Output 0.72±0.25GHz |
|
SFDC-MD |
IF Output 1.2±0.25GHz |
|
SFDC-ME |
IF Output 1.2±0.5GHz |
|
SFDC-MF |
IF Output 1.8±1GHz |
|
SFDC-MG |
IF Output 1.8±1GHz |
|
IQ Baseband Input |
SFDC-IQ |
IQ Baseband Input |
Pulse Modulation P |
SFDC-P |
P Pulse Modulation |
ATT35 |
SFDC-ATT35 |
Maximum input of signal power increased from -30dBm to +5dBm |