Sencore SMD 989 - Page 101

SMD 989– User Manual
Page 101 (105)
SMD 920 L-Band Output Option
In Addition to the SMD 910 or 912 Specifications when installed
Primary L-Band Output –
Connector: (1) SMA, female
Impedance: 50 ohms
Min Level: -30 dBm
Max Level: +5 dBm
Level Adjustability: 0.1 dB increments
Min Frequency: 950 MHz
Max Frequency: 2,150 MHz
Frequency Adjustability: 1 kHz steps
Frequency Stability: +/-5x10
-8
over operational temp range
Frequency Accuracy: +/-3.5 kHz (IESS-308 Compliance)
Power Stability: +/-0.5 dB over 24 hrs.
Power Accuracy: +/-2 dB
Return Loss: >15 dB
Spurious Performance -50 dBc @ -10 dBm (SMD 910)
Spurious Performance -58 dBc @ -10 dBm (SMD 912(A))
Monitoring L-Band Output –
Secondary Output Connector: (1) SMA, female
Level: -20 dBc
Return Loss: >15 dB
IF Input –
Input Connector: (1) BNC female
Input Impedance: 75 ohms
Input Frequency: Auto detect @ 70 or 140 MHz
Return Loss: >20 dB
SMD 940 10MHz on L-Band Output Option
In Addition to the SMD 920 Specifications
Frequency Accuracy +/- 0.6ppm with +/- 0.25ppm per year
Level 5dBm
Level accuracy +/-2 dB
SMD 942 24VDC BUC Power with 10MHz on L-Band Output Option
In Addition to the SMD 940 Specifications
24VDC Accuracy +/-5%
SMD 944 48VDC BUC Power with 10MHz on L-Band Output Option
In Addition to the SMD 940 Specifications
48VDC Accuracy +/-5%
Specifications are subject to change without notice.