F D C 3 3 0 0 U s e r M a n u a l
27
"Smarter Timing Solutions"
Appendix
D
Specifications
Reference Inputs (A or B):
Frequency Range: 10 kHz to 10 MHz.
Impedance: 50Ω, SWR < 1.1.
Amplitude: +13 dBm Full Performance, 0 dBm ±2 dBm minimum, +19 dBm maximum.
A Input to B Input Isolation: < -90 dB, full frequency range.
Output to Input (Reverse) Isolation: < -110 dB, full frequency range.
Protection: Protected to 24V peak-to-peak.
Connectors: Rear-panel female BNCs labeled “Signal In”.
Distribution Outputs (1 through 10):
Impedance: 50Ω, SWR: < 1.3.
Unity Gain: 0 dB, +/-1 dB.
Harmonics: < -45 dBc
Spurious: < -90 dBc.
Adjacent Output to Output Isolation: > 70 dB.
Protection: Outputs may be shorted to ground with no damage.
Connectors: Rear-panel female BNCs numbered 1 through 10.
External Alarm Input/Disable Inputs (A or B):
Normal State: TTL low.
Alarm State: TTL high or high Z (internal 10kΩ pull-up).
Connectors: Rear-panel female BNCs labeled “Disable In”.
Alarm Output:
Open-collector, 40 VDC Max, 100 mA Max Saturation Current.
High Impedance when any fault condition exists.
Connector: Rear-panel female BNC labeled “Alarm Out”.
Front-Panel System Status Indicators:
Signal Input LEDs: Red/Green/Yellow LEDs indicate signal presence, selection status of each Signal
Input and, if configured, Disable Input (external alarm input) status.
Signal Output LEDs: Red/Green/Yellow LEDs indicate signal presence status on each output.
Power LEDs: Red/Green/Yellow LEDs indicate power supply status of each power input.
Alarm LED: Red/Green/Yellow LED indicates a serious fault condition.
Maintenance Port:
See
RS-232 Serial I/O Port Signal Definitions
in
Chapter 3
for more information.
RS-232 serial I/O on rear panel DB9M jack for secure, local terminal access.
User-Selectable Parameters: 9600 to 57600 baud,
7 or 8 data bits,
odd, even or no parity,
1 or 2 stop bits
Summary of Contents for FDC3300
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