APPENDIX A: ST-500 TRANSCEIVER SPECIFICATIONS
Page A-2
ST-500 INSTALLATION GUIDE
A.3
Collision Detector Specification
Delay Time (Input to Output):
Start-Up
Steady-State
150 ns
26.9 ns
175 ns
30.1 ns
Signal Spectrum Harmonic:
Second and Third
Fourth and Fifth
Sixth and Seventh
Higher
-24.2 dB
-35.7 dB
-56.3 dB
-55.4 dB
-19.3 dB
-32.0 dB
-48.3 dB
-52.3 dB
Input Impedance:
Differential
Common-mode
80.3
Ω
> 20.0
Ω
79.4 to 81.0
Ω
Frequency Range:
Common-mode
Voltage Range
at Input
2 to 30 MHz
0 to 30 Volts
2 to 30 MHz
0 to 5 Volts
Differential Input
Voltage Required for
Operation:
+/- 90 mV
+/- 150 mV
Item
Typical
Value
Worst Case
Turn-On Delay:
806 ns
691 to 864 ns
Output Frequency:
10.2 MHz
9.5 to10.8 MHz
Turn-Off Delay:
500 ns
2000 ns
Item
Typical
Value
Worst Case
