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Signal Specifications
33
Precis SD Instruction Manual
Signal Specifications
This chapter contains the specifications for the video and audio signals routed by the Precis SD system.
For information on cabling and wiring video and audio connectors, see “Attaching Inputs & Outputs” on
page 24.
Ultra-Wideband (500 MHz) Specifications
Sync Specifications
Ultra-Wideband (500 MHz) Signal Specifications
Parameter Conditions Value
Frequency Response ±3 dB to 500 MHz or better
Crosstalk (adjacent channel) f = 5 MHz <-60 dB
Signal to Noise Ratio (SNR) Vin = 0.7 V, 100 IRE >65 dB
Return Loss f = 5 MHz <-45 dB
Input Level (max.) ±1.25 V
Input Impedance 75 ohms
Output Level (max.) ±1.25 V
Output Impedance 75 ohms
Connectors BNC
Sync Signal Specifications
Parameter Conditions Value
Input Level (max.) ±5 V
Input Impedance (Hi-Z) 22 kohms
Output Level (max.) ±5 V
Output Impedance 75 ohms
Connectors BNC