Signal Types & Specifications
33
Precis HT Instruction Manual
Signal Types & Specifications
This chapter contains the specifications for the video and audio signals routed by the Precis HT system.
For information on cabling and wiring video and audio connectors, see “Attaching Inputs & Outputs” on
page 22.
Wideband Video Specifications
Standard Audio Specifications
* Total of input gain plus output gain cannot 10 dB.
Wideband Signal Specifications
Parameter
Conditions
Value
Frequency Response
1 to All
±3 dB to 300 MHz or better
Crosstalk
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.)
±1.5 V
Input Impedance
75 ohms
Output Level (max.)
±1.5 V
Output Impedance
75 ohms
HV Sync Frequency
±3 dB to 50 MHz or better
HV Sync Crosstalk
f = 5 MHz
-70 dB
HV Sync Input
±5 V
HV Sync Output
±5 V
Connectors RCA
or
BNC
Standard Audio Signal Specifications
Parameter
Conditions
Value
Frequency Response
f = 20 Hz to 20 kHz
<±0.1 dB
THD + Noise
f = 20 Hz to 20 kHz,
Vin = -10 dBu to +20 dBu
<0.1%
Crosstalk
f = 20 Hz to 20 kHz,
Vin = +14 dBu
<-110 dB
Signal to Noise Ratio (SNR)
f = 20 Hz to 20 kHz,
Vin = +10 dBu
>80 dB
Input Level (max.)
Balanced
+27 dBu
Input Impedance
18 kohms
Input Gain Adjustment Range
Control panel or serial control adjustment
+10 dB to -10 dB
Output Level (max.)
Balanced
+27 dBu
Output Impedance
50 ohms
Output Volume Control
Adjustment Range (digital)*
Control panel or serial control adjustment
+10 dB to -70 dB (mute)
Type
Balanced or unbalanced
Connectors
Pluggable 5-position
terminal block
Summary of Contents for Precis HT
Page 1: ...Instruction Manual Matrix Switchers Precis HT Distribution Matrix Release 2 03 2009 ...
Page 4: ......
Page 12: ...Notices 6 Precis HT Instruction Manual ...
Page 38: ...Installation Setup 32 Precis HT Instruction Manual ...
Page 50: ...Control Panel Operation 44 Precis HT Instruction Manual ...
Page 60: ...Appendix A Managing Configuration Files 54 Precis HT Instruction Manual ...
Page 64: ...Appendix B Advanced Configuration Modifying Virtual Matrices 58 Precis HT Instruction Manual ...