Signal Types & Specifications; Wideband Video Specifications; Standard Audio Specifications - AMX 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

Wideband Signal Specifications
Parameter
Frequency Response
Crosstalk
Signal to Noise Ratio (SNR)
Return Loss
Input Level (max.)
Input Impedance
Output Level (max.)
Output Impedance
HV Sync Frequency
HV Sync Crosstalk
HV Sync Input
HV Sync Output
Connectors

Standard Audio Specifications

Standard Audio Signal Specifications
Parameter
Frequency Response
THD + Noise
Crosstalk
Signal to Noise Ratio (SNR)
Input Level (max.)
Input Impedance
Input Gain Adjustment Range
Output Level (max.)
Output Impedance
Output Volume Control
Adjustment Range (digital)*
Type
Connectors
* Total of input gain plus output gain cannot exceed +10 dB.
Precis HT Instruction Manual
Conditions
1 to All
f = 5 MHz
Vin = 0.7 V, 100 IRE
f = 5 MHz
f = 5 MHz
Conditions
f = 20 Hz to 20 kHz
f = 20 Hz to 20 kHz,
Vin = -10 dBu to +20 dBu
f = 20 Hz to 20 kHz,
Vin = +14 dBu
f = 20 Hz to 20 kHz,
Vin = +10 dBu
Balanced
Control panel or serial control adjustment
Balanced
Control panel or serial control adjustment
Signal Types & Specifications
Value
±3 dB to 300 MHz or better
<-60 dB
>65 dB
<-45 dB
±1.5 V
75 ohms
±1.5 V
75 ohms
±3 dB to 50 MHz or better
-70 dB
±5 V
±5 V
RCA or BNC
Value
<±0.1 dB
<0.1%
<-110 dB
>80 dB
+27 dBu
18 kohms
+10 dB to -10 dB
+27 dBu
50 ohms
+10 dB to -70 dB (mute)
Balanced or unbalanced
Pluggable 5-position
terminal block
33