Audio specifications – Grass Valley CR Series v.3.2 User Manual
Page 144
132
Technical Details
Audio Specifications
CR Series Analog Video Specifications
Audio Specifications
CR Series Digital Audio (AES) Specifications
Specification
Detail
Signal inputs (NTSC, PAL)
Input level: 1V p-p nominal.
Input range: ± 2 V.
Input return loss: < –45 dB, DC to 6 MHz.
Input CMRR: > 60 dB at 120 Hz.
Signal outputs (NTSC, PAL)
Output level: 1V p-p nominal.
Output offset: DC offset 0 V ± 30 mV, relative to back porch.
Output return loss: < –45 dB, DC to 6 MHz.
Output-to-output isolation: > 90 dB at subcarrier frequency.
Signal specifications
Insertion loss: 0 dB ± 0.1 dB.
Frequency response: 0 dBr ± 0.05 dBr, DC to 6 MHz.
Crosstalk: < –65 dB, at subcarrier frequency.
Noise spectrum: < –60 dB (test signal: luminance ramp.
Differential gain: < 0.1% at subcarrier frequency.
Differential phase: < 0.1° at subcarrier frequency.
Delay scatter: < ±0.65° at subcarrier, any input to any output.
Tilt: < 0.1%.
DC coupled system.
Video reference
Input level range: 500 mV p-p to 2 V p-p.
Input return loss: > –40 dB, DC to 6 MHz.
Specification
Detail
Signal inputs
Signal type: AES3id (2 “mono” channels per input).
Sample rate: 32 kHz
–
192 kHz.
Input level: 1V p-p nominal into 75
W.
Input range: 200 mV p-p to 3 V p-p into 75
W.
Input return loss: < –25 dB, from 100 kHz to 6 MHz.
Input connectors: BNC, 75
W.
Signal outputs
Signal type: AES3id (2 “mono” channels per input).
Sample rate: async, 32 kHz
–
192 kHz; sync, 48 kHz.
Output level: 1V p-p ± 10% into 75
W.
Output offset: 0.0 VDC ± 50 mVDC, AC coupled.
Output rise/fall time: 4 ns
–
8 ns.
Output jitter: < 1ns, in synchronous mode.
Output return loss: < –25 dB, from 100 kHz to 6 MHz.
Output-to-output isolation: > 40 dB, from 100 kHz to 6 MHz.
Output connectors: BNC, 75
W.