DTC Communications Inc. VMS2000 Benutzerhandbuch

Audio Specifications

Video Frequency Response

BW1.5dB = 6 Hz - 5.0 MHz

Input Impedance

75 Ohms

Input Level

1Vp-p M

S/N

60 dB min.

Pre-Emphasis

Per CCIR 405 525 line curve

Differential Gain

5%

Video Specifications

General

Mic level input (line level factory
opt.) 50-3000 Hz
Phased locked AGC on both
inputs. Sub-carrier auto sensing,
only active when microphone is
attached.

Number of sub-carriers

2

Sub-carrier frequencies

6.0-7.5 MHz , user programmable

Sub-carrier ON/OFF Control

Subcarriers are activated when
mic is connected.

Subcarrier Frequency Stability

+/- 0.003%, -30 to +70°C

Sub-Carrier Deviation

50 kHz peak

Audio S/N

45 dB min. 

Frequency Response

BW1.5dB = 50-3000 Hz

Total Harmonic Distortion

<2%

Input Level

8 mVpp@400 Hz for 50 kHz peak
dev.

Pre-Emphasis

75 uS

Input Impedance

10k Ohm