Description
Description of the miniature monitor head
1, the appearance of the most micro-6 * 35mm (with microphone head) design, small size, diameter 7mm, more subtle installation, can be installed inside the camera.
Second, the output interface line with 3-wire, power, ground common, signal line.
Third, the core circuit using Philips's two-stage pre-amplifier, anti-power noise, environmental noise. Mitou use Japanese imports of gold-plated high-fidelity large diaphragm capacitance
Microphone, the sound reduction clear, clear and thorough, sweet and thick sound, automatic gain (AGC) circuit to effectively control the strength of the signal, to avoid instantaneous high decibel sound on
After the impact of equipment.
4, 8 - 12VDC wide voltage power supply can be synchronized with the camera.
Fifth, for hard disk video recorders, submersible DVR, network audio and video servers and other equipment, audio input.
6, the working voltage: 8 - 12VDC working current: maximum 8MA
Seven, sensitivity: -46DB Monitoring range: about 50 square meters can be adjusted
Eight, the frequency range: 100-15KHZ Output impedance: 600 Europe
9, Lead Description: Red - Positive power supply, black - Negative power supply and signal negative,
White - Positive signal.