Tbp18A15 Speakerphone Module Intercom Voice

$6.50
Availability: 219 items
SKU
SEN-17-024
+25 4 % $6.24
+50 6 % $6.11
+100 8 % $5.98
+300 10 % $5.85
+500 12 % $5.72
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Overview:

Principle: KA-MT15 handsfree intercom module UTC34018 voice speakerphone ASIC production. Its working principle is based on the signal strength of the transmit and receive channels, automatically switches to send or receive job status, half-duplex mode.
Role: in hands-free intercom circuit can effectively suppress feedback caused by the sound of howling, enhance dialogue volume.
Disadvantages: not at the same dialogue.
Uses: used for two-way hands-free intercom. Building intercom demanding situations.
Performance indicators: Refer UTC34018 manual
Dimensions: 50 × 31mm

External port profile:

Figure 1 shows the distribution of port and some components. For information about interface and adjustment potentiometer is explained as follows:
9-12V DC power input.
contact microphone sensitivity required 56DB about.
audio input and output, A is a sound signal, G is negative power.
1 foot CS to enable control input, active high; 2 feet RING input as ringtones.
connected 8 European speakers.
J1 (circuit board on the back) : When open, MIC from the external power supply; when a short circuit MIC powered by internal.
RP1 potentiometer : adjust balance and prevent howling.
RP2 potentiometer: adjust the volume.

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