TD-1950

TD-1950

Tone Detector (1950Hz) NEW!




Login for your best price



The Davicom TD-1950 is a precise sensor offering reliable detection of an audio tone of 1950Hz on a telephone line*. Presence or absence of the 1950Hz tone is converted into a TTL logic level available at the OUT terminal.
 
The unit is AC coupled and will support any type of signal that can be found on a telephone line.
 
Dimensions are 103mm x 54mm x 40 mm (W x H x D), including terminal.
 
 
Download product specifications (748k)
ELECTRICAL SPECIFICATIONS
Sensitivity
-23dBm (55mV RMS)
Input Impedance
> 10k Ohms
Output Voltage
5V (nominal): No Tone
0.3V (nominal): Tone Present
Operating Temperature
-25°C to +50°C
Supply Voltage
10 to 18VDC
Frequency Tolerance
± 30Hz

TERMINAL DESCRIPTIONS
NAME
FUNCTION
+12v
Supply Input
GND Supply Ground
TIP, RING Phone Line Audio Inputs
OUT Alarm Signal Output
GND Alarm Signal Ground