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| Isolator PCB for Party-line
Interface |
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Isolator Circuit
Card for Party-line Intercom Systems. Electrically isolates ground,
power and signalling between two systems
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Product Code: MT1
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| Technical Details |
General
Line Level: -14 dB nominal, +10dB max
Call Signaling Voltage: 11 volts DC on audio line
Call Signal Sensitivity: 4 volts DC
Call Signal Delay: 50 mS
Power Source: Passive, via intercom line
Connectors
Line: 3-screw terminal block for each intercom line
Isolation
Voltage: 120 VAC max
CMRR: 65 dB min
Audio
Insertion Loss (each direction): 3 dB nominal
Frequency Response: 100 Hz – 20 kHz +/- 1 dB
Distortion: 0.1% THD at -10 dB input, 100 Hz – 20kHz
Dimensions
1.25” H x 2.88” W x 1.88” D
(30 mm H x 73mm W x 47mm D)
Weight
2.25 oz (0.07 kg) |
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