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Stereo Headphone Amplifier


Stereo Headphone Amplifier

3.5 JACK-60RJ45
UH1822A module is stereo headphone amplifier with volume control on the front panel, connecting with CSP transceivers and receiving the audio signal from pair B and C of UTP RJ-45. The headphone output is standard 3.5mm mini jack on the front panel.
UH1822A module could be powered from the connected CSP transceiver module.
The signal and power also could be provided to all the connected modules by Pair D of UTP CAT5 cable.


•25mW Headphone Amplifier with Volume Control
•Source Loop
•Mini Jack Output to Headphone
•Accepts Audio Signal from UTP RJ45 jack
•Connects to CSP Transceiver using UTP Cable
•Powered from CSP Twisted Pair CSP Transceiver
•Automatically Resetting Fuse for Protection
•Daisy chain topology


•Input: CSP UTP RJ45
•Connection: RJ45
•Twisted Pair Used: B, C pairs
•Output Power: 25mV, Stereo. (100 Ohm)
•THD+N: < 0.01% (@1KHz, 1mW)
•Frequency Response: 10 Hz ~ 20 KHz
•Noise: <-90dB
•Power Requirement: 24 VDC @ 55 mA; 155 mA (Max.)
•Dimensions: 43mm x 66.5mm x 40mm (WxHxD)