30 Jun '12, 5pm

DTMF #wireless #paging system circuit diagram is shown at

DTMF #wireless #paging system circuit diagram is shown at

IT usesDTMF encoder output dual tone multi-frequency coded signal to modulate the transmitted carrier frequency. It can form a DTMF encoded radio paging system. The circuit uses DTMF encoding UM97085 and decoding circuit YN9101 circuit to form a small wireless paging system for small internal paging. It is convenient and economical. It is shown in the figure, in which (a) shows the radio transmitting DTMF encoding circuit. Figure (b) shows the radio receiver demodulation, DTMF decoding and reproducing sound signal circuits. Reprinted Url Of This Article: http://www.seekic.com/circuit_diagram/Communication_Circuit/Wireless_Transmitter/DTMF_wireless_paging_system_circuit_diagram.html

Full article: http://www.seekic.com/circuit_diagram/Communication_Circu...

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#Multichannel #remote #control circuit diagram can be visited at

#Multichannel #remote #control circuit diagram ...

seekic.com 07 Jul '12, 9pm

Multi-channel remote control circuit diagram Published:2011-4-8 3:03:00 Author:Rebekka | Keyword: multi-channel remote con...

#Isolated #converter circuit diagram composed of #LT1425,

#Isolated #converter circuit diagram composed o...

seekic.com 07 Jul '12, 5pm

Figure a, b ​​are the isolated converter circuit composed of LT1425. The input voltage of the circuit shown in Figure (a) ...

Design News - News - Photovoltaic System Supplements Marines ...: A new mobile photovoltaic system... #photovoltaic

Design News - News - Photovoltaic System Supple...

designnews.com 30 Jun '12, 10pm

Researchers from the US Navy and the private sector have teamed up to design a new mobile photovoltaic system for charging...

@coatofsilence Worth checking: sound reduction ...

greenguard.org 03 Jul '12, 3pm

Coat of Silence is a spray-on sound reducing and protective coating system consisting of base and finish coats. Approx 30 ...