September 2, 1997 Magazine Archive

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ISSUE DATE: SEPTEMBER 2, 1997

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DC-DC converters, Broadband XDSL, PCI, Op amps, High-frequency capacitors, AC termination

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Browse Archived Articles By: Issue | Author | Department | Topic

September 2, 1997 - In This Issue

[Ideas For Design]
Circuit allows any 8051 microcontroller to speak IrDA
With the circuit design described here, any derivative of the 8051 microcontroller can communicate using the serial-infrared (SIR) format established by the Infrared Data Association (IrDA). Communication is a two-stage process in which the... — Contributing Author

[Ideas For Design]
Use a tiny microcontroller with a large keypad
Like a student needing just one more night to prepare for a coming exam, a microcontroller designer often wishes for just one more I/O line as a project approaches its final stages. Even for the relatively capable 8X752 microcontroller at 28 pins,... — Contributing Author

[Ideas For Design]
Automatic phase detector for digital communications
Digital communications equipment based on coherent detection need receivers that can generate a carrier synchronized signal from a suppressed carrier transmission. For example, in a two-phase carrier receiver such as BPSK, a common solution is to use... — Contributing Author

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