Author Archive
Power Management for Processor Core Voltage Requirements
By Rend at 10 March, 2010, 6:11 am
This application notes presents about Power management for processor core voltage requirements. The theory about digital signal processor power requirements is described in detail inside TMS320TCI648x digital signal processor power requirements. The main topic of this application notes is TMS320TCI648x digital signal processor power requirements. The main topic contains Voltage tolerances, noise and transients, Second [...]
Read More >>Calibration in Touch-Screen Systems
By Rend at 10 March, 2010, 5:35 am
This application note explains about Calibration in touch-screen systems. The issue about Calibration in touch-screen systems is presented inside the introduction. The main topic of this application notes is divided into 6 section : Introduction, Touch-coordinate errors, Mathematical expression, Calibration methods, Calibration algorithms, and Algorithm implementation. The section Touch-coordinate errors explains about a measurement of [...]
Read More >>Introduction to Phase-Locked Loop System Modeling
By Rend at 10 March, 2010, 5:04 am
This application note talks about the Introduction to phase-locked loop system modeling. The issue about linear PLL model is presented after introduction. The main topic of this application note is divided into 5 section : Introduction, A linear PLL model in the continuous-time domain (S-domain), Modeling of digital PLL (DPLL) in the discrete time domain [...]
Read More >>DTL-TTL Controlled Buffered Analog Switch
By Rend at 3 March, 2010, 9:13 pm
This is circuit of DTL-TTL controlled buffered analog Switch. Due to its low lowleakage and 25ohm rOn, this circuit uses 2N4860 JFET. As a voltage buffer, this circuit uses LM 102. Here is the circuit : A dual trace oscilloscope chopper can adapt this circuit. Adequate switch drive controlled DTL-TTL logic levels are generated by [...]
Read More >>
