Circuits & Schematics Application Notes - 3

Application Notes, Application Reports, Circuit Notes, Design Notes, Engineer-to-Engineer Notes, Reference Designs, User's Guides.

21. ST's MOSFET technologies for uninterruptible power supplies (UPS)
    Circuits Supply Application Notes STMicroelectronics STP90N55F4 STP110N55F6
    Application Note AN4390 November 2013 The UPS (uninterruptible power supply) is gaining ever increasing importance in office and industrial environments, because it preserves the information and business operations from power supply failure or ...
    21-12-2013
22. BLDC motor based ceiling fan solution proposal
    Circuits Supply Power Application Notes STMicroelectronics L6235 L6564
    Application Note AN4339 November 2013 Harjeet Singh Due to recent directives by the Bureau of Energy Efficiency (BEE) to reduce power consumption of consumer loads, it is necessary to analyze energy consumption by each of the house hold loads and ...
    21-12-2013

23. Guidelines for designing touch sensing applications with surface sensors
    Circuits Microcontrollers Usage Application Notes STMicroelectronics STM32F0 STM32F3 STM32L1 STM8L
    Application Note AN4312 September 2013 This application note describes the layout and mechanical design guidelines used for touch sensing applications with surface sensors. Capacitive sensing interfaces provide many advantages compared to ...
    21-12-2013
24. Using STM32F30x/31x PWM shut-down features for motor control and digital power conversion
    Circuits Automation Microcontrollers Usage Power Application Notes STMicroelectronics STM32F301 STM32F302 STM32F303 STM32F313
    Application Note AN4277 November 2013 The purpose of this document is to describe STM32F30x/31x timer break feature and show how it can be used with other STM32F3 internal resources for over-current and over-voltage protection in applications such ...
    21-12-2013
25. Wireless MBUS Receiver Si446x
    Circuits Wireless Radio Application Notes Silicon Labs Si446x Si4461 Si4463 Si4464
    Application Note AN805 November 2013 This application note describes how to create a wireless MBUS-compliant device using Silicon Labs Si4461/63/64 cost-efficient, high-performance EZRadioPRO RF transceiver. Download Application Note AN805 (1.2 Mb) ...
    18-12-2013
26. Porting Considerations from C8051F320/1 and C8051F326/7 to C8051F38x
    Circuits Microcontrollers Usage Application Notes Silicon Labs C8051F320/1 C8051F326/7 C8051F38x
    Application Note AN804 November 2013 This application note highlights the differences between the C8051F320/1 or C8051F326/7 and C8051F38x MCU families. These families are largely code-compatible, requiring very minor changes when porting firmware ...
    18-12-2013
27. Geometric Optics for DLP
    Circuits Application Notes Texas Instruments DLP3000 DLP4500 DLP5500 DLP7000 DLP9500
    Application Report DLPA044 December 2013 Pascal Nelson Many frequently asked questions about DLP applications involve geometric optics. This application report discusses and answers some of these questions. Download Application Note DLPA044 (732 ...
    17-12-2013
28. Fairchild's Second-Generation, Field-Stop, Shorted-Anode, Trench IGBTs for Induction Heating Applications
    Circuits Supply Power Application Notes Fairchild FGA50S110P FGA15S125P FGA20S120M FGA20S125P FGA25S125P FGH30S130P FGA30S120P FGA20S140P
    Application Note AN-4155 March 2013 Fairchild recently developed a field-stop, shorted-anode, insulated-gate, bipolar transistor (IGBT) product family; ranging from 1100-1400 V and including an intrinsic body diode. Since the intrinsic ...
    16-12-2013
29. An IQ Demodulator-Based IF-to-Baseband Receiver with IF and Baseband Variable Gain and Programmable Baseband Filtering
    Circuits Radio Application Notes Analog Devices ADRF6510 ADRF6801 AD9248
    Сircuit Note CN-0320 December 2013 This circuit is a flexible, frequency agile, direct conversion IF-tobaseband receiver. A fixed conversion gain of 5 dB reduces the cascaded noise figure. Variable baseband gain is used to adjust the signal level. ...
    13-12-2013
30. Spectrum Inversion in NCDMA to Ensure Compliance with 3GPP2
    Circuits Wireless Application Notes Maxim MAX2547 MAX2548 MAX2550 MAX2551 MAX2553 MAX2557 MAX2597 MAX2598 MAX2599
    Application Note 5499 November 2013 Unlike many other cellular standards, NCDMA is required by the 3GPP2 standard to perform spectrum inversion in the physical layer before transmission and after reception. With today’s vast selection of ...
    13-12-2013