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New Hybrid
Resolver-to-Digital Converter Familyscroll to find
this circuit. . . [Analog Devices-Analog Dialogue by Gasking, John]
New ICs Simplify Battery Charging from the USB - DN320 Design Notes (Linear Technology) . . . [Linear Technology]
New Micro-DAC Product Line for Microprocessor
Systems - Application Note. . . [National
Semiconductor]
NiCad Chargersometimes its more convenient to recharge batteries 'in place' rather than removing them and
putting them in an external charger. This device is built around a PIC12F675 (a dandy little part from
Microchip). The number of cells (1 to 8) is programmed in using the one button. . . [Luhan Monat - Mesa
Arizona]
Noise Reduction Techniques for Combo Ii - Application Note. . . [National Semiconductor]
Nonvolatile digital potentiometer gates logic signal - 09/03/07 EDN Design Idea A novel use for digital potentiometers employs them as a logic
gate that functions as soon as the system powers up. . . [by Reinhardt Wagner, Maxim Integrated Products,
Ottobrunn, Germany]
Off the Shelf MMIC Suits Mixer Applications
- 02/02/98 EDN Design Idea You can use a standard monolithic-microwave IC
(MMIC) to configure an efficient and economical microwave mixer. Some systems require a mixer with an input
level lower than -10 dBm. Many available mixers, however, require greater than 10-dBm input power. The
circuit in Figure 1 exploits the inherent nonlinearity of a Mini-Circuits (Brooklyn, NY) MAR6 microwave
amplifier to configure a low-level mixer. The idea is to add the input signals and feed the sum to the MMIC
(Figure 1a). . . [by J Leira Paz, M Pereira Varela, and F Fontán, University of Vigo, Spain]
Off-The-Shelf ICs Make 10-Bit Convolver - 12/19/96 EDN Design Idea The block diagram in Figure 1 shows how you can implement a 333
10-bit kernel using two dual FIR-filter and two delay-buffer ICs. This configuration operates with clock
speeds of 32 MHz. With the appropriate modifications, the technique is also applicable to convolutions that
require greater than 10-bit resolution. . . [by Guenter Kremser, Harris Semiconductor, Munich, Germany]
One I/O line drives shift register with strobe - 03/28/13 EDN Design Idea This Design Idea shows how a single microcontroller port can
drive a lot of output lines through shift register. In this case we use the shift register with strobe
control to achieve perfect output line control. Shift register outputs can drive LEDs, relays, etc. In other
words, they can be used as (additional) general purpose outputs. . . [by Zoran Mijanovic & Nedjeljko Lekic]
One microcontroller serves multiple external interrupts - 02/01/01 EDN Design Idea In designing µC-based systems, you often face a situation in
which the µC has to respond to an external event happening at an uncertain moment in time. One example is
receiving an echo from an object in a pulse-range measuring sy. . . [by Abel Raynus, Armatron International,
Melrose, MA]
One switch controls digital
potentiometer - 09/19/02 EDN Design Idea This Design Idea is
an evolution and simplification of another (Figure 1, Reference 1]. Replacing the three inverted-input NOR
gates with their logical equivalents, positive-input NAND gates, makes these three gate symbols consistent. .
. [by im Bach, Delphi Delco Electronics Systems, Kokomo, IN]
Optimizing LNA Performance for CDMA
Application Using Nonlinear Simulator 6/24/02 -
Application Note Doc #955. . . [California Eastern Laboratories]
Optimizing Read-Range of the 13.56 MHz Demonstration Reader - Application Note Published 20-Dec-99. . . [Microchip]
Optimizing the Digital Potentiometer in Precision Circuits - Application Note Published 8-May-01. . . [Microchip]
Oscillator Characteristics of COPS
MicroControllers - Application Note. . . [National
Semiconductor]
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