• RFID Reader/Key Chain Tag w/ 2-3 Feet Range

    Hello all, I am new here and still a novice when it comes to the world of RFID. I'm wondering if there is a RFID reader and key chain tag that can be read from 2-3 feet away? I want to use this in conjunction with an...
    Corey Loyd
    last modified by Corey Loyd
  • PCA9545 (correction: PCA9554) digital inputs damaged caused by long high rise times?

    Correction of the chip number from Alois Lang (Author of this article): PCA9554 Text changed from PCA9545 to PCA9554 (January, 3th. 2020)   We use a PCA9554 I2C Port Extender Chip. In our application, we use t...
    Alois Lang
    last modified by Alois Lang
  • Усилители РЧ-сигнала с полосой от DC..1МГц до 4...6ГГц с перестраиваемым коэффициентом усиления

    Здравствуйте, подскажите, пожалуйста, есть ли у компании NXP усилители РЧ-сигнала с полосой от DC..1МГц до 4...6ГГц с перестраиваемым коэффициентом усиления. Спасибо!
    Evgenii Vostrikov
    last modified by Evgenii Vostrikov
  • Is there a suitable replacement for BGA2709?

    只需测试而不是bga 2709频谱测试可以接收数字dvb-tno。 Test PCB's waveform on frequency spectrum OK Connect antenna to receive signal not OK The voltage was adjusted to 2.6v and was barely received.
    许泽林 许
    last modified by 许泽林 许
  • BGU610X Evaluation Board Question

    Hello,   I’m currently working on a university project that revolves around amplifying a small RF signal. For one of the designs our team is currently considering, we were planning to use the BGU610X LNA se...
    Michael Ko
    last modified by Michael Ko
  • PCA9505/06 - connections of OE, RESET and INT pins

    I'm want to use a PCA9505/06 to expand I/O capabilities in my hardware. But I have doubt about the conections of the CI. The pins of !OE, !RESET and !INT will not be connected to Master Control, only SDA, SCL, VSS and...
    Daniel Flor
    last modified by Daniel Flor
  • IHS_INJ of MC34GD3000

    Hi,   Could you tell me the envisaged malfunction of below? If it occurs a malfunction, the waveform of high-side is broken up?   <Data Sheet P.10 Table 4 Gate drive>   Best regards, M...
    Masahiro Kiniwa
    last modified by Masahiro Kiniwa
  • I2C random no Acknowledge Issue

    Hi ,   I have design a I2C hot swap circuit using PCA9617 (as a level translator for 3.3V to 5V and 5V is the Hot side on Backplane) and LTC4300-1 (At the Input Hot side of removable card). The pul...
    Vihang Waze
    last modified by Vihang Waze
  • MCUExpresso 11.1 newly loaded, can't run Hello World demo

    I've just installed MCUExpresso 11.1, loaded an SDK for the K64 Tower, and created a project to run the supplied Hello World program.  No (intentional) changes of any kind.  I should say this is on a Windows...
    last modified by GARY OLMSTEAD
  • Connecting multiple PCA9617A port B

    Hello,    My question concerns the ability to connect multiple port B's of two different PCA9617A devices to the same bus.    I my application I have a single master device (an LPC1769 MCU) ...
    David Gomez
    last modified by David Gomez
  • Datasheets for Obsolete/Legacy products

    Hi, Not sure if this is the best place to ask, but I figure I would give it a shot... I am looking for a datasheet for an old Motorola part: MC44200FT Triple 8-bit video DAC. An online search comes up with nothing. ...
    Joshua Fincher
    last modified by Joshua Fincher
  • SLRC610: Single Reader Multiple antenna design

    Hi, We are using SLRC610 for one of our inventory management application using ISO15693. Inorder to increase the reading range we are planning to use multiple antennas (two or four) with one reader.   Is it fin...
    Akash S
    last modified by Akash S
  • How can i generate an user certificate of A1006?

    I want to generate an user certificate of A1006 writting into A1006. Through reading relavant manuals, i discovered that there are tool of The A100x Customer Provisioning Utility to make it, but the example show the n...
    奥博 闫
    last modified by 奥博 闫
  • Losing control over pwm channels on pca9685 chip

    Hi,   I'm working with a pca9685 16-channel, 12-bit PWM I2C-bus LED controller. It's being used to control 12 volt relays (link below). I'm having a weird issue where I lose control of individual ...
    Chasen Johnson
    last modified by Chasen Johnson
  • HELP:PCA 9615

    PCA9615: I have detected the Vol of SDA(or SCL) that was about 0.7V. I want to know how can I cutdown the Vol. Thank you !
    chu liang
    last modified by chu liang
  • PTN3460I flickers and switches off display brightness

    Hi all, We are using PTN3460I and in new mainboard we got following effect in some boards: in several minutes after it switched on it starts to flicker and in several seconds display goes black. As I see the BLKTEN g...
    Sergey Velykokhatko
    last modified by Sergey Velykokhatko
  • PTP Egress Timestamping unit (seconds/nano seconds etc.) ?

    From UM11040, Section I am able to understand that we can read Egress timestamping from specific registers. My query is that the timestamp value read from this register, what would be unit of it? Will it be in...
    Sameer W
    last modified by Sameer W
  • Encryption of kernel,rootfs, etc with OTPMK

    Hi, I am implementing secure boot from SD card on LS1043ARDB. For which I have blown all necessary flags i.e OTPMK and SRKH. I want to implement chain of trust with confidentiality for which I enabled encap and decap...
    Ketkee Deshpande
    last modified by Ketkee Deshpande
  • PTN3460i strange image during boot

    Hello,   I our project we are using the PTN3460i chip for convert the DP to LVDS. The PTN3460i is connect to a SDM module where there are an Atom X5Z8350. The connection is all in the PCB, there are no...
    Simone Caron
    last modified by Simone Caron
  • Secure Element SE050 with freertos.

    Hello,   I'm trying to use the SE050 (with the board OM-SE050ARD) on a esp32 without Cmake.   I succeeded with a Linux board (with Cmake and the quick start guide) but I'm blocked with esp-idf (v4.0 b...
    last modified by jb@altaneos.com