Questions tagged [transceiver]

For questions about devices that are both transmitters and receivers.

40 questions with no upvoted or accepted answers
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Compatibility and Interoperability Between CAN Standards

I'm intended to design a CAN system for a automotive scan tool. So, I need to comprise the main CAN standars used nowadays. Searching on the web I found the following options: ISO 11519-2:1994 – Low-...
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256 views

nRF24L01+ module channel sensitivity and directivity

I want to start a project where I distribute many nRF24L01+ modules across the house. I am pretty sure someone has done that before. But before I wanted to begin I evaluated the modules using two ...
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121 views

How is a CAN Transceiver's common mode voltage range extended?

The CAN Standard states a max. common mode voltage of -2 V to +7 V. There are transceivers however, that allow for e.g. +-25 V common mode voltage range. How is that acheived? I imagine (I do not ...
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507 views

MCP2551 with STM32 MCU

im learning about the CAN protocol, and bought the transceiver module MCP2551 like this: I made the driver for CAN controller first in loopback mode for debug, im sending the numbers 1,2,3 and 4 with ...
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2answers
175 views

SFP+ 10GbE Module Interface

I'm in the process of learning about how SFP+ modules work under the hood. I chose a 10GBASE-T transceiver module as my case study. The module I chose is said to be complaint with SFF-8431 spec, so ...
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250 views

Interpreting Data Sheets ("Typical Applications")

I've recently been researching various transceivers, but I run into trouble as soon as I get to the "typical applications" section of the data sheet. With the Si4464 for instance, the example ...
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66 views

How to create an RS485-compatible line driver with an adjustable slew rate?

I need to make an RS485 compatible line driver, capable of 12Mbit/s with fast slew rate, but with the capability to reduce the slew rate to about 50ns rise/fall time when operating at lower bitrates. ...
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49 views

CAN Transceiver circuit problem with TJA1042T/3

I am a novice designer who recently started designing circuits. Using the STM32f407VGT MCU operating at 3.3V, using the CAN1TX(PB9) CAN1RX(PB8) pins, the circuit was configured by referring to NXP's ...
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41 views

SMPS mode power supply for 868 MHz operation in S2LP

I am trying to design a PCB for 868 MHz operations using S2LP, referring to the schematic from steval fki868v2. I have attached the same here. I would like to use SMPS mode and BALUN for the operation....
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44 views

Fiber optic transceiver for lower speeds

I am trying to figure out if a QSFP-DD transceiver can break out 8x 10G lanes if I make/use a 1:8 fiber optic breakout cable. It seems like most Transceivers are rated for one speed only, so if I get ...
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1answer
64 views

Is my use of the L9637 iso9141 single-wire transceiver a robust design?

Eventually, I want to tap into the K-line of my Kawasaki Ninja with an (ISO 9141) OBD reader, using an ESP32 WROVER and a L9637 single-wire transceiver. To get there, I'm at the stage of confirming ...
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1answer
266 views

Xilinx PCIe Integrated Endpoint - Using the other transceiver on the tile

This question is specifically about the Spartan 6-75LXT (FG676) but can be applied to any Spartan 6 (and possibly other Xilinx parts as well). When using the GTP wizard by itself, there are 2 pairs ...
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196 views

How to determine a Signal Generator's Marker (Event) output delay?

I am using an Agilent N5182B Signal Generator for modulating a 2-FSK waveform on a 160MHz RF carrier. For that, I am using a baseband waveform (I/Q mode), generated by a Matlab FSK modulator script. ...
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77 views

How do I locate proper radio initialization procedure in order to send IEEE 802.15.4 frame?

I am using an AT86RF233 radio connected to an MSP 430 micro-controller. I need to write a function similar to line 92 on this page. This function (trx_frame_write) is supposed write a frame for ...
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475 views

Using same DB9 port for RS232 and RS485 (selectable) - looking for IC

Do any of you know of any transceiver ICs that can switch between RS232 and full or half duplex RS485? I'd like to be able to select which type of communication is used with either a jumper or input ...
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671 views

Connecting 2 Arduinos with Bluetooth

I have been looking on Google for a project that involves 2 Arduinos communicating with Bluetooth. The only examples I can find are with an Arduino to an Android phone. Does anyone have links to let ...
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1answer
48 views

How do I test an ultrasonic transceiver?

I have recently purchased a "CUSP-TR80-18-2400-TH" which is a transceiver. I would like to test this sensor by seeing the transmitted pulse vs the received pulse. I would like to use this ...
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28 views

SPI Line Switching for Redundant Design

I am in the process of designing a full-duplex transceiver board. I am using an ATmega328pb uC and a CC1125 radio. This is for a CubeSat project, so in the interest of redundancy, I'm I would like ...
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1answer
23 views

ENABLE and T/R pins on MAX7032 Tranciever

Last month I started working with electronics a bit. With no previous knowledge and I'm getting into PCB design for many different applications. That being said please correct me if I misinterpret or ...
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1answer
79 views

Transceiver IC for radar

I'm trying to build a radar that functions in the ISM bands (433 MHz, 915 MHz, 2.4 GHz and 5.8 GHz). I'm trying to look for RF transceiver ICs that operate in these bands. Most of the ICs I'm finding ...
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23 views

LIN bus extender

I have an application where the nodes may be 40m apart and want to make each node a repeater as well as an operating node with a microprocessor (PIC16F1829 say). Am thinking about two MCP2021A back ...
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29 views

Lora sx1278 implementation by Arduino Uno

I'm implementing a Lora network, with two SX1278 modules and Arduino Uno. Lora is based on three classes. A , B and C, The question is : for change For example A to B, what should exactly change in ...
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25 views

Directly connecting a transceiver and DAC

I have an application where I need to take data over a standard transceiver (such as shown here: https://ii-vi.com/product/100g-cwdm4-2km-gen3-qsfp28-optical-transceiver/) and have that data drive a ...
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1answer
75 views

433 MHz Transceiver - understanding OOK demodulator parameter 'OokFixedThreshold'

I would appreciate some help to understand a parameter for this device https://www.semtech.com/products/wireless-rf/fsk-transceivers/sx1231h. I'm far from an expert at RF matters and this question has ...
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138 views

Normal Mode of CAN Controller in STM32L476 Nucleo Board is Not Working

I am using STM32L476RG Nucleo board which contains only one CAN controller(bx_CAN1) and SN65HVD233 as a CAN Transceiver. I could able to test the CAN controller by using "LOOPBACK Mode". ...
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1answer
668 views

Conversion SSI to SPI

I want to interface an encoder based on the SSI interface with a microcontroller and only an SPI interface is available (I can't use other interfaces than SPI). As far as I see, SSI has a lot in ...
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53 views

Sending Serial Data via CAN transciever

I am required to transmit a standard Hex payload through serial com port to a device that has a CAN transceiver. The serial configuration is as follows: 500 kbps, 1, 8, None, 1. The DUT has a CAN ...
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1answer
56 views

Can I use SFP+ like just data cable?

i'm using zc706 (xilinx) eval board. I want to connect ZC706 and custom board for transcevier. The zc706 board has SMA, SFP+ connector for GTH trancevier. Can I use SFP connector for just cable with ...
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1answer
336 views

What is the purpose of these components in an LC Balun?

I'm trying to understand an antenna impedance matching / balun network that I came across in the receiving signal path in the schematics for the STEVAL-FKI868V2 S2-LP Evaluation Board, shown in the ...
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1answer
77 views

Generate high speed data using GTX transceiver of Kintex-7 FPGA board

I want to use Genesys-2 FPGA board as a BER tester for transceiver circuits. I am using IBERT IP core available in Vivado for it. Genesys-2 has an FMC connector to provide output for which I am using ...
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1answer
58 views

Connecting CAN transceivers for devwork /home prototyping

I'm doing some home project, and would like to use this CAN transceiver (note just in case, not selecting CAN controller+transceiver chip, that's how I need it). I would like to use this transceiver ...
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30 views

LTC2852HDD Transceiver defect when the polarity is change

I have been unsing the above transceiver for our application. I have discover that when I turn the polarity of this device, the Transceiver does not work anymore or is defect, because taking back in ...
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2answers
255 views

CAN transceiver Vref connection

I am using the TI SN65HVD230DR CAN transceiver on two separate CAN buses between three microcontrollers (MCUs) -- two are on the same board, and one is off-board. This transceiver includes a Vref pin:...
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3answers
22 views

On SN65HVD1780 are external pullup and pulldowns

On transceiver SN65HVD1780 are external pullup and pulldowns required on A,B,DE,RE,D,R lines? The datasheet mentions that the part has internal pullups and pulldowns but it's not clear if external ...
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27 views

Transceiver IC SN74LV245A at different voltage levels pull up resistor require for current improvement

I've gone through datasheet of IC Page number 12 Figure 5 shows typical application of IC which is 5 to 3.3V compatibility. In my design My sensor Output is 1.5V to 2.2V so we're planning to have ...
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1answer
75 views

SN65HVD3x (RS485 Driver) - Termination resistor

I want to use the SN65HVD31DR to connect two microcontrollers together. The connecting cable has an impedance of Z0 = 80Ω. According to the data sheet it is recommended to terminate the connection ...
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1answer
78 views

How to model a physical channel using verilog?

I don't have access to high speed transceivers FPGA. So i wish to model the channel of high speed transceivers which is not error free so that i can test my codes if they are working fine or not. Is ...
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46 views

AVR + IEEE 802.15.4 (<1GHz) potential transceivers

I'd appreciate it if someone could offer a couple of suggestions about pairing up an AVR MCU (I'm thinking about using the MEGA162V-8PU ) to a general ISM < 1GHz (transceiver), and the ATTINY85 on ...
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255 views

FSK Bandpass Filters for 900 MHz

I'm attempting to design a basic FSK transceiver (architecture shown below) using only discrete components (transistors, diodes, resistors, etc). My idea was to separate the two binary frequency ...
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1answer
34 views

wirelessHD using with FPGA

I going to make a system to transfer data between 2 FPGAs wirelessly with high rate. I found that wirelessHD method can do this, now what is the required hardware to establish such system?