Questions tagged [interconnect]

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0answers
22 views

What is propagation delay in cmos nets?

I have read somewhere that signal travels as electromagnetic waves in wires near to speed of light. The signals are brought to destination by EM waves. Then what does electrons do? If signals travel ...
1
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0answers
33 views

How to calculate distance between two wire-pcb connectors with high voltage for keeping connectors isolation?

I'm planning the way of connecting 8 devices terminal wires all together within a 6kV point (V+), there will be 8 more wires connected to GND (V-). Those V+ and V- points will be in the metal case. ...
-5
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1answer
69 views

What does 8W8 or 7W2 stand for in connector description? [closed]

Pretty straightforward from the title.
2
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1answer
38 views

What happens when there is a simultaneous Read and Write launched to the same address in AXI3/4?

I have a doubt regarding the AXI3/4 protocol. Assume a hypothetical scenario where a single master issues a valid Read and Write transaction to the same address simultaneously. From the AXI ...
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0answers
29 views

AXI4 Interconnect blocks transactions?

I have an AXI4 master on one board and AXI slave on the other (BRAM controller). The data is transferred using Chip2Chip and Aurora as shown in the figure. I would like to initiate several burst ...
6
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4answers
2k views

Can I use USB data pins as a power source?

I'm trying to build a circuit as seen below, where a sequencer controls the flashing of some LED sections, and an SPDT switch controls power to either the left or the right section of LEDs. However, ...
0
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0answers
41 views

Connectors in outdoor enviroment

I designed multiple modules which have to be connected in an outdoor environment but are located in rainproof casings. These modules don't get wet from direct weather and have no direct exposure to UV ...
1
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1answer
164 views

Are connectors and pin outs standardised by the MIPI alliance? [Also can anyone name this connector]

Does the MIPI alliance standardise or are there at least any conventions for connectors and pin outs between devices that use there protocol specifications? The device I am interested in (Microsoft ...
0
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2answers
93 views

Options for permanently joining two flexible printed circuits (FPC) together?

Robust, simple and cheap method to join a pair of flex pcbs / flex printed circuits (fpc) together? One option could be making both circuits rigid-flex then joining as one would two pcbs, which would ...
0
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0answers
30 views

Thread pitch on locking 1/8" audio connectors?

I feel silly that I can't find this on Google... what is the thread size on locking 1/8" audio connectors like these? There seems to be a de-facto standard, but I can't find any numbers and it's hard ...
1
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0answers
14 views

Can I use 2 pin JST-ZH connector on flex PCB Board having 0.2 mm thickness?

I am planning to use 2 pin SMD "JST ZH connector" (top entry type) on my flex PCB circuit having thickness 0.2mm. But in the datasheet, it is mentioned that applicable PC Board thickness is 0.6 to 1.2 ...
2
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0answers
24 views

quick path interconnect vs AXI

I want to know the performance difference between AXI and Intel's quick path interconnect which has been replaced by Ultra path interconnect(interms of latency). This is for very low latency(25 ...
0
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2answers
26 views

RF connector/ interconnect for Gate signals

I need connector as shown in pictures. I spent good couple of hours trying to find them on Farnell but the lingo for such connectors is little difficult for me. I read a lot too but couldn't find ...
1
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1answer
117 views

Crimp and Solder connectors for flexible electronic

I am desperately looking for crimped connectors compatible with flexible PCB and devices such as the one depicted in the following figure : This is a pressure sensor based on a piezoelectric polymer. ...
2
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1answer
140 views

Coplanar PCB interconnect solutions - As cheap as possible

TLDR: Hardware design Newbie is lost in the jungle of options. Base Problem: I am designing a set of PCBs that are supposed to fit into a square grid pattern and be recombined in different ...
0
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1answer
50 views

SPI clock signal problem

I am working on a breaboard prototype involving an Arduino; it used to work fine (connection point (a)) until last day when SCK went missing. Or not missing but distorted; sometimes the logic analyzer ...
0
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2answers
98 views

connector for male usb A plug not on PCB

I have a PCB that needs 5V input and I want to plug my contraption(PCB + battery in a housing) into a USB power receptacle. The housing has a male USB A plug popping out perpendicular to the PCB and I ...
0
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2answers
92 views

Soldering USB cable to the bottom of USB connector

I have a USB device with a type A jack connector (see photo). I am integrating this device as a part of another device and due to requirements for ruggedness I would like to have a fully soldered USB ...
12
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4answers
12k views

What is the advantage of optical TOSLINK over RCA coaxial cable?

A popular standard for the transmission of digital audio between audio devices has been the AES3 standard (also known as S/PDIF). The standard sends stereo PCM audio and of often found in consumer ...
4
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3answers
415 views

Advantages to solder over headers?

I'm in the process of assembling an embedded (Raspberry Pi-based) machine that has a lot of sensors wired together via I2C. I find myself adding headers for the I2C lines to all the little tiny ...
0
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1answer
121 views

Connecting GPU chips in order to create more powerful graphic card [closed]

I had thoughts about GPU and I came up with an idea. Why not putting more than one GPU chips in order to create a powerful graphic card? Is it possible with ordinary GPU chips or one need custom ...
2
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2answers
4k views

Pinout for board to board ribbon cable

Update/significant change: The question below is based on a false premise: taking into account that an IDC with keys pointing out from the cable on both ends swaps the front and back rows, simply ...
5
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2answers
227 views

Identify this 50 pin connector

I have this connector that connects 2 50 pin cables together. The opposite side is also male. The pin spacing is 0.1". From my research it appears to be a IDC50 SCSI connector, but I have been ...
1
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3answers
144 views

5A connector that fits through 1/4" hole?

I'm powering a load that draws 5A at 18V from a brick power supply. The power supply and load are separated by a thin metal wall that has 1/4" (6.35mm) holes in it. So I'm trying to find connectors ...
0
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1answer
324 views

Custom connector for connecting 8-pin to 20-pin

ARM-based device have 8-pin 2x4pin JTAG header. J-Link debug probe have standard 20-pin J-Link connector. I have 8-pin 2x4 Socket-Socket IDC Ribbon Cable. One end connects to the 8-pin JTAG header on ...
0
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1answer
48 views

What is the role of a Network Interface Device in a ADSL connection?

What is the role of a Network Interface Device in a ADSL connection? Why the filter is not enough? What is the difference between them?
1
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3answers
315 views

0.1" Header Cable Connector w/ Male Pins

I have a Digilent chipKIT Pro MX7 microcontroller development board. The majority of the boards I/O is through what Digilent calls a "Pmod" connector. What they really are is just 2x6 headers with a 0....
1
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1answer
1k views

How can I connect wires to my breadboard? [closed]

I am building a couple of data acquisition fixtures. I'm locating the USB daq hardware and a breadboard inside an enclosure with panel mount sockets for the external connections. Nice and clean, ...
3
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2answers
616 views

Welding small diameter wires together

I have a miniature two wire PT100 and need to extend its leads. Given the temperature at which it may operate, I cannot solder extensions. Is welding an option, and if so how do I go about it?
0
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2answers
137 views

multi microcontrolers and one ram for use like a circular buffer for intercomunication, how do and select?

I'm studying the development of a hardware composed of modules, I initially thought of a serial bus like ICSP, I2C or even CAM to communicate between modules, but I wonder if it could not use a ram in ...
-1
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1answer
348 views

Switch / power on nodes when CAN bus is powered up

I have a CAN bus with one node acting as a master and several slaves. All nodes have a independent power supply. Is it possible to switch all nodes off and on from the master? The switch off can be ...
1
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2answers
119 views

Is there a standard way to build a configurable circuit topology mesh using mechanical or solid state relays (or/and other components)?

Preamble: The motivation is to build a hybrid analog/digital computer this is reconfigurable (the topology of the opapms, resistors, capacitors, adders are all wired automatically -- without human ...
0
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1answer
130 views

No hotspot in a component created in Altium

I have added a component to an SCH library in Altium. I have just drawn the component (just the schematic and not the footprint!) and added to it a model that I found on the TI website. I just need ...
1
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0answers
320 views

Simple Interconnect circuit to simulate crosstalk in ltspice

I want to implement a very simple interconnect circuit to simulate crosstalk in ltspice because I am new to this area of crosstalk. Where can I find such a design? I have searched in the net but all ...
2
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3answers
598 views

Soldering to PCB edge connector coated for FPC contact

Figure 1. (1) Lenovo keyboard controller (upside down), (2) keyboard membrane lower layer and (3) upper layer. The spacer layer is just about visible around the contact dots. I'm building a ...
0
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1answer
60 views

How to connect stages in digital logic?

Let's say I have a logic stage doing an operation on 2 inputs, giving me an output. How could I use this output to forward it into another set of logic stage, without having to put everything in the ...
6
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2answers
248 views

Why do PC bus frequencies often end in multiples of 33MHz?

It seems like there are a lot of frequencies for different system buses that end in 33 or 66MHz. Is there a particular reason for this?
0
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1answer
191 views

CPU ports and cache controllers

I have seen CPUs conforming to Harvard architecture with dedicated ports for program memory and data memory. I have also seen that instruction and data caches (read-through caches) are connected to ...
2
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3answers
163 views

How to design connectors when I do not know what the customers want?

My PCB needs to export four sets of voltages to our customers' PCBs. Eight pins in total are needed. Eight pins at my side are to be connected with eight pins at customer's pcb side. Our pcb is to be ...
-2
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1answer
337 views

Connector type for precision PT100?

Any advice on how to choose connectors for a 4 wire PT100 (plus shield)? Bearing in mind this is a precision measurement using 1/10 DIN RTD standard, and I'm concerned about thermocouple effects, etc. ...
2
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5answers
11k views

CAN Bus Physical Layer Twisted pair or not

CAN bus is very common in automotive or vehicular applications. In our case, we are using aerial platforms with have CAN bus links between operator remote and ground control box. As is very typical ...
3
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1answer
175 views

Direct cable to board compact assembly?

I am looking to attach a cable to board in the most compact (yet manufacturable) way possible. This does not need to be disassembled ever, it can be a permanent connection. Is there a standard way ...
0
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1answer
356 views

CAT5/6 to non RJ45 connector assemblies

What types of non-RJ45 cable assemblies plugs/sockets are common? I need to carry instrumentation signals (8 of them) which are a mix of small signal and 60Vpp. I cannot use RJ45 in case someone ...
2
votes
2answers
168 views

Industry standard ways of connecting boards / modules?

There are literally thousands of different types of connectors when I'm searching on a distributor such as element14, and I'm not sure what are the "standard" ways of connecting boards together. ...
21
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4answers
4k views

Preferences: Male or Female connector on board

On a prototyping board for use by students, should one place male (pin) headers or female headers on the PCB, considering that most of the pins will be unused most of the time. I'm inclined to place ...
2
votes
3answers
7k views

Wiring Harness Software

Is there any software or method out there that makes laying out a wiring harnesses easier? I can draw a wiring harness out in just about anything, but mapping all the wires, colors, lengths and ...
1
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2answers
603 views

Switch PCIe connections

I'm trying to implement a PCI express switch; one lane from SoC and, two for mini PCIe ports. Something like the picture below. But I'm confused with the Tx and Rx connections, the transmitter should ...
3
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3answers
912 views

Need connector suggestions

I have an outdoor electronics project which is running 5V DC through 12 AWG wire to power strands of LEDs through 24 AWG wires. The strands are powered in parallel like so: ...
1
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2answers
447 views

Interface two Ethernet (10 Base) devices without 4 twisted pairs cable (Common ethernet cable) and 10 Base-T Filter

I'm autumn and recently working on a project that wants to connect two IC with part: ENC28J60 (that connects microcontrollers (with SPI interface) to Ethernet and LAN Networks) directly in a PCB board ...
0
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1answer
602 views

SSR function con control panel

I'm new in electronics and would like to build an electric brewery with an electronic control panel. I found on www.instructables.com one control panel and is described as in following image. Could ...