The shielding tag has no wiki summary.
4
votes
3answers
137 views
How important is the shield on an RJ45 connector?
If I am going to use a PCB mount RJ45 connector for 100mbps Ethernet, does it need to be a shielded connector, or can I get away with using an unshielded one?
Is there some standard which deals ...
2
votes
3answers
192 views
How do I shield a card like Visa payWave and MasterCard PayPass to block its communication?
This is basically a replication of this question on Personal Finance SE. Suppose there's a wireless smart card like Visa payWave or MasterCard PayPass or MIFARE Ultralight. The owner wants to ...
1
vote
2answers
162 views
How can extend the cable distance from a condenser microphone to the ADC without loosing fidelity?
I am new here so please forgive me for a vey basic question. I have a TASCAM iM2 in my possession. This is a stereo condenser microphone coupled to an ADC that connects to the the latest iPhone models ...
5
votes
2answers
172 views
Shielding and Ground loops
I have various pieces of equipment that all need to be connected to GND (Chassis GND). The issue I'm having is that I'm connecting an ADC card inside a computer through a metal box with custom ...
12
votes
5answers
382 views
Noise reduction strategies in electrophysiology
When recording electrical signals from cells (in a dish or inside a living human or animal body), one major problem is to increase the signal to noise ratio.
These signals are usually in the 10uV ...
4
votes
2answers
218 views
Aluminum project box: should BNC conenctors touch it?
I want to make a aluminum shield box (this is my first time!), I made some holes to host some female BNC connectors. Now my question is, should I isolate the BNC connectors from the box? Or should the ...
0
votes
1answer
81 views
Coaxial and Triaxial connectors
Can the coaxial cables be connected to a triaxal connector and other way around? I am asking this because I have a instrument that has BNC connectors, but I want to use triax for extra shielding. If ...
8
votes
1answer
206 views
Shielding can, what is the proper way?
I like to protect a sensitive circuit of mine with a shield. I don't have a picture but basically, I have put together a 1mm thick ground rectangle on top layer and I will place the shield on top of ...
3
votes
2answers
103 views
What types of Shielding and Filtering would allow devices to be used in a MRI environment?
I'm working on a respiration monitor and I was wondering what area of electronics I would need to get familiar with to design the hardware filters that would stop the RF/EMI from frying the system.
...
2
votes
1answer
399 views
How do I shield my pc-speakers from mobile interference? [closed]
I have a budget (not cheap :P) pc-speaker set from Logitech (2.1) at home which are extremely sensitive to cellsignal interference. My iPhone is about 1m from any part of the set - including the ...
6
votes
2answers
231 views
Can a shield propagate EMI?
At a job site we typically have 10 vehicles connected to a single vehicle (star layout) by a 100m 5 conductor cable carrying power(unused), ground, shield, CANH, and CANL. The shield is grounded on ...
5
votes
1answer
174 views
Runing network cable near X-Ray equipment
My mother runs a small veterinary clinic. She is getting a new X-Ray machine that will need a network connection to send digital copies of the X-Ray to the server. I will be installing a wall plate ...
4
votes
3answers
503 views
Non-metal cases
This question is really aimed at computer cases, but I suppose it also applies to other PCB cases. Most of the Computer cases I come across are aluminium, or else some other metal; As I understand it ...
5
votes
6answers
268 views
Shielding Techniques for Digital Sensor
What shielding techniques would be best suited for a digital sensor (3 wires - Pwr, Gnd, Sig) in a noisy environment (specifically fluorescent lighting)?
Twisted pair (trio in this case) works well ...
6
votes
3answers
161 views
Wire to use with Sensors
I am trying to minimize interference in a sensor project. Can anyone recommend a good shielded wire I can solder into my board?
