A BNC (Bayonet Neill–Concelman) connector is a type of coaxial connector commonly used on test equipment and in other applications up to around 3-4 GHz and sometimes at higher frequencies. The most common impedance is 50 ohms but 75 ohm variants are also available.
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interface two wire pH sensor with arduino
I have purchased this pH/EC sensor from https://www.cooking-hacks.com/ph-sensor however it does not have a BNC connector and just two wires, black and read. How could i interface this to an Arduino?
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Convert BNC to Ethernet to Coax/HDMI
I need to make a cable run of approximately 150 feet. The source is a security camera box and the destination is a large ~42" television with all the basic hookups.
The source box is in a room right ...
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BNC cable's characteristic impedance and voltage drop
As far as I understand, the characteristic impedance matters when a signal is oscillating since the BNC coaxial cable can be modeled as having inductors and capacitors as in the figure:
I have ...
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Does earth-grounding reduce environmental noise in data-acqusition?
There is a USB DAQ device where all the single-ended inputs have common grounds and are floating sources(i.e they have no contact to the earth ground on input side).
These inputs can be hooked up to ...
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107 views
Photomultiplier BNC cable impedance matching
I'm not sure how to connect the 50 ohm resistors to match the BNC cable's 50 ohm impedance. I draw something but it could be different.
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Ballanced BNC cables?
I'm working in an experiment with high voltages and unfortunately a high voltage AC source is affecting the signal in my BNC coaxial cable (which is going into an oscilloscope or some other measuring ...
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148 views
Decoding coax signal
There is an old age board (doubt to be a PLC) which outputs keypad and touch panel data through a single BNC connector. I've managed to capture its output signal using oscope which is available in ...
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Can I use a USB for four point impedance measurements
I'm not very familiar with USB's, but I do understand that usually there are four wires, a +5V, a GND, and D+ and D- for data exchange. What my question is, is that currently with a system that I'm ...
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How do I learn to design a 50Ω coaxial interconnection/interface? [closed]
I've designed an electronic load for testing power supplies (circuit and photo in this post: Designing a *linear* MOSFET driver stage).
The load can be controlled (programmed) using an arbitrary ...
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467 views
How to choose the impedance of a BNC adapter?
I am trying to set up lab equipment to measure my soon-to-come sample, but I couldn't get my mind around one thing, impedance termination. I will tell you what I have, what I want to get, and my ...
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571 views
Why is there such a huge price range for BNC terminators? [closed]
I wanted to buy some standard BNC 50 Ohm terminators and was surprised when I saw multiple offers with prices well above 20€ per piece. I found others for around 2€ (same online shop) and now I am ...
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What type of Connector is this?
The connector on the left is a standard BNC, but could someone please tell me what the connector on the right is?
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Designing a test instrument to be connected to an oscilloscope
I'm working on a piece of test equipment that is intended to be hooked up to an oscilloscope to measure the waveforms it produces. Since that's its reason for being, I figured it made sense to provide ...
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Multiplexing signals of two wires of a BNC cable and transmitting over a single wire
Background: I have a normal CCTV camera (650 TVL) . It requires a BNC cable in order to feed video signal from camera to DVR.
Problem The problem is I have only a single copper wire from CCTV to DVR. ...
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603 views
BNC cable instead of oscilloscope probe for fixed setup?
I'm developing a device, it will generate a signal that will be fed directly to an oscilloscope, and connected permanently.
I now have the circuitry set up on a breadboard, attached to the scope ...
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BNC splitter which separates ground and signal?
I'm a student doing research in a physics lab and we often have the need for a certain type of BNC cable splitter. This splitter has a BNC jack which accepts a single coaxial cable as input. It has ...
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How do I properly clean oscilloscope BNC connectors?
Over time with use BNC connectors on test equipment will attract contaminants . Since BNC is usually used for relatively high frequencies, I suspect that contaminants will have negatively affect ...
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Are there any differences between clamp, twist-on, and crimp coax connectors outside of cost and ease of assembly?
I have recently started working with software-defined radio, and have replaced some connectors on RG-58 coax in preference to using multiple adapters.
RG-58 BNC connectors seem to come in three ...
