Questions tagged [flexible]
See also [fpc] for Flexible Printed Circuits.
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Handling flexible PCB coverlay openings in fine-pitch footprints
I'm trying to understand how to handle fine-pitch pads on flexible PCBs. For example, a LIS2DH12 accelerometer uses an LGA-12 (2mmx2mm) footprint with 0.25mm wide pads on a 0.5mm grid.
I'm doing a ...
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Does the minimum value of the S11 (return loss curve) at the resonance frequency depend on the resistance of the antenna?
I was trying to fabricate a flexible NFC antenna. Initially, I fabricated my design on a copper PCB. It worked perfectly fine with my NFC chip and facilitated NFC communication. I observed its S11 ...
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Flexible solar cell powered LED
I want to make flexible solar cell-powered LED. The flexible solar cell that I want to use is ONP1.2-12X24 and I just want to use chip LED.
When I connect only one ONP1.2-12X24, it shows near 1.2V. ...
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How to specify the stiffener for ordering Flex-PCBs at JLCPCB
I have a Flex-PCB design that contains several areas that are supported by stiffeners. I am trying to order the PCB at JLCPCB but can not figure out how to specify the areas where the stiffener is ...
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How can I calculate the resistance of a complex PCB trace?
I want to design a flex PCB heater. In the design requirement, there is a value such as 7.5 ohms and 18 watts. When I calculate with copper, my PCB area is not sufficient for the desired resistance ...
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What are the strongest wire connection points on flexible PCB
Wires have to be soldered onto the bottom pads, however these pads are really fragile and often get loose from the flexible PCB. Now I'm trying to create these PCBS myself but with different ...
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Create footprints on flexible PCB
I'm completely new to PCB design but I'm trying to create my own flexible PCB. Now I want to recreate the board below but with different contact pads on the bottom (because they are really fragile). ...
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Possibility of mixed PCB that flex part covers rigid part after coming out of board cutout
I want to design a board with mixed rigid-flex approach, the flex part is carrying some traces from different rigid layers, comes out as a mid layer from a cutout of rigid board but it should covers ...
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Most probable cause for unwanted capacitance on serial line?
I'm a PCB rookie and just got the first sample of a 4 layer flex-rigid board that I made.
I'm using 3.3V TTL-UART @ 115200 baud, the stackup is as follows:
CU 35 (signal)
Prepreg 0.7mm
CU 35µm (GND)
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What is a 7 or more pin flexible connector that fits in a 12.5 mm gap?
I am making a very compact embedded clamshell device. it has two boards, connected by one hinge.
I only have a 12.5 mm gap where I can put a connector, and I can't really trim the number of lines down ...
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Identify the connectors on those sensors
I'd like to know what is the name of the connectors in those devices. I'm trying to create a sensor for myself, and I think they are very practical when trying to add cables or clincher connectors.
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Is there any way to get 2 sided FPC with stiffener?
We need to design an FPC board that consists of components like mezzanine connectors that are centered on 2 sides, top and bottom layers. We have concerns about attaching the FPC board to the main PCB ...
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Techniques how to join two wearable-flexible pcb parts
I am looking at pictures/videos that show people wear fully flexible PCBs, and I wonder how they join their ends together. They never show the part where the flexible parts are joined together, so I ...
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How to choose the right flexible cable for moving parts?
Is there a generally accepted guide to select a cable, which has to withstand certain bending stress?
I am looking for something like this:
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Need help to identify this PCB connector
I really need to identify the name of this connector type.
It is the PCB end of a lightning connector on a FLIR thermal camera for IOS.
Mine is just like this but with lightning instead of this USB-C
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