There is coax that is designed to be soldered to the board. If the board has
not been finalized, spots are left on the the board to solder the braided
jacket to the board. The center conductor hole is reduced in size compared
to the connector. The cost of a connector is saved at the cost of additonal
labor. It may be easier to cut and strip the center conductor long, insert,
solder and trim


On Thu, Sep 3, 2009 at 9:50 AM, Phil Nutting <[log in to unmask]>wrote:

> Ioan,
>
> I've always used the technique shown in IPC-A-620 section 15.2.1 to make
> easy connections to a circuit board when not using a connector.  For strain
> relief I might put a wire tie (ty-wrap) around the wire and through a hole
> or pair of holes in the circuit board.
>
> For soldering the drain (pick-off) wire there are several methods.  One
> method is a heat shrinkable sleeve that contains flux and solder so the
> whole solder and insulation step is combined into one by using a heat shrink
> gun.  Another method is to lap solder or wrap the drain wire around the
> braid and hand solder followed by possible cleaning and heat shrink
> covering.  Depending on space and desired connections the drain wire can be
> led off in either direction, up the wire or towards the end termination.
>
> Hope this helps.
>
> Phil Nutting
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Ioan Tempea
> Sent: Thursday, September 03, 2009 9:46 AM
> To: [log in to unmask]
> Subject: [TN] Soldering of coax cable on PCB
>
> Dear Technos,
>
>
>
> We have this coax cable that is currently connecting to the PCB via the
> regular connectors,
>
> see
> http://www.tycoelectronics.com/catalog/bin/TE.Connect?C=1&M=BYPN&TCPN=1408150-1&RQPN=1408150-1
>
>
>
> For various reasons we would rather eliminate the connector and solder the
> cable directly to the board. What is the good practice in doing that? I
> mean:
>
> How the cable can be mechanically secured to the board?
>
> How the cable must be prepared (stripped, etc.)
>
> Any other concerns?
>
>
>
> Thank you,
>
>
>
> Ioan Tempea, ing.
>
> Ingénieur Principal Fabrication / Sr. Manufacturing Engineer
>
>
>
>
>
> 30 ans déjà! - 30 years already!
>
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