At a risk of having you folks tear it apart, here is my poor man's guide to
getting good crimps on large cables:
https://sites.google.com/site/marksrvmods/home/battery-wiring
You can see the cross section and there are no voids at all. You can hardly
see where the wire strands end and the lug
After a failure under load of a starter cable on a large generator, I
finally broke down and bought a Burndy hydraulic crimper for the grounds
and cables I normally use.
Did two test low-tech tests:
First test on a 1" section of 2/0 DLO cable, with a two bolt telco lug
at each end. It
On 10/4/2019 5:07 PM, Taka Kamiya wrote:
I used to use power pole, too but they don't lock firmly enough for my liking.
So I don't use them anymore. It would be perfect if there is an option to add
positive locking mechanism of some kind.
I know of three such mechanisms:
* Anderson
On Mon, Oct 7, 2019 at 4:00 AM Poul-Henning Kamp wrote:
>
>
> In message
> , Michael
> Smith writes:
>
> >A mil-spec connector must be crimped with a routinely CALIBRATED" crimping
> >tool specified by the connector manufacturer, or equal.
>
> You forgot the bit about "X percentage of
Tobias,
You have not shown the rest of your GPSDO, but presumably it includes a
phase detector and processor which implement a phase locked loop that
compares the oscillator phase with a 1 pps signal from the GPS.
For open loop VCXO testing, you will certainly need to be concerned with
the
Detecting the steep drop in oven heater current when the temperature regulator
loop assumes control shouldn't require an extremely low tempco sensing resistor.
In principle PWM DACs can offer high resolution at relatively low cost, one
tradeoff being the settling time of the low pass filter
Hi Guys,
I am planning to make a new version of my own GPSDO. I have attached the
schematic of the OCXO and DAC. Because the stability of my previous design was
not yet optimal, I now chose better components; my main criteria was the lowest
tempco I found.
As one can see, I plan to use the
In message
, Michael
Smith writes:
>A mil-spec connector must be crimped with a routinely CALIBRATED" crimping
>tool specified by the connector manufacturer, or equal.
You forgot the bit about "X percentage of all crimps must be destructively
pull-tested"
If people want to learn
> In the case of Power-Pole connectors, as someone else described, the
> exact placement and alignment of the crimp, and how the terminal deforms
> during the crimp, is important to successful insertion of the crimped
> terminal into the plastic shell where the contact-force leaf spring
> retains
Please note the differences between a crimped connection and "MILITARY
SPECIFICATION" (mil-spec) crimped connections.
Most of the specifications being quoted on time-nuts are for mil-spec
quality crimped connections. Most of the connectors hobbyist use are not
mil-spec, but generic crimp
The first time that I tried to set the FA2 internal oscillator frequency I
tilted the case so that the screen was facing down and the adjustment screw was
facing up. I got it on frequency, but when I placed the unit with the bottom
of the case facing down the oscillator was 0.032 Hz off. So I
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