J
Joachim Wunder
I think you're right about the uC being an 8748 or 8749. I'd confirm
that the reset pin (4) is not being held low by a shorted reset cap,
especially if it is a tantalum type. BTW, pin 5 is connected to Vcc,
so the 10K resistor is essentially a pullup.
Ok, I just measured the 8748/49 again with my logic tester:
Pin 4: HIGH, 0.000 kHz, 4,977 V
Pin 5: HIGH, starting with around 700.000 kHz and then steadily
dropping down to 0.439kHz, 4.987 V
I hope this is a good sign for the µC?
I have an old (1991?) Sunshine Expro-60 with an ISA controller card in
an old 486 box.
Yes, we enthusiasts never throw away these good old pieces of h/w
since we know that some day we´ll definitely need it again.
That's a big surprise. I would have thought these dishes were cheaper
in Europe where satellite TV is much more widespread.
Well, the last mesh dish which I could get in Europe was a KTI CKD-12
12 feet dish 2 years ago. And this was by far more than by accident!
Hehe. But when it comes to C-band feedhorns, LNBs and that stuff,
there is almost no way to get anyone in Germany who is willing to
import that for you. No way. Now, I have assembled the 12 ft mesh dish
already, I am still investigating for a valid dual-axis-mount which is
capable to withstand high windloads. And this topic is a real
nightmare, believe me. But I don´t want to get any more offtopic here.
Oh man...
Kind regards,
Joachim