T&L Publications

The're planning to make an affordable family car by bootstrapping with the profits from the road rocket.

JPKNHTP, that's nice way to let the magic smoke out of the PNP. You need some base current limiting.
Kam, the collector is not generally used as an input on a transistor. Can you post a schematic of what you are trying to do?

If you decide to stay in baseband, a video equalizer is useful(necessary?), because loss is frequency dependent. I don't know if this particular design has enough adjustment range for your application.

http://www.linear.com/pc/downloadDocume ... 1420,D4289

Originally posted by philba:

Originally posted by RonH:
Chris, you always cease to amaze me.

typo or not, I just about died laughing.

No typo.

Chris, you always cease to amaze me.

Brain fart...

<small>[ February 18, 2006, 07:38 PM: Message edited by: RonH ]</small>

I'm biting my tongue to keep from commenting on this:

My prototypes worked good so we went to a board mfg.

Google "direct digital synthesis".

I have two remote thermometers with WWV clocks. One projects the outside temperature onto my ceiling in my bedroom. The other projects the time, and the temperature in my garage, onto the ceiling in my bedroom (I watch my garage temp because my un-winterized motorhome is in it). Neither was astronom...

Originally posted by jimandy: I must have missed it but where did the quote come from that begins... "HOWEVER, SOME CHEMISTS DENIGRATE PATENTS...." The only source of this quote that Google could find is this site . Lots of interesting info here relating to the subject of chemical patents...

Check out this app note from Maxim.

Sounds like the beginning of the end to me. My first wife started out as a nursing major, switched to art, and did things like setting jars of colored water out in the yard to collect the sun's healthful energy. Then she decided it would be OK...scratch that... better to sleep with anything wearing ...

Note that the subcircuit is called TL431, not LM431. You can change it in the file if you want.

.subckt TL431 REFIN ANODE CATHODE Q8 Q2_C Q2_C R4_N 0 P1 Q9 CATHODE Q7_C Q9_E 0 n1 R8 Q4_E ANODE 800 R9 Q2_E R9_N 4k Q10 CATHODE R6_P ANODE 0 n1 5 Q11 Q7_C R10_P ANODE 0 n1 *.nodeset R3_N 1 C2 R9_N C2_N 20p R10 R10_P R1_N 1k C1 CATHODE Q7_C 20p D1 ANODE Q7_C DIODE D2 ANODE CATHODE DIODE R4 CATHODE R...

Originally posted by jwax:
Dave! Thank God for polarized plugs! You could have shorted out the whole power strip!

LOL!

Originally posted by philba:
huh, they can fix a subtility like than and not gross mis-spellings? go figure.

Um, that would be "subtlety" - or was that intentional? :p
It looks like N&V has corrected the misspelled word.