My fonts are going amuck On Wed, Nov 19, 2014 at 9:09 PM, paul swed <[email protected]> wrote:
> I know I have some numbers of chroma demod chips as I recall. Picked up in > a flea market special along with other more useful chips. > I absolutely have the LH033 buffers. Fet input and like lots of power. > Have used them as frequency buffers. > Super easy to use. Real chips > Regards > Paul > WB8TSL > > On Wed, Nov 19, 2014 at 9:00 PM, Jim Lux <[email protected]> wrote: > >> On 11/19/14, 3:59 PM, Dave Daniel wrote: >> >>> I remember the "Fast and Damn Fast Buffer Amp" data sheet. LH0036? I may >>> not be remembering the correct part number. I used to have a copy of >>> that data sheet, as well as another that was labeled "DC to Daylight" on >>> the data sheet. >>> >>> DaveD >>> >>> On 11/19/2014 2:42 PM, Mike Feher wrote: >>> >>>> Hi Doug - >>>> >>>> Wow. Wonder how many on here remember or know about National's "Damn >>>> Fast" line, HI. I used them all the time, and, still have a few. 73 - >>>> Mike >>>> >>>> >> In the 1984 databook (Blue cover with the yellowing fragile newsprint >> pages) and in the 1975 databook (yellow and green cover, nice quality >> paper). LH0033 and LH0063 are the Fast and Damn Fast buffer amplifiers. In >> this context the data sheet says 6000V/microsecond. With +/- 10V into a 50 >> ohm load (although you only get 2400 V/us there) >> >> Last two pages in the 84 book are just blank. Last page in the 75 book is >> a description of MIL-STD-883B >> >> Interesting parts.. They aren't kidding when they say you need good power >> supply bypassing and decoupling.(a comment that is in the 84 book but not >> the 75 version) I'm trying to remember what I was using them for: driving a >> YIG tuning coil in a phase locked loop, I think, but it might have been >> driving a fast RF switch. >> >> >> Interesting parts back then.. Does anyone still make or use a LM746 >> "chroma demodulator" (other than as a replacement part) or any of the other >> very purpose specific parts for parts of a TV? (like LM1845 signal >> processing, etc.) >> >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/ >> mailman/listinfo/time-nuts >> and follow the instructions there. >> > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
