Mouser did come up with some sort of cross reference, njm741d, so I ordered 2 different replacement kinds, the data sheet shows it as a single op amp, with positive and neg inputs and working voltages.
Perhaps the 741 is a generic single op amp? I don't really do much with chips anymore... Brett > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Jim candela > Sent: Wednesday, February 28, 2007 11:49 PM > To: Discussion of AM Radio in the Amateur Service > Subject: RE: [AMRadio] Chip needed... > > > > -----Original Message----- > FromBrett gazdzinski > Sent: Tuesday, February 27, 2007 7:28 PM > > I am looking for an IC chip to fix my swan wm-3000, I > replaced the diodes with 1n34a and it works fine on rms, > but the pep reading is still dead. > All the other parts check fine, so I need to get a > small 8 pin IC chip made by NEC with the part number > of C151C. > It says on the top of the chip: > > NEC r62 > C151C 319 > > > Reply by Jim, WD5JKO: > > Brett, > > This might be a longshot, but the 8 pin chip might be a dual op-amp. > Google for a data sheet on devices such as mc1458, tl072, > lm358. The power > pins are 4 (gnd or -), and 8 (+). The outputs are pins 1, 7. > The LM358 is > usually used with a single supply, and the others with dual > +/- supplies. > All are readily available, and very cheap. > > Regards, > Jim > JKO > -- > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.5.446 / Virus Database: 268.18.5/706 - Release > Date: 2/28/2007 > 4:09 PM > > ______________________________________________________________ > AMRadio mailing list > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Partner Website: http://www.amfone.net > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected] > To unsubscribe, send an email to [EMAIL PROTECTED] with > the word unsubscribe in the message body. > ______________________________________________________________ AMRadio mailing list List Home: http://mailman.qth.net/mailman/listinfo/amradio Partner Website: http://www.amfone.net Help: http://mailman.qth.net/mmfaq.html Post: mailto:[email protected] To unsubscribe, send an email to [EMAIL PROTECTED] with the word unsubscribe in the message body.
