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source for switching dc-dc step down converter?

I'm looking for a 12v to 7.2V (8v ok), 3A dc-dc converter - end product. I don't mind soldering on input/output cables...
1 comments posted 19yrs
posted by nospam
1 comments posted 19yrs posted by nospam

need to convert from MIC level to LINE-INPUT level

Most portable cassette tape recorders have a MIC jack where you can plug in a simple microphone. Hpwever, some recordin...
15 comments posted 19yrs
posted by wylbur37nospam
15 comments posted 19yrs posted by wylbur37nospam

measurements corp model 80 sig gen

The am modulation in my model 80 quit. Which tubes are used in this circuit? The rf output is OK. tnx, AL
1 comments posted 19yrs
posted by w6wqc
1 comments posted 19yrs posted by w6wqc

FS: HP 8924C Service Monitors with 60W input

Hi All, Amtronix Instruments, Inc will have HP 8924C Service Monitors at the Dayton Hamvention May 18th, 19th in the ou...
1 comments posted 19yrs
posted by rick
1 comments posted 19yrs posted by rick

fs; HP 8924C 60/125 watt service monitors

Hi Everyone, We will have HP 8924C Service Monitors with the 60/125 watt input at the Dayton Hamvention space 3036. Uni...
1 comments posted 19yrs
posted by rick
1 comments posted 19yrs posted by rick

ac adapter

I have an electric dog fence. We had an electrical storm the other night, and the next day the dog fence was not workin...
2 comments posted 19yrs
posted by jmeich80
2 comments posted 19yrs posted by jmeich80

HP 15116A Pulse Inverter

HP used to build a pulse inverter that would take a pulse and flip it to the opposite polarity. It looks to be a simple...
2 comments posted 19yrs
posted by mleigh
2 comments posted 19yrs posted by mleigh

DxxxxxxS-1W (dual twin output)DC-DC CONVERTERS

Fixed input isolated & unregulated 1W twin output SIP package dc/dc converter, high efficiency up to 83%, it is ideally...
0 comments posted 19yrs
posted by sales02
0 comments posted 19yrs posted by sales02

AC Voltage Booster

I'm looking for something that will take a 10V RMS, 400Hz Sine wave and boost it to 12V RMS (still at 400Hz). Is there...
6 comments posted 19yrs
posted by mrshael2
6 comments posted 19yrs posted by mrshael2

Cheap thermometer calibration technique?

I know this subject of "cheap" and "calibrate" used in the same sentence may well be anathema to some of you but I need...
179 comments posted 19yrs
posted by me
179 comments posted 19yrs posted by me

PCB Manufacture

I often read in the NG's about the dissappointments some have in using off-shore PCB manufacturers. Well, heres some go...
0 comments posted 19yrs
posted by localhost
0 comments posted 19yrs posted by localhost