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Hi does anyone know of an equivalent to a Fairchild ML2037 programmable sine wave generator as they no longer make this part. Many thanks

Hi Can anyone tell me who makes digitaly programable sine wave ic's Many thanks

Help I Need to produce a good quality variable sine wave of 20V between 25kHz 150KHz can anyone help Many thanks

Hi can anyone help I'm using an AD633JN analoge multiplier which is to expensive. Can anyone suggest alternatives (Im using it as a sine wave phase detector) many thanks DPJ

Hi Can any one help?? I Have a tuned circuit which needs to be varible (25K-100K) I've tried varactor diodes which only seem to go up to 100pF which is not enough I need at least 2nF, is there a way of increasing the capacitance. Or a simple way of making a bandpass filter which is controled by...

Hi Can any one tell me if there are off the shelf IC's that will take a 24v AC input and give me a 5v out put Ive been using Diode,cap and opto isolater but would like to cut down on components

Many thanks for replying. The power supply has a 24v Ac Transformer 0 rail is grounded 24v rail comes through a 33 Ohm res then through a diode (Half Wave Rec) smoothed by a 220uF cap then to a 12V Reg Then a 22uF cap + 100nF followed by a 5v Reg at this point there is a 10uF cap. The problem...

Hi Can any One Help I need to convert a varable Square Wave Between 25Khz to 100Khz to a varable sine wave and if possible keeping constant amplitude any help would be appriciated.

Dear All, I need a power supply circuit run from 24V AC using a common ground for TRIAC firing. Unfortunately, with the one I have at present, when I turn the TRIACs on and bring on mains voltage contactors, I get HORRIBLE spikes in my 5V supply to my micro. I cannot use contact suppressors as...