Hi Manish, Try: Texas Instruments & Burr-Brown parts: http://www.ti.com/ Analog Devices: http://www.analog.com/ The old Harris & Elantec parts: http://www.intersil.com/ The old Comlinear part line: http://www.national.com 73 & Good morning, Marv WC6W -- cm215@greenwich.ac.uk wrote: Chaps, I am trying to build a subtractor, and I need a Op Amp that can operate at 100MHz or above! Any ideas or manufactures that supply high frequency Op Amps? Manish _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps ___________________________________________________________________ Try Juno Platinum for Free! Then, only $9.95/month! Unlimited Internet Access with 250MB of Email Storage. Visit http://www.juno.com/value to sign up today!