OpAmps

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Deciphering Electrical Characteristics in an Op Amp Datasheet

http://focus.ti.com/docs/training/catalog/events/event.jhtml?sku=OLT410006 The Operational Amplifier (Op Amp) is often the key analog gain block in acquiring and scaling real world signals in any data acquisition system. To predict system accuracy when using op amps it is important to understand the op amp data sheet and how individual specifications affect both the DC and AC transfer accuracy through the op amp.

Opamp Test and Design Board

Opamp Design and Test Board Rod Elliott (ESP) http://sound.westhost.com/project41.htm
http://www.hairballaudio.com/blog/diy-je-990-discrete-operational-amplifier/ One of the key features of the Lola Microphone Preamplifier is the inclusion of two 990 op-amps.

Hairball Audio, LLC - DIY JE-990 Discrete Operational Amplifier

JLM Hybrid Opamp http://www.jlmaudio.com/JLM%20Hybrid%20opamp.htm

JLM Hybird Opamp Kit

SCIENCE HOBBYIST: how transistor works, an alternate viewpoint

http://amasci.com/amateur/transis.html Voltage-driven charge-flows First of all, you must abandon the idea that current travels in transistors or flows inside of wires.
http://talkingelectronics.com/projects/OP-AMP/OP-AMP-1.html Page 1 Go to: P2 P3 Before we describe anything technical, let's see one in action.

The OP-AMP

http://classicapi.com/catalog/product_info.php?cPath=71_72&products_id=136

Classic Audio Products of Illinois

The gar2520 DOA Full Kit Bundle is a full and complete parts kit with everything required to complete the gar2520 Discrete Operational Amplifier build.
http://www.gearslutz.com/board/product-alerts-older-than-2-months/406270-gar2520-discrete-opamp-kit.html

gar2520 Discrete Opamp Kit

Quote: Hey skydog, When Gary and I developed our "relationship" regarding his opamps, I agreed that I would never assemble and sell them myself.