Fan Control Advances: Consider Fan Regulation:  App Note 896: Maxim IC  (application note added6/06)

Fan Controller Adapts to System Temperature:  09/25/97 EDN-Design Ideas /(added 4/05)   -The circuit adjusts a fans speed according to temperature.

Fan Speed Control is Cool!:  App Note 1784: Maxim IC  (application note added6/06)

Fan Timer Based on Motorola 68HC908QT2:  (electronic circuit added 4/05)

Finite State Machine Programmable Logic Controller:  Finite State Machine based Programmable Logic Controller.  7 Inputs   8 Outputs   Simple IF/THEN/ELSE based compiler language generates direct EPROM files…. (add 11/05)

Fire Stick infrared Remote Control:  (circuit / schematic design added 6/06)

Fluorescent Desk Lamp:  This circuit will power a 6 inch4-Watt fluorescent tube off a12 volt supply, consuming300 mA. It may also be powered by a suitably rated universal AC/DC adapter. (added 11/05)

Fluorescent Lamps Ballasts and Fixtures:  (circuit / schematic added 5/03)

FM RF Remote Control (88-108 MHz):  1KM Range  (added 6/06)

Fogger Smoke Machine:  (design circuit added 8/02)

Force/Sense Connection Eliminates Multiplexer on Resistance Error:  01/22/04 EDN Design Ideas  /  (added 1/05)  Digitally controlled gain is an everyday analog-design element. You frequently find this element in an op-amp-based, transimpedance current-to-voltage converter. When you design digital gain control into such a converter, the usual scheme is to arrange things such that a digital multiplexer selects the appropriate feedback resistor for each gain figure....

Four Channel RF Remote Control:  (electronic circuit added 4/05)

Four Way Switcher #2:  (Electronic Schematic added 10/06)

Four Way Switcher:  (Schematic added 10/06)

Four-Speed Fan Control using Simple Remote Diode Temperature Sensor:  National Semiconductor Application Note   (app note added 6/06)

General Purpose Display Controller:  This is a general purpose display controller for small microcontrollers. It will be used for various use because it is easy to change its configuration through using a CPLD.  (added 6/06)

GIC Resonator has Inherent Amplitude Control:  08/22/02 EDN Design Ideas  /  (added 1/05)  The circuit in Figure 1 is based on a classic GIC (generalized impedance converter). The sine-wave-oscillator circuit has inherent amplitude stabilization and normally operates from dual power supplies. However, if you connect an additional resistor, RCC, to VCC, you can operate the circuit with one supply (with VEE=0V)....

Ground Rules for High Speed Circuits:  AN-214 Analog Devices Application Note   (app note added 6/06)   Layout and Wiring Are Critical in Video Converter Circuits.

Grounding for Low-and-High-Frequency Circuits:  AN-345 Analog Devices Application Note   (app note added 2/06)