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Fiber Optic Circuits
 

Last Updated: October 18, 2017 05:04 AM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

Circuits Designed by Dave Johnson, P.E. :

1Khz to Over 70Mhz Light ReceiverThis circuit uses one tiny C-MOS inverter IC to form a modulated light receiver with a very fast response.  It is designed around a PIN photo diode that is packaged for use with plastic optical fibers.  It can be used as an optical fiber receiver.  By using the open end of the optical fiber it can "sniff" out any modulated light signals . . . Hobby Circuit designed by Dave Johnson P.E.-June, 2000

2Mhz Broad Band Optical Fiber ReceiverIf you need more sensitivity than the above circuit this circuit provides about ten times more gain.  It too is designed around an inexpensive plastic optical fiber detector . . . Hobby Circuit designed by Dave Johnson P.E.-June, 2000

50Mhz Broad Band Optical Fiber Receiver Version AIf the above circuit it still too slow, you can try this circuit.  What it lacks in sensitivity it makes up for in speed.  The circuit attaches a plastic fiber optic PIN photodiode assembly to a small box containing a small 3v battery and a standard. . . Circuit by Dave Johnson P.E.-June, 2000

5Mhz Broad Band  Optical Fiber ReceiverThis circuit is a simple broad band light detector that uses a very inexpensive IC and a PIN photodiode that is packaged for use with plastic optical fibers.  It has a bandwidth from 1KHz to over 5MHz.  It is great for experimenting with various modulated. . . Circuit by Dave Johnson P.E.-June, 2000

Broad Band 2Mhz Optical Fiber ReceiverIf you need more sensitivity than the above circuit this circuit provides about ten times more gain.  It too is designed around an inexpensive plastic optical fiber detector. . . Circuit by David A. Johnson P.E.-June, 2000

Broad Band 50Mhz Optical Fiber Receiver Version AIf the above circuit it still too slow, you can try this circuit.  What it lacks in sensitivity it makes up for in speed.  The circuit attaches a plastic fiber optic PIN photodiode assembly to a small box containing a small 3v battery and a standard . . . Hobby Circuit designed by David Johnson P.E.-June, 2000

High-speed 75MHz light receiverThis circuit uses one tiny C-MOS inverter IC to form a modulated light receiver with a very fast response.  It is designed around a PIN photo diode that is packaged for use with plastic optical fibers.  It can be used as an optical fiber receiver.  By using the open end of the optical fiber it can "sniff" out any modulated light signals. . . Circuit by Dave Johnson P.E.-June, 2000

Light Receiver Works from 1Khz to Over 70MhzThis circuit uses one tiny C-MOS inverter IC to form a modulated light receiver with a very fast response.  It is designed around a PIN photo diode that is packaged for use with plastic optical fibers.  It can be used as an optical fiber receiver.  By using the open end of the optical fiber it can "sniff" out any modulated light signals. . . Circuit by David Johnson P.E.-June, 2000

Optical Fiber Receiver-5Mhz Broad BandThis circuit is a simple broad band light detector that uses a very inexpensive IC and a PIN photodiode that is packaged for use with plastic optical fibers.  It has a bandwidth from 1KHz to over 5MHz.  It is great for experimenting with various modulated . . . Hobby Circuit designed by David Johnson P.E.-June, 2000

1Khz to Over 70Mhz Light Receiver -  This circuit uses one tiny C-MOS inverter IC to form a modulated light receiver with a very fast response.  It is designed around a PIN photo diode that is packaged for use with plastic optical fibers.  It can be used as an optical fiber receiver.  By using the open end of the optical fiber it can "sniff" out any modulated light signals . . . Hobby Circuit designed by Dave Johnson P.E.-June, 2000

2Mhz Broad Band Optical Fiber Receiver -  If you need more sensitivity than the above circuit this circuit provides about ten times more gain.  It too is designed around an inexpensive plastic optical fiber detector . . . Hobby Circuit designed by Dave Johnson P.E.-June, 2000

50Mhz Broad Band Optical Fiber Receiver Version A -  If the above circuit it still too slow, you can try this circuit.  What it lacks in sensitivity it makes up for in speed.  The circuit attaches a plastic fiber optic PIN photodiode assembly to a small box containing a small 3v battery and a standard. . . Circuit by Dave Johnson P.E.-June, 2000

5Mhz Broad Band  Optical Fiber Receiver -  This circuit is a simple broad band light detector that uses a very inexpensive IC and a PIN photodiode that is packaged for use with plastic optical fibers.  It has a bandwidth from 1KHz to over 5MHz.  It is great for experimenting with various modulated. . . Circuit by Dave Johnson P.E.-June, 2000

AN89A Thermoelectric Cooler Temperature Controller for Fiber Optic Lasers: Climatic Pampering for Temperamental Lasers -  Linear Technology AN89 __ Designed by Jim WilliamsApr 1st, 2001

Broad Band 2Mhz Optical Fiber Receiver -  If you need more sensitivity than the above circuit this circuit provides about ten times more gain.  It too is designed around an inexpensive plastic optical fiber detector. . . Circuit by David A. Johnson P.E.-June, 2000

Broad Band 50Mhz Optical Fiber Receiver Version A -  If the above circuit it still too slow, you can try this circuit.  What it lacks in sensitivity it makes up for in speed.  The circuit attaches a plastic fiber optic PIN photodiode assembly to a small box containing a small 3v battery and a standard . . . Hobby Circuit designed by David Johnson P.E.-June, 2000

Experimental fiber optic receiver -  Schematic Only __

Fiber Optic Communication Systems Benefit from Tiny Low Noise Avalanche Photodiode Bias Supply -  DN273 Design Notes___ Linear Technology/Analog Devices

Fiber vs Copper: Sometimes Its Not an Easy Choice -  11/21/96 EDN-Design Feature  Building Choosing between fiber-optic and copper interconnect systems is sometimes difficult, entailing considerations of distance, cost, required bandwidth, and specialized expertise.   __ Circuit Design by Design Feature by Bill Travis, Senior Technical EDFtor

High-speed 75MHz light receiver -  This circuit uses one tiny C-MOS inverter IC to form a modulated light receiver with a very fast response.  It is designed around a PIN photo diode that is packaged for use with plastic optical fibers.  It can be used as an optical fiber receiver.  By using the open end of the optical fiber it can "sniff" out any modulated light signals. . . Circuit by Dave Johnson P.E.-June, 2000

Light Receiver Works from 1Khz to Over 70Mhz -  This circuit uses one tiny C-MOS inverter IC to form a modulated light receiver with a very fast response.  It is designed around a PIN photo diode that is packaged for use with plastic optical fibers.  It can be used as an optical fiber receiver.  By using the open end of the optical fiber it can "sniff" out any modulated light signals. . . Circuit by David Johnson P.E.-June, 2000

Monitor Calibration in Fiber Optic Applications -  App Note/ 1030 / Aug-07) ___ Maxim Integrated

Optical Fiber Receiver-5Mhz Broad Band -  This circuit is a simple broad band light detector that uses a very inexpensive IC and a PIN photodiode that is packaged for use with plastic optical fibers.  It has a bandwidth from 1KHz to over 5MHz.  It is great for experimenting with various modulated . . . Hobby Circuit designed by David Johnson P.E.-June, 2000

Remote Switch Uses No-Power Fiber-Optic Link -  10/10/96 EDN-Design Ideas The heavy-duty switching device in Figure 1 counts the number of products manufactured and rolled out of a production line per hour.  The switch is useful for counting rolling heavy objects or materials weighing one to several thousand kilograms.  It generates one pulse per__ Circuit Design by Shyam Tiwari, IGKAR, Kalpakkam, India

Sensor Derives Power From Laser Over Fiber -  02/15/96 EDN-Design Ideas The photovoltaic power-supply circuit in Figure 1 delivers 3.34V (1.67V) at 5 to 20 mA to a low-power data-acquisition circuit.  The total conversion efficiency is 40%; you can thus use a low-cost laser as the power source.  The LM385Z shunt-regulates the photovoltaic converter at 1.67V output.  This voltage is close to the optimum power-out value for the converter, which specs a 2V open-circuit output.  The MAX665 voltage-inverter circuit provIdeas about 95% efficiency vs the 83% you'd obtain from a boost switcher, whose high start-up currents could cause the circuit to hang up.  Moreover, the inverter doubler does not produce current spikes, and its ramp-shaped ripple is easy to filter.  Low power-supply noise is important in powering a 12-bit ADC at 3.3V (1 LSB=0.8 mV).  Note that pin 5 of the instrumentation amplifier connects to the 1/2VCC point rather than to the negative rail.__ Circuit Design by Noor Khalsa, EG&G Los Alamos, NM

Thermoelectric Cooler Temperature Controller for Fiber Optic Lasers -  AN89 Linear Technology This App Note presents circuitry for maintaining 0.01C temperature control of fiber optic lasers over wide ambient range variations.  The circuitry also features high efficiency power delivery, compact size and low noise.  Detailed descriptions of circuitry and results are given with special emphasis on rmal loop optimization.  An appended___ Linear Technology/Analog Devices


Fiber Optic Circuits

 


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