Position: Home > Circuit Diagram > Measuring and Test Circuit > Index 8

Low Cost Custom Prototype PCB Manufacturer

Measuring and Test Circuit

Index 8

Crystal Tester, #2

Published:2013/2/27 20:46:00 Author:muriel | Keyword: Crystal Tester, #2

Crystal Tester, #2
(View)

View full Circuit Diagram | Comments | Reading(1116)

Crystal Tester, #1

Published:2013/2/27 20:46:00 Author:muriel | Keyword: Crystal Tester, #1

Crystal Tester, #1
(View)

View full Circuit Diagram | Comments | Reading(1115)

Continuity Tester, Smart

Published:2013/2/27 20:43:00 Author:muriel | Keyword: Continuity Tester, Smart

Continuity Tester, Smart
(View)

View full Circuit Diagram | Comments | Reading(3943)

Continuity Tester, Low-Voltage

Published:2013/2/27 20:42:00 Author:muriel | Keyword: Continuity Tester, Low-Voltage

Continuity Tester, Low-Voltage
(View)

View full Circuit Diagram | Comments | Reading(1261)

Christmas Lights Tester

Published:2013/2/27 20:39:00 Author:muriel | Keyword: Christmas Lights Tester

Christmas Lights Tester
(View)

View full Circuit Diagram | Comments | Reading(1131)

Bug Detectors

Published:2013/2/27 20:36:00 Author:muriel | Keyword: Bug Detectors

Bug Detectors
(View)

View full Circuit Diagram | Comments | Reading(1354)

Battery Tester for 1.5 & 9V

Published:2013/2/27 20:27:00 Author:muriel | Keyword: Battery Tester, 1.5 & 9V

Battery Tester for 1.5 & 9V
(View)

View full Circuit Diagram | Comments | Reading(992)

Triac speed measuring circuit

Published:2013/2/26 3:08:00 Author:Ecco | Keyword: Triac speed measuring

Triac speed measuring circuit is shown as figure. (View)

View full Circuit Diagram | Comments | Reading(1308)

Simple Field Strength Meters

Published:2013/2/25 20:25:00 Author:muriel | Keyword: Simple Field Strength Meters

Simple Field Strength Meters
(View)

View full Circuit Diagram | Comments | Reading(1134)

RF field meter

Published:2013/2/25 20:24:00 Author:muriel | Keyword: RF field meter

RF field meter
(View)

View full Circuit Diagram | Comments | Reading(1726)

FIELD STRENGTH METER Mk II

Published:2013/2/25 20:23:00 Author:muriel | Keyword: FIELD STRENGTH METER Mk II

FIELD STRENGTH METER Mk II
(View)

View full Circuit Diagram | Comments | Reading(2166)

Field Strength Meter MkI

Published:2013/2/25 20:22:00 Author:muriel | Keyword: Field Strength Meter MkI

Field Strength Meter MkI
(View)

View full Circuit Diagram | Comments | Reading(1297)

Field strength meter for the 137 kHz band

Published:2013/2/25 20:21:00 Author:muriel | Keyword: Field strength meter, 137 kHz band

Field strength meter for the 137 kHz band

(View)

View full Circuit Diagram | Comments | Reading(2286)

Field Strength Meters

Published:2013/2/25 20:20:00 Author:muriel | Keyword: Field Strength Meters

Field Strength Meters
(View)

View full Circuit Diagram | Comments | Reading(3236)

Static Detector Negative Ion Detectors

Published:2013/2/24 21:11:00 Author:muriel | Keyword: Static Detector, Negative, Ion Detectors

Static Detector Negative Ion Detectors
(View)

View full Circuit Diagram | Comments | Reading(1156)

Low Droop Track-and-Hold/Peak Detector Circuit

Published:2013/2/24 20:26:00 Author:muriel | Keyword: Low Droop, Track-and-Hold/Peak , Detector Circuit

Low Droop Track-and-Hold/Peak Detector Circuit
(View)

View full Circuit Diagram | Comments | Reading(1748)

FET INPUT HIGH SPEED LIGHT DETECTOR

Published:2013/2/24 20:03:00 Author:muriel | Keyword: FET INPUT, HIGH SPEED, LIGHT DETECTOR

FET INPUT HIGH SPEED LIGHT DETECTOR
(View)

View full Circuit Diagram | Comments | Reading(972)

Speed measuring circuit with integrated speed sensor KMI15/16

Published:2013/2/19 1:24:00 Author:Ecco | Keyword: Speed measuring , integrated speed sensor

Speed measuring circuit with integrated speed sensor KMI15/16
R2, R3 and C4 form the low pass filter with 1kHz upper limit frequency. Comparator LM393 is powered by UDD. After R4, R5 partial pressure, UDD obtains a reference voltage U1 which is added to the inverting input terminal of LM393, speed signal U2 is connected to the noninverting input. (View)

View full Circuit Diagram | Comments | Reading(1210)

Simple analog phase detector circuit diagram

Published:2013/2/18 0:20:00 Author:Ecco | Keyword: Simple analog phase detector

Simple analog phase detector circuit diagram
It is composed of an operational amplifier TL072 and analog switch MAX4521, it is applicable to PLL circuit or lock-in amplifier. Supply voltage is ± 5V, the input and output signal level is below ± 4V, and the operating frequency is 10Hz ~~ 100kHz. The UiA and UiB are respectively input sine wave and square wave with the same frequency, square wave's duty cycle is 50 %, the output waveform of A1 is shown in Figure (b). (View)