View online or download sanjian studio plj8ledc user manual. Minicircuits portable test equipment programming manual page 55 chapter 5 frequency counters 25apr a0 5. Circuit specialists carries everything from affordable handheld universal frequency counters to professionalgrade handheld field strength analyzer frequency counters for your testing requirements. Edit lister 3 user manual comprehensive video supply corp. Discontinued sainsmart diy kits 1hz50mhz crystal oscillator frequency counter meter brand. Frequency counter software free download frequency. The plj6leda module is a costeffective 8digit frequency counter and display module primarily to display the operating frequency in a transceiver and other equipment.
Frequency counter detailed circuit diagram available. The incorporation of the most updated semiconductor techniques develops a compact, high performance. Whatever frequency counter styles you want, can be easily bought here. All intellectual property rights contained in this product are the property of sanjian studio. Oct 09, 2016 this one is long overdue and is a rework of the manual for the plj1601c frequency counter from the 1watter project. The 10 dollar counter was an exact match the calibrated radio. Some frequency counters will have trigger points that can be set, but most automatically set the trigger often around the zero crossing point. Theyre too big to fit behind the window in a tram d201 or a siltronix vfo. But the one that i bought it has mb501l which is 1. Its compact, easy operation, reliable work, mainly for the diy transceiver frequency value displayed can also be used for normal frequency. The sro100 programmable digital indicator frequency counter may be used in any application requiring a programmable frequency counter with a scaled output. Well if everyone sounds this way, then its probably that your radio is off frequency. Technical specification for extended package 250mhz counter.
The plj6leda module is a costeffective 8digit frequency counter and. Sanjian studio plj8ledc user manual pages 8digit led frequency counter module brand. Service manuals, schematics, eproms for electrical technicians. These are commonly used in laboratories, factories and field environments to provide direct frequency measurements of various devices.
Installing frequency counter in mfj9420 mfj9420 ssb transceiver 20meter qrp duration. It is advertised as supporting up to 45 mhz, i was able to successfully test a 33. Control system studio cs studio, css is the result of contributions from many people. Frequency is defined as the number of events of a particular sort occurring in a set period of time. Frequency counter module model plj 8led cdisplay the operating frequency in a transceiver and other equipment. Description and parameterization menue settings of plj6led frequency counter dl7maj, dec. If the input signal is greater than 60 mhz but a weak signal level prevents automatic high channel selection, it is possible to manually select the high frequency channel. Introduction a frequency counter is an electronic instrument, or component of one, that is used for measuring frequency. Usb frequency counter that the user wishes to control. Most frequency counters work by using a counter which accumulates the number of events occurring within a specific period of. Low frequency input lf 10hz 5mhz high frequency input hf 5mhz. Ideal tool for using around the house, in your boat, on hunting and camping trips, on the ski slopes or at the. Is a cheap chinese cryometer a reliable modern means to accomplish digital accuracy for our old generators. Counts when the input rises or falls past a set level.
Some frequency counters will have trigger points that can be set, but most automatically set the trigger. Most of us use a frequency counter to dial them in. The description of audio frequency counter frequency counter based on the microphone input. Frequency is a measure of how fast a repetitive signal repeats per unit time and commonly measured in hz cycles per second. Frequency counters typically measure the number of pulses or oscillations per second in a waveform. This unit did not come with instructions, so here you are. Frequency counter diy kit wlcd 10hz250mhz from rh electronics on tindie. Due to uniquely developed lsi circuitry in an expandingreciprocal system, high accuracy with 9digit resolution is a chieved with a ten second gate time.
Rhkfc1250 purchase includes 1pcs lcd 16x2 green backlight and. Our frequency counters sometimes called cymometers range from 0. A 10 khz signal, therefore, could be at a level as high as 60 v rms. Sanjian studio plj6leda led frequency countercymometer demo and instructions duration. This reciprocal frequency counter is a microprocessorcontrolled instrument for frequency measurement. Diy 1hz50mhz crystal oscillator frequency counter meter. Agents should go to the main page of the taobao search engine and search for sanjian studio or plj8led or they can also directly contact the company.
Sep 29, 2016 installing frequency counter in mfj9420 mfj9420 ssb transceiver 20meter qrp duration. I have been impressed with the plj8led cymometer from sanjian studio. Technical support documentation nanostring technologies. Plj8led frequency counter user operating manual 9 product ordering to facilitate the use of test equipment, sanjian studios can supply small quantities for personal purchases. Description and parameterization menue settings of plj. Chapter 5 frequency counters 25apr a0 chapter 5 frequency counters. Ic cd4033 consists of a 5stage counter and an output decoder that converts the code into a 7segment decoded output for driving one stage of. The dynamic range in the 500 mhz range is very small. Frequency counter a frequency counter is standalone instrument or capability of an instrument for measuring frequency. Solved the siltronix problem by replacing the entire faceplate with smoked plexiglass. Five decade counter cum7segmentdriver ics each cd4033 are connected in tandem to form a 5digit decimal counter. Nov 17, 2016 overall i am quite satisfied with this doityourself crystal oscillator tester frequency counter kit. Frequency counter software free download frequency counter top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. Ive done the best i can against the original version which you need to have on hand in some places where the translation doesnt quite make sense plj1601cenglishtranslationv2 plj1601cchineselanguageversion absolutely no warranty liability.
The sanjian plj6led frequency displays are incredibly useful, and do just what they claim. Selectable power saving mode, within 15 seconds if there is no significant change in the frequency. It endeavors to provide the products that you want, offering the best bang for your buck. Description the gfc8010h frequency counter is a generalpurpose counter with a measurement range from 0.
Unique gate control and precise time algorithm nontimed interrupt. Jul 11, 2014 this is a brief overview and demonstration video of how to operate the sanjian studio led frequency counter. I have designed new pcb to fit with 16x1 lcd and change source code for compatible with new small pcb specifications autoranging with floating decimal point. Plj1601c frequency counter english language version by m0xxf 3 p a g e profile product description plj1601c frequency display module is designed for ham design of frequency measurement instruments. Sanjian studio plj6leda led frequency countercymometer. Plj1601c frequency counter manual english language. Most frequency counters work by using a counter that accumulates the number of events oscillations occurring with in a specific period of time. Use a hfsignalgenerator with 50 to 60mhz and adjust trimpot when reducing input voltage. Overall i am quite satisfied with this doityourself crystal oscillator tester frequency counter kit. User manual plj0802 plj0802f manual plj0802c manual plj0802c manual.
In essence a frequency counter is an electronics test instrument that operates by counting the number of times a signal passes a give voltage point trigger point in a given time. The module offers compact, reliable high performance with clear display at low cost. Description and parameterization menue settings of plj6led frequency counter. If you want to buy cheap frequency counter, choose frequency counter from. This is a brief overview and demonstration video of how to operate the sanjian studio led frequency counter. Due to uniquely developed lsi circuitry in an expandingreciprocal system, high accuracy with 9digit resolution is achieved with a one second gate time. Your radio may have a builtin frequency counter, or if your radio has a frequency counter jack on the back you can use the fc347 frequency counter, with either of these options you now have a tool to tell if something is amiss on your end. This one is long overdue and is a rework of the manual for the plj1601c frequency counter from the 1watter project.
A frequency counter measures the frequency of an input signal. This project is nice and small frequency counter that reads frequency from 1 hz to 50 mhz that i have modified from original designed by weeder technologies. Minicircuits portable test equipment programming manual page 510 chapter 5 frequency counters 25apr a0. Depending on the frequency of the input signal, the counter will automatically select the high or low channel change occurs at 60 mhz. I have been impressed with the plj8led cymometer from sanjian studio, china via ebay. View and download sanjian studio plj8ledc user manual online. This site helps you to save the earth from electronic waste. Sanjianstudio plj1601a frequency counter service manual. Diy 1hz50mhz crystal oscillator frequency counter meter kits. The plj8ledh rf signal frequency counter meter tester. The plj8led c module is a costeffective 8digit frequency counter and display. Circuit specialists carries everything from affordable handheld universal frequency counters to professionalgrade handheld field strength analyzerfrequency counters for your testing requirements. Noticed something unusual about this lcd frequency counter, it seems to be transmitting a low power beacon on 446.
President madison freq counter page 2 worldwidedx radio forum. You can adjust the frequency if you have a frequency standard. Its convenient portable and easy to use, that you can carry almost anywhere. It may also be used for conventional frequency measurement.
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