Results tagged #Frequency Counter in Circuits
Cycle 100 MHz frequency counter circuit diagram
As shown, a CD4016 analog instrument is used here as a multiple multiplexed digital output, these output transfer function back to the inpu...
Frequency Counter
I needed an excuse to use the soldering iron so I figured that I might as well as make a frequency counter which is something that I`ve alwa...
Single Display LED Frequency Counter
As equipment becomes increasingly more compact, designers are often obliged to follow suit by reducing the size of displays. At some point, ...
50 MHz frequency counter voltage meter & SWR/PWR indicator
This is a successor of the PIC16C71 4-digit LED f-counter & V-meter. Some hard to find parts used in the previous version, which are out of ...
Frequency counter Oscillator schematic
The oscillator provides a 1MHz and a 1khz clock. The 1MHz clock is used as the clock for the microcontroller and as timebase for millisecond...
Frequency counter Logic schematic
The lower schematic is a pretty standard bidirectional rectifier together with capacitors and a 7805 as a fixed 5V source which supplies all...
Frequency counter Input schematic
The master mode selection switch is IC6 which switches the 4 mode LEDs (which also correspond to the measured unity, i. e. kHz, counts, mill...
Frequency counter hardware keys schematic
This is basically 4 nearly identical debounced switches. The 2 resistors and one capacity at the input of each Schmitt trigger are used for ...
Frequency counter Divider schematic
The divider design is pretty self-explanatory. One can choose between division by 1, 10 or 100 or no output (tied low) using the CONTROL inp...
Frequency counter Counter schematic
The counter makes use of 5 cascaded CD40110 which combine a decade counter, a display latch and a 7 segment LED driver in a single chip. (Th...
Frequency counter Connection diagram
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Frequency counter BNC input schematic
This is a CMOS-compatible (and hopefully also TTL) input featuring over- and under-volatage protection. Schmitt triggers are used to allow f...
FOUR MODE FREQUENCY COUNTER
This counter can measure frequencies from 2 Hz to 1 MHz, time interval, and period, and count random events. A 74C926 and 74C925 are used as...
FREQUENCY COUNTER
Built around an Intersil 7216 frequency-counter IC, this counter has a basic range of 10 MHz, a 100-MHz prescaler, and an extra frequency di...
MHz FREQUENCY COUNTER
This is a schematic and block diagram of a 2-MHz frequency counter. It uses and LSI counter/display driver, LCD readout, and a, few logic ch...
FREQUENCY COUNTER PREAMP
By using the preamplifier with a short length of shielded cable and clip leads, signals that generally could not generate a readout, generat...
10 MHz FREQUENCY COUNTER
The circuit consists of ICM7208 seven-decade counter U1, ICM7207A oscillator controller U2, and CA3130 biFET op amp U3. IC UI counts input s...
FREQUENCY COUNTER PREAMP
Based on the LM733 or NE592, the preamp shown has a bandwidth of 100 MHz. The FET inputs provide about 1-M © input impedance. Q4, Q5, and I...
Precision frequency counter tachometer
Precision frequency counter/tachometer. The ICM7207A provides a 1-second gating window and the store and reset signals. The display reads he...
Inexpensive frequency counter tachometer
Inexpensive frequency counter/tachometer. This circuit uses a 556 dual timer to generate the gating, not-store and not-reset signals for a I...
100 MHz frequency and period counter using the Intersil ICM7226B 40 pin DIP
100 MHz frequency and period counter using the Intersil ICM7226B 40-pin DIP. This circuit uses a CD4016 analog multiplexor to multiplex the ...
Precision frequency counter
This circuit shows a simple 4-digit frequency counter using an ICM7217 and an ICM7207 (which provides the 1-s gating window and the STORE an...
Frequency Counter and Timer
In counter mode it provides 1Hz resolution up to 100Mhz. In timer mode maximum resolution is 0. 0000001 Hz up to 1Hz. Resolution is reduced ...
Inexpensive_frequency_counter_tachometer
This circuit shows an ICM7217 and an ICM7555 that are connected as a basic frequency counter. The connections between the ICM7217 and a comm...
Inexpensive_frequency_counter_tachometer
This circuit shows an ICM7217 and an ICM7555 that are connected as a basic frequency counter. The connections between the ICM7217 and a comm...
10H2 to 2MH2 frequency counter circuit
The 7208 seven-stage decimal counter can be used as the frequency counter, it has the latch and multiplexing functions, and it has the direc...
10H2 to 2MH2 frequency counter circuit
The 7208 seven-stage decimal counter can be used as the frequency counter, it has the latch and multiplexing functions, and it has the direc...
Frequency counter 400Hz to 50MHz with PIC 16F84
It consists only from Microchip PIC 16F84 cpu and LCD text module. Author states that this counter is capable metering frequencies from 400H...
Frequency counter 400Hz to 50MHz with PIC 16F84
It consists only from Microchip PIC 16F84 cpu and LCD text module. Author states that this counter is capable metering frequencies from 400H...
2.5GHz Frequency Counter
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2.5GHz Frequency Counter
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frequency counter PIC-Based Digital
Apply power to the frequency counter and set the coarse (top pot) and fine (bottom pot) adjustments to show zero frequency on the display. T...
BINARY DECIMAL LED DISPLAY VERSIONS OF THE SIMPLE FREQUENCY COUNTER
There are other display methods than the original 8 led frequency counter has. They are perhaps easier to read and may have a format that fi...
13 GHz Frequency Counter Prescaler
A fairly simple "divide-by-1000" circuit which was first designed by Zeljko Bozic, S52ZB, in a 2006 issue of VHF Communications Magazine. Th...
Frequency Counter PIC 16F84
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lf253 Frequency counter 1Hz-100Mhz with LCD display and RS232 interface
This article continues the AT90S4433 Microcontroller series. I suggest you to read the previous articles on Atmel Microcontroller programmin...
Mains Frequency Monitor
Here is a simple frequency counter designed to monitor the 240VAC mains supply. It as a frequency range of 0-999Hz, so it could also be used...
Frequency Counter Schematic diagram
As you can see, there are few parts to this design, really just the ATmega328p-pu microcontroller and the LCD display. Both of them require ...
Digital frequency counter
The frequency counter has to count the number of cycles per second of an incoming signal. Hence we need a device to count. In electronics ci...
Frequency counter
This Frequency Counter is suitable to display the frequency of a frequency generator with an analog setting. It is a very simple counter and...
Mains Frequency Monitor
Here is a simple frequency counter designed to monitor the 240VAC mains supply. It as a frequency range of 0-999Hz, so it could also be used...
ICM7226B 8-digit Multi-function Frequency Counter/timer Corporation
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Digital frequency counter
The frequency measurement is one of the most important things in radio construction. Without it you will be unable to set desired frequency ...
Frequency Counter Circuit using Micro Controller
Simple frequency meter or frequency counter circuit with LCD display and Avr micro controller.DIY schematic circuit diagram & embedded c cod...
frequency counter circuit
and C code for a frequency counter circuit operating up to about 50MHz using a multiplexed seven segment display and uses timer 1 to count e...
frequency counter circuit diagram
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comp probe circuit
This circuit is a stable frequency counter accurate to 5 significant digits. The range is 0 - 30MHz with an input sensitivity of greater the...
nixie clock
One of the many random devices I`ve found in my sometimes frightening basement was an HP frequency counter. The thing is built like a rock, ...
Watch Timer circuit
Hello all, I ran across this schematic for a watch timer in a hobby electronics book. Anyone built something like this before? My knowledge ...
how to make simple frequency counter
A very simple frequency counter circuit is shown below and can be easily built by any electronic enthusisat for the intended purpose. The ci...