Computer Board Frequency Counters
Last Updated: April 1, 2025
Description
Computer Board Frequency Counters are specialized devices used to measure the frequency of an input signal. They are integrated into computer boards and are designed to count the number of cycles of a periodic signal over a specified time interval, providing a digital readout of the frequency.
Working Principle
Frequency counters operate on the principle of gating the input frequency into the counter for a predetermined time. The device counts the number of cycles of the input signal within this time frame. This count is then used to calculate the frequency of the signal. The precision of these measurements makes frequency counters particularly useful for applications requiring high accuracy, such as calibrating RF signals and other equipment.
Applications
Frequency counters are widely used in various industries. A specific example includes their use in characterizing transmitters and receivers, where the frequency of the transmitter must be verified and calibrated to comply with regulatory standards. They are also employed in the calibration of signal generators that do not have built-in displays.
Advantages over other Frequency Counters
Computer Board Frequency Counters offer several advantages over traditional frequency meters. They provide digital measurements, which are more precise than the analog readings of older frequency meters. Additionally, they can handle a wide range of frequencies, from Hz to GHz, making them versatile for different applications.
Limitations
One limitation of frequency counters is their dependency on the accuracy of the timing interval. Variations in execution speeds of the functions that start and stop counting can introduce errors, particularly in short counting intervals. This can affect the reliability of frequency measurements if not properly managed.
Considerations
When selecting a Computer Board Frequency Counter, several factors should be considered. Initial costs can vary depending on the frequency range and precision required. Operating expenses are generally low, but the accuracy of the device is crucial and should be verified regularly. Durability depends on the quality of the components used, and maintenance costs can include periodic calibration to ensure continued accuracy. Replacement costs should also be considered, especially for high-frequency applications where more expensive devices may be necessary.
from Red Pitaya, d.o.o.
SDRlab 122-16 External clock is based on the SDRlab 122-16 model that is modified to be used with an external clock oscillator, which is important especially for RF applications that operate at other frequencies, require better quality clock or clock synchronization. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 123
from Red Pitaya, d.o.o.
SDRlab 122-16 was developed specifically for software-defined radio and more demanding RF applications. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 123
from Red Pitaya, d.o.o.
SIGNALlab 250-12 is most sophisticated Red Pitaya product, built for more demanding industrial applications and research, where robustness and performance matter more than cost. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 250
from Red Pitaya, d.o.o.
STEMlab 125-14 4 Inputs is based on STEMlab 125-14 board, but instead of 2 inputs and 2 output channels offers 4 Input channels that with improved performance. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125
from Red Pitaya, d.o.o.
STEMlab 125-14 is our most versatile and popular product, which was introduced to the market in 2013 when Red Pitaya was established. Since then it has been used in a wide variety of contexts, from hobbyists and ham radio operators to industry, research, and space applications. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125
from Red Pitaya, d.o.o.
STEMlab 125-14 is our most versatile and popular product, which was introduced to the market in 2013 when Red Pitaya was established. Since then it has been used in wide variety of contexts, from hobbyists and ham radio operators to industry, research and space applications. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125
from Red Pitaya, d.o.o.
STEMlab 125-14 Edu Pack is based on Red Pitaya's best-selling DAQ platform and with the chosen accessories a perfect fit for educational purposes. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125
from Red Pitaya, d.o.o.
STEMlab 125-14 External clock is based on the STEMlab 125-14 model that is modified to be used with an external clock oscillator, which is important especially for RF applications that operate at other frequencies, require better quality clock or clock synchronization. With this modification, users... [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125
from Red Pitaya, d.o.o.
Based on the STEMlab 125-14 Starter kit and it comes with individual ISO17025 certificate. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125
from Red Pitaya, d.o.o.
STEMlab 125-14 Low Noise Bare OEM is the ultimate solution for customization and adaptability in your electronic project. This board, which comes without the usual connectors, provides unparalleled freedom and versatility to tailor your designs according to your specific needs. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125
from Red Pitaya, d.o.o.
STEMlab 125-14 Low Noise is based on a STEMlab 125-14 board that is populated with additional linear analog power for analog power supplies to reduce RF inputs and outputs noise and consequently increase ENOB. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125
from Red Pitaya, d.o.o.
We are setting the industry standard in product quality and customer support, our STEMlab OEM boards are easy to integrate and available in multiple hardware and software configurations. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125
from Red Pitaya, d.o.o.
STEMlab 125-14 is our most versatile and popular product, which was introduced to the market in 2013 when Red Pitaya was established. Since then it has been used in wide variety of contexts, from hobbyists and ham radio operators to industry, research and space applications. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125
from Red Pitaya, d.o.o.
STEMlab 125-14 is our most versatile and popular product, which was introduced to the market in 2013 when Red Pitaya was established. Since then it has been used in wide variety of contexts, from hobbyists and ham radio operators to industry, research and space applications. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125
from Red Pitaya, d.o.o.
STEMlab 125-14 X-Channel System is designed for applications that require multi-channel RF signal acquisition and generation. It enables the user to stream analog and digital signals from/to the client's PC. X-Channel System consists of multiple STEMlab 125-14 devices that are modified and comes... [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125
from Red Pitaya, d.o.o.
STEMlab 125-14Z7020 Low Noise is based on a STEMlab 125-14 Z7020 board that is populated with additional linear analog power for analog power supplies to reduce RF inputs and outputs noise and consequently increase ENOB. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125
from Red Pitaya, d.o.o.
STEMlab 125-14Z7020 Low Noise is based on a STEMlab 125-14 Z7020 board that is populated with additional linear analog power for analog power supplies to reduce RF inputs and outputs noise and consequently increase ENOB. [See More]
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
- Frequency Range: 1 to 6.25E7
- Sampling Rate: 125