Programmable Frequency Counters
Last Updated: April 1, 2025
Description
Programmable frequency counters are electronic instruments designed to measure the frequency of an input signal. They provide precise digital measurements of signal parameters, allowing users to determine the frequency with high accuracy. These devices are equipped with digital displays to present the frequency readings and often include features for setting measurement parameters and storing data.
Working Principle
Programmable frequency counters operate by gating the input frequency into the counter for a predetermined time period. During this time, the counter tallies the number of cycles of the input signal. The frequency is then calculated by dividing the number of counted cycles by the time interval. This method allows for precise frequency measurement, making these counters highly useful in various applications. They are particularly beneficial for their ability to provide accurate and reliable frequency readings, which are essential for calibrating and testing electronic equipment.
Applications
Programmable frequency counters are widely used in industries that require precise frequency measurements. For example, they are employed in the characterization of transmitters and receivers, where verifying and calibrating the transmitter's frequency is crucial to comply with regulatory standards. They are also used in research and development settings for analyzing signal parameters and in manufacturing environments for quality control and testing of electronic components.
Advantages over other Frequency Counters
Programmable frequency counters offer several advantages over traditional frequency meters. They provide digital measurements, which are more precise than the analog readings of older devices. Additionally, they often feature multiple channels, allowing for the simultaneous measurement of multiple signals. This capability enhances their utility in complex testing environments where multiple frequencies need to be monitored concurrently.
Limitations
One limitation of programmable frequency counters is their dependency on the accuracy of the time base. Any error in the time base can lead to inaccuracies in frequency measurement. Additionally, while they are highly precise, the resolution of the counter can affect the reading error, particularly at higher frequencies. The initial non-accuracy of industrial class quartz crystals used in these devices can also contribute to measurement errors.
Considerations
When selecting a programmable frequency counter, several factors should be considered. Initial costs can vary significantly depending on the frequency range and features of the device. Operating expenses may include calibration and maintenance costs to ensure continued accuracy. Durability is another important consideration, as more robust devices may offer longer service life and reduced replacement costs. Accuracy is paramount, so it is essential to choose a counter with a reliable time base and appropriate resolution for the intended application. Regular maintenance and calibration are necessary to maintain the device's performance and accuracy over time.
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
from Red Pitaya, d.o.o.
SDRlab 122-16 was developed specifically for software-defined radio and more demanding RF applications. [See More]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
from Red Pitaya, d.o.o.
Based on the STEMlab 125-14 Starter kit and it comes with individual ISO17025 certificate. [See More]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; Embedded Pulse Generator; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Frequency Range: 1 to 6.25E7
- Form Factor: Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Max Channels: 4