Data Storage / Logging Frequency Counters
Last Updated: April 1, 2025
Description
Data Storage / Logging Frequency Counters are specialized instruments designed to measure and record the frequency of a signal over time. They provide precise digital measurements of the number of cycles per second (Hertz) of a waveform, which is essential for various testing and calibration tasks in electronics and communications.
Working Principle
Frequency counters operate by gating the input frequency into the counter for a predetermined time. This process involves counting the number of cycles of the input signal within a specific time interval, which is then displayed as a frequency measurement. The digital nature of these counters allows for high precision and accuracy, making them invaluable for applications requiring detailed frequency analysis. They are particularly useful because they can handle a wide range of frequencies, from low Hertz to high Gigahertz, depending on the device's specifications.
Applications
Frequency counters are widely used in the electronics industry for testing and calibrating equipment. For example, they are employed in characterizing transmitters and receivers, ensuring that the transmitter's frequency is verified and calibrated to comply with regulatory standards. They are also used in laboratories for research and development purposes, where precise frequency measurements are crucial for experimental accuracy.
Advantages over other Frequency Counters
Data Storage / Logging Frequency Counters offer several advantages over traditional frequency counters. They provide the ability to log data over time, which is essential for monitoring frequency changes and trends. This feature is particularly beneficial in environments where continuous monitoring is required, such as in telecommunications or broadcasting. Additionally, their digital displays and outputs, such as USB or RS232, facilitate easy integration with other digital systems for further analysis and reporting.
Limitations
One limitation of frequency counters is their dependency on the accuracy of the time base used for gating the input frequency. Variations in the execution speeds of the functions that begin and end counting can introduce uncertainty in the timing interval, potentially affecting measurement accuracy. Furthermore, while they are highly precise, the cost of high-frequency range counters can be prohibitive for some applications.
Considerations
When selecting a Data Storage / Logging Frequency Counter, several factors should be considered. Initial costs can vary significantly based on the frequency range and features of the device. Operating expenses are generally low, but maintenance costs can arise if the device requires calibration or repairs. Durability is an important consideration, especially for handheld models that may be used in field conditions. Accuracy is paramount, so choosing a counter with a reliable time base and sufficient resolution for the intended application is crucial. Replacement and maintenance costs should also be factored into the decision-making process, as these can impact the long-term cost-effectiveness of the instrument.
from Tektronix, Inc.
The Tektronix FCA and MCA Series frequency counter / timer / analyzer packs the functionality of a frequency counter, frequency meter and timer into one feature-rich instrument. With unprecedented resolution, you can capture very small frequency and time changes. Tektronix frequency counters and... [See More]
- Options & Features: Adjustable sampling rate; Battery powered; Data Acquisition; Data storage/ logging
- Frequency Range: 3.00E8 to 4.00E10
- Form Factor: Bench top
- Max Channels: 2 to 3
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