エヌエフ回路設計ブロック List of Products and Services

The 『CA5350』 is a gain-variable type current input-voltage output amplifier. The gain can be set from 10^4 V/A to a maximum of 10^11 V/A. It is also equipped with a current suppression function that can cancel out the dark current, which is unavoidable in photoelectric conversion elements such as photodiodes. With its performance, functionality, and operability, it is a programmable current amplifier that responds to the current amplification of signals from various current output sensors. 【Features】 ■ High gain and wide bandwidth ■ Variable gain: 10^4 to 10^11 V/A ■ Fast response and stable operation ■ Compatible with system integration ■ Achieves ultra-low noise *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "BP Series" is a high-voltage, high-current, high-speed bipolar power supply with built-in sequencing functionality. In addition to bipolar output capable of sourcing (supplying) and sinking (absorbing) both positive and negative, it features a sequencing function that allows for flexible programming of output patterns. It can be used for various applications such as power supplies for automotive electrical components, motors, solenoids, and large-capacity capacitors, as well as electronic loads for power/battery testing. 【Features】 ■ Wide output range - 4-quadrant output for voltage and current ■ High voltage, high current, wide bandwidth, constant current operation ■ Sequencing function ■ Response calibration function ■ Output voltage limiter and output current limiter ■ User-friendly features *For more details, please refer to the PDF documentation or feel free to contact us.

• DC Power Supply
• Electrical Equipment Testing

The AE9922 is a discriminator that can distinguish detection signals of acoustic emissions (AE) and convert them into pulse signals necessary for analysis. Compared to conventional devices, it achieves a compact, lightweight, and low-cost design, while expanding the frequency range to a low band of 1 kHz to 2 MHz. It accommodates a wide range of applications, from those who are introducing AE for the first time to integration into equipment diagnostic systems. 【Features】 - Wide frequency range from 1 kHz to 2 MHz, enabling measurement of rocks and concrete. - Application to equipment diagnostics is possible through alarm circuits and external control functions. - Can directly connect preamplifiers or sensors. - Discrimination method using two levels, VH and VL, reduces the effects of reflections and noise. - Operates on DC 12V or AC 100V (AC adapter included). *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "Low Noise AC Amplifier" is suitable for noise evaluation of DC power output and DC signals in circuit board design. It is capable of amplifying and observing noise and small signals in the μV range superimposed on DC signals of up to 40V (expandable). It employs a unique circuit that balances low noise performance with input protection, allowing for the application of high DC voltages. 【Features】 - Well-suited for noise evaluation of DC power output and DC signals in circuit board design - Capable of amplifying and observing noise and small signals in the μV range superimposed on DC signals of up to 40V - Utilizes a unique circuit that balances low noise performance with input protection - Allows for the application of high DC voltages 【Application Examples】 - Output noise evaluation of DC-DC converters and power modules - Output noise evaluation of power supply equipment such as linear power supplies - Output noise evaluation of voltage amplifiers - Output noise evaluation of solar cells on a per-cell basis *For more details, please refer to the PDF document or feel free to contact us.

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NF's custom device products respond to demands such as reducing design man-hours and management costs, decreasing the number of components, and miniaturizing products with a consistent system from design to manufacturing. We provide the necessary functions and performance through modules, boards, and enclosures. We accommodate both mass production and small lot production, with a proven track record in high-reliability products for aerospace applications. 【Features】 ■ Small lot support ■ Mass production support ■ Low power consumption and high precision achieved through redesign, including peripheral circuits ■ Proposals for suitable materials and methods based on specifications and applications ■ Miniaturization achieved through high-density mounting using bare chips and surface-mounted components *For specific embedded examples and details on our mounting technologies, please refer to the PDF materials or feel free to contact us.

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This catalog introduces "functional devices" that modularize professional circuits. We offer a wide range of high-performance and highly reliable hybrid IC products, including active filter modules, amplifier modules, oscillator modules, and demodulator modules. We also provide "custom solutions" that meet diverse needs from design to manufacturing, offering necessary functions and performance through devices and boards. [Contents] - Active Filter Modules - Amplifier Modules - Oscillator Modules - Demodulator Modules - Custom Solutions, etc. *For more details, please refer to the PDF document or feel free to contact us.

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The "Multi-Channel Low Noise Amplification System" can be utilized for micro-signal measurement solutions. It supports signals from various sensors and is suitable for high-precision signal processing, accommodating low-resistance to high-resistance sensors with its low noise amplifier. In addition to multi-channel configurations tailored to applications, it offers various functions such as input mode selection and low-pass filter settings. 【Features】 ■ Low noise ■ Compact housing, ideal for multi-channel needs ■ Multi-support for signals from diverse sensors ■ Various settings available to match signals from sensors and signal processing systems ■ Customizable *For more details, please refer to the PDF document or feel free to contact us.

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The "LP Series" is a DC power supply equipped with excellent disturbance noise resistance and low noise measures. Utilizing unique circuit design technology, it suppresses output noise voltage to an extremely low level, and to prevent internal noise radiation and external noise intrusion, it employs a shielded structure, output shield connectors, and cables. It can be used as a power supply for various sensor preamplifiers and as a low-noise DC bias source, meeting stringent low noise requirements and applicable in a wide range of uses from research and development to shipping tests. 【Features】 ■ Output noise voltage: Below 10μVrms typ. (Bandwidth 10Hz to 20MHz) ■ Output voltage stability: ±10ppm/℃ typ. ■ Adoption of shielded structure, output shield connectors, and cables ■ Meets stringent low noise requirements in ultra-precision measurements *For more details, please refer to the PDF document or feel free to contact us.

• others

The "WF1973/WF1974" is a versatile single-source essential for engineers, allowing them to manipulate waveforms and create signals with ease through a graphical user interface. It thoroughly covers all the necessary functions and performance required of a function generator. Equipped with high-grade specifications, it offers high frequency accuracy, amplitude angle, and fine setting resolution, providing excellent stability and reliability for a wide range of applications with high precision. 【Features】 ■ Wide frequency range ■ Variety of output waveforms ■ Convenient programming functions ■ Diverse oscillation modes ■ 2-channel mode *For more details, please refer to the PDF document or feel free to contact us.

• others

The "SA Series" is a low-noise amplifier that pursues technology to suppress factors that hinder measurements, such as noise and environmental influences, to the utmost limit. We offer the voltage input "SA-200 Series/SA-400 Series," which achieves low noise that was not attainable with previous amplifiers, and the current input "SA-600 Series," which realizes high gain and wide bandwidth. Please choose the model that matches the signals from your sensor. *For more details, please refer to the PDF materials or feel free to contact us.

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The "DP Series" is a programmable AC power supply that meets the diverse evaluation and testing needs. There is no need to switch response characteristics based on load conditions, and it can stably drive both capacitive and inductive loads. Additionally, it provides low distortion and stable output. We also offer a rich lineup that can be selected according to your application. From single-phase 1.5 kVA to a maximum of three-phase 144 kVA, we provide suitable power. 【Features】 ■ High robustness and low distortion ■ Low noise ■ Regenerative and reverse current compatible (DP Series Type R) ■ Outputs DC with the same capacity as AC ■ A comprehensive lineup that meets various needs *For more details, please refer to the PDF materials or feel free to contact us.

• others