+27 21 852 4719 [email protected] Mon-Fri 8:00-17:30 (SAST)
Rf Variable Attenuators

Rf Variable Attenuators

Browse technical resources about OM5/OS2 fiber, FC/ST connectors, distribution boxes, circulators, QSFP28, PDU, FTTR, rail transit and communication cabling.

  • Electrically Adjustable RF Attenuator

    Electrically Adjustable RF Attenuator

    They provide adjustable attenuation to control power levels in receivers and analyzers without introducing distortion. Commonly used in communication systems and instrumentation, a variable RF attenuator circuit ensures optimal signal performance and prevents overload damage. Over 400 coaxial, surface mount, and MMIC attenuator models for 50-Ohm & 75- Ohm syetem including fixed attenuators, high-power attenuators, digital step / programmable attenuators, voltage variable attenuators and more! Input power up to 2W Max. Mini-Circuits is a global. View the pSemi 2025–2026 Product Catalog to see our complete RF and power products portfolio. We offer a robust portfolio of in-stock, adjustable RF attenuators and phase shifters for multiple applications, including test instrumentation, cellular communication, wireless communications, satellite communication and more. Variable Attenuators: Offer variable levels of attenuation.

    [PDF Version]
  • Wiring method for variable frequency control distribution box

    Wiring method for variable frequency control distribution box

    Many VFDs use digital inputs to control operation, rather than PLC-driven network communications. It is intended for packaged drive products used in HVACR, water, and industria applications. Nearly every variable frequency drive (VFD) contains a set of screw terminals or pin headers that are. A Variable Frequency Drive (VFD) is a device based on power electronics used for adjusting the speed and torque of an electrical motor through a varying input frequency and voltage. V/f Control (Volts per Hertz) 2). Proper wiring and connection of a VFD are critical for safe and efficient operation. With the use of the VFD not only saves energy but also saves the life of motors by providing a soft start and advanced process.


  • Working principle of RF optical modules

    Working principle of RF optical modules

    Radio frequency over fiber (RFoF), also known as radio over fiber (RoF), is a hybrid technology that combines wireless communication with fiber optics. The technology involves modulating light signals with radio-frequency signals for transmission over fiber-optic networks. Among various optical module form factors, SFP (Small Form-Factor Pluggable). As an essential component of optical fiber communication, optical modules are optoelectronic devices that facilitate the conversion between optical and electrical signals during the transmission process. An optical module usually consists of an optical transmitting device (TOSA, including a laser), an optical receiving device (ROSA, including a photodetector), functional circuits,main control circuit board (PCBA), housing and optical (electrical) interface and other components.


Need Product Pricing?

Contact us for competitive quotes on any of our fiber optic and telecom products

Get a Quote