The companies listed here can supply your needs for any type of attenuator, be it fixed, variable, or programmable. They provide not only a stock of off-the-shelf models, but can also design and manufacture custom models for meeting specialty decibel values, form factor, power handling, or other unique parameters. There is also a lot of design information available in the form of white papers, datasheets, and online write-ups. Please consider contacting RF Cafe advertisers first for your needs.

Attenuator Vendor Page

Pulsar Microwave Corp Clifton, NJ Tel: (973) 779-6262  Pulsar Microwave Corp. is celebrating its 23rd  anniversary as a valued supplier of passive  microwave components covering the frequency  range of 10 kHz to 40 GHz with both narrow band  and ultra-broadband products. We Specialize in Custom Requirements  Power Dividers/Combiners - 2-32 Way, Low /  High Power to 40 GHz. SMT & Connectorized.  Directional Couplers - Low and High Power to  18 GHz, 2500 watts. SMT and Connectorized.  Attenuators - Pin Diode, Voltage/Current  Controlled and Digital Controlled to 16 GHz.  Switches - Absorpt./Reflect., SP1T-8T to 18 GHz.  90° & 180° Hybrids - 10% BW, 2:1 to 4:1,  2:1 to 6:1, 5:1 to 125:1, 3 & 4 Port, to 20 GHz.  Phase Shifters - Analog (Narrow, Octave) and  Switched Bit Digital, to 4 GHz.  Mixers - High IP3, DC/AC Coupled, to 7 GHz.  High Frequency to 18 GHz. SMT & Connectorized.  I & Q Networks - Modulators, Demodulators,  and Image Reject Mixers, to 16 GHz.  Bias Tees - 0.01 to 40 GHz. SMT & Connector.  Frequency Doublers - 0.2-6000 MHz. SMT &      Connectorized.  DC Blocks - To 18 GHz, SMT & Connectorized. Analysis and Design of RF CMOS Attenuators By Hakan Dogan, University of CA, Berkeley. An Offset Attenuator for Radio Direction Finding By Charles Scharlau, NZØI. Attenuator Design Tutorial RF, RFIC & Microwave Theory, Design, by John Silver. Attenuator Dissipation Equations for calculating the fractional dissipation of the individual resistors in an attenuator. Attenuators Application notes by Herley. Attenuators, PIN A Wideband General Purpose PIN Diode Attenuator by Skyworks. Attenuators (variable) Application notes by American Microwave. Bridged T Pad Attenuator Design By FM Systems. Build An Offset Attenuator By Joe Moell, as featured in Homing In for May 1998. Design of an Attenuator Attenuator applet by Hao Shi. Designing an Attenuator How to design your own attenuator, and how to do the math for calculating the resistor values etc. Evaluating Attenuators Article by by N. Carl Miller, PhD, Reliability Resistance Laboratory, Raytheon. Featured Application CMOS-Based Digital Step Attenuator Designs Wireless Design & Development article by Ray Baker. GlassWare Audio Design Software 734-995-1920 / Ann Arbor, MI Deals with figuring out what value resistors are needed to build a stepped attenuator.

Homework: Attenuator Design Designing a symmetric matched resistive T-attenuator, by Dejan V. Tosic and Miroslav D. Lutovac. Minimum Loss Attenuator Design Guide From Ernie Kim, University of San Diego. PIN Diode Variable RF Attenuator Circuit A constant impedance circuit design for variable RF attenuators using PIN diodes for use in a variety of RF design applications including programmable RF attenuators. From Radio-electronics.com. Program Designs Tee Attenuator To Minimize Stress Article from Electronic Design. Resistive Attenuator Design By Williamson Labs.