Planar Monolithics Industries (PMI) : High Reliability RF & Microwave Components and Integrated Subsystems

Planar Monolithics Industries (PMI) is a U.S.based designer and manufacturer of high reliability RF, microwave, and millimeter wave components and integrated subsystems. Founded in 1989 and headquartered in Frederick, Maryland, PMI develops mission critical solutions for aerospace, defense, satellite communications, electronic warfare, telecommunications, and advanced commercial applications.

In 2021, PMI joined Quantic Electronics, enhancing its engineering resources and manufacturing capabilities while continuing to operate under the PMI brand. In 2026, the company refreshed its branding from Quantic PMI back to Planar Monolithics Industries (PMI) while maintaining its focus on RF innovation. PMI offers more than 4,500 commercial off the shelf (COTS) products covering frequencies from DC to 70 GHz, along with custom microwave modules and integrated assemblies for demanding environments.

Key Product Highlights & Selection Guide

Product Category	Selection Parameters / Specifications
RF Amplifiers	Frequency range, gain, output power, noise figure, linearity
RF Attenuators	Attenuation range, resolution, insertion loss, operating frequency
RF Switches	Switch type, insertion loss, isolation, switching speed, frequency
RF Filters	Filter type, center frequency, bandwidth, rejection, insertion loss
Phase Shifters	Phase range, resolution, insertion loss, operating frequency
IQ Vector Modulators	Frequency coverage, modulation accuracy, control interface
RF Limiters	Power handling, recovery time, insertion loss, frequency range
Detector Log Video Amplifiers	Dynamic range, response time, operating frequency
Power Dividers & Combiners	Number of ports, insertion loss, isolation, amplitude balance
Frequency Discriminators & IFM	Frequency coverage, response time, detection accuracy
Monopulse Comparators	Operating frequency, amplitude balance, phase accuracy
Integrated Microwave Assemblies	Frequency coverage, integration level, environmental specifications

Why Choose Planar Monolithics Industries?

• More than 35 years of RF and microwave engineering experience
• Portfolio of over 4,500 standard COTS products
• Frequency coverage from DC to 70 GHz
• Expertise in hybrid MIC/MMIC technologies and integrated microwave assemblies
• Products manufactured to rigorous MIL-STD requirements
• ISO 9001:2015 and AS9100D certified manufacturing facilities

Latest Products

Product	Description	Typical Applications
PIQ-1-SMT Evaluation Board	Evaluation platform for the PIQ-1-SMT IQ vector modulator	RF design and prototyping
BPF-2D2G2D29G-5W-SFF	Compact bandpass filter covering 2.2–2.29 GHz	Communications, radar
DTA-100M40G-15DB-10BIT	10-bit digital attenuator operating from 100 MHz to 40 GHz	Test equipment, EW systems
PS-100M20G-10B-SFF-MIL-SM	10-bit digital phase shifter from 100 MHz to 20 GHz	Phased-array radar, beamforming
LM-8D5G10D5G-1W-13DBM-SFM	Low leakage RF limiter	Receiver protection
PMC-14D5G15D5G-SMA	Monopulse comparator covering 14.5–15.5 GHz	Radar and tracking systems
PLNA-30-10M20-292FF	Ultra-low-noise amplifier	Satellite communications, instrumentation
P8T-100M54G-90-T-RD	Absorptive SP8T PIN diode switch covering 100 MHz to 54 GHz	Automated RF switching, defense systems

Summary

Planar Monolithics Industries (PMI) is a recognized manufacturer of high reliability RF, microwave, and millimeter wave components serving aerospace, defense, satellite communications, telecommunications, and electronic warfare markets. Its portfolio spans amplifiers, filters, attenuators, switches, phase shifters, limiters, frequency discriminators, integrated microwave assemblies, and custom RF subsystems operating from DC to 70 GHz.

Address & Contact Details

• Address : 7309A Grove Road, Frederick, Maryland, 21704, United States
• Phone : +1 (301) 662-5019
• Email : sales@pmi-rf.com
• Contact Form : Contact Form to be filled
• website : https://www.pmi-rf.com/