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- JMC is a world-class supplier of trimmer capacitors, non magnetic variable inductors and microwave tuning elements. JMC offers a wide variety of variable capacitors for RF and microwave applications. Giga-Trim® capacitors are miniature capacitors designed for high resolution tuning of RF power circuits. JMC air capacitors are available in a variety of sizes and mounting configurations incorporating a one piece, self-locking, constant torque drive mechanism. Ceramic trimmer capacitors are available in surface mount, strip-line, and through hole lead styles. Microwave tuning elements are an economical means of tuning waveguides, cavities, and other microwave structures.
Non-Magnetic Variable Inductors
Knowles Johanson Manufacturing's non-magnetic variable inductors match and load low noise amplifiers, power amplifiers, and mixers.
Cera-Trim® Thin-Trim Capacitors
Knowles Johanson Manufacturing's Cera-Trim® thin-trim capacitors protect the capacitor from solder fluxes and cleaning solvents.
Giga-Trim® Trimmer Capacitors
Knowles Johanson's Giga-Trim® trimmers are tiny capacitors that provide a straightforward technique for fine RF and microwave circuits.
Seal Trim Thin-Trim Capacitors
Knowles Johanson's Thin-Trim capacitors are ideal for applications where size and performance are most critical.