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Multiplier Features

• x2 MMIC/Microlithic multipliers offer high 1F and 3F suppressions, relaxing filtering requirements
• Moderate input power requirements for typical operation; high power variants with higher suppressions available
• x2 and x4 modules with built-in amplifiers offer a convenient off-the-shelf multiplication stage with gain and low power input requirement
• NLTLs offer low residual phase noise multiplication for comb generation and mm-wave

Learn More About Multipliers

An RF/Microwave multiplier is a nonlinear device that efficiently produces output signals at integer multiples of the input signal frequency. The input frequency is called the ‘fundamental’ frequency, and the output signals at multiples of the fundamental are called the ‘harmonics’. Important metrics of a multiplier include the conversion loss between the fundamental and the desired harmonic, suppression of undesired harmonics, power required at the input, power generated at the output, and additive phase noise of the multiplier. Our surface mount MMIC doublers feature optimized chips packaged into an industry-standard ceramic QFN. Marki multipliers include balanced doublers, amplifier multipliers, and nonlinear transmission lines.

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Input [GHz]Output [GHz]
FeaturedModelDatasheetPriceStockLowHighLowHighDrive Level [dBm]Surface MountBare DieModuleRoHS
NNLTL-6026 PDF Download$224.0011616016NYYY
Y PDF Download$224.000.750.74020NYYY
Y PDF Download$224.000.750.72420YNYY
Y PDF Download$279.0031538520NYYY

Passive x2

These doublers offer extremely high suppressions, small size, repeatability, scalable cost, and excellent lead time/availability for higher volume applications. Marki develops MMIC and Microlithic® doublers using full electromagnetic and circuit based non-linear optimization. Our MMIC doublers are fabricated with precise tolerance on a GaAs substrate with high speed Schottky diodes. MMIC/Microlithic® chip/module doublers are designed as a small form factor chip. This chip is also packaged into a module that is suitable for high performance laboratory use or as an eval module with equivalent performance as the chip.
Our surface mount MMIC doublers package our optimized chips into industry standard ceramic QFN packages. These affordable packages offer good electrical performance to 30 GHz while also providing proven high reliability. Surface mount Microlithic® doublers are based on chip designs, but use integrated surface mount transitions that operate up to 32 GHz. Eval modules of both MMIC and Microlithic® surface mount doublers are available.

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Active x2/x4

Our active doublers and quadruplers integrate amplifiers with our doublers, creating an integrated LO multiplier chain in a single module. They are a convenient alternative to expensive synthesizers for use in the laboratory or bolt together systems.

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NLTLs

A nonlinear transmission line is a transmission line with nonlinear elements on it (such as Schottky diodes) that create higher harmonics of the signal as it propagates down the line. This process efficiently creates all harmonics of the fundamental signal, leading to the term ‘comb generator’ for the appearance of all the harmonics on a spectrum analyzer. NLTLs accomplish this with very low additive phase noise relative to other devices. NLTLs are an excellent alternative to step recovery diodes.

Filters

Input [GHz]Output [GHz]
FeaturedModelDatasheetPriceStockLowHighLowHighDrive Level [dBm]Surface MountBare DieModuleRoHS
NNLTL-6026 PDF Download$224.0011616016NYYY
Y PDF Download$224.000.750.74020NYYY
Y PDF Download$224.000.750.72420YNYY
Y PDF Download$279.0031538520NYYY

Legacy

Marki’s legendary hybrid doublers offer low conversion loss, high suppressions, and low drive capability across incredible bandwidths. While they have been surpassed in suppression performance by MMIC and Microlithic® designs in smaller form factor chip and surface mount packages, legacy mixer connectorized modules are still a sound choice for legacy systems and laboratory use.

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