New High Linearity, Fast Recovery MMIC Limiter Spans DC to 40 GHz

New Marki Microwave High Linearity, Fast Recovery MMIC Limiter Spans DC to 40 GHz

New Marki Microwave High Linearity, Fast Recovery MMIC Limiter Spans DC to 40 GHz

The HLM-40 is a multi-stage GaAs Schottky diode limiter designed to protect sensitive RF components in high power conditions while maintaining high linearity during small-signal operation. The wide 40GHz bandwidth and 20W peak power handling makes the HLM-40 suitable for pulsed radar, electronic warfare, 5G and more. During the design phase, special attention was paid to linearity: a typical P1dB of +15dBm at 10GHz was achieved while providing flat leakage of +18dBm. By utilizing Schottky diodes rather than PIN diodes recovery time is expected to be improved. HLM-40 is available now as bare die and connectorized module.

Product Page Datasheet Frequency Band

[GHz]

Insertion Loss

[dB]

Return Loss

[dB]

Flat Leakage

[dBm]

Peak Power, CW

[W]

Peak Power, Pulsed

[W]

P1dB [dBm]
 HLM-40 pdf DC to 40 0.5 26 18 4 20 15

The DLM-10SM is a tunable, dual channel GaAs Schottky diode signal limiter featuring excellent IP3, insertion loss, and return loss. The limiting level is adjustable with an off-chip bias network, and the two channels can be used for differential or single-ended signals. Typical input P1dB is +10dBm with an operating range of DC to 10 GHz. The DLM-10SM is available in a lead-free, RoHS compliant 3×3 mm QFN surface mount package.

Product Page Datasheet Frequency Band

[GHz]

Insertion Loss

[dB]

Return Loss

[dB]

Flat Leakage

[dBm]

P1dB [dBm]
 DLM-10SM pdf DC to 10 0.75 20 ADJ 10
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