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High-current switching under cryogenic conditions

The Apollo baseband switch covers the lines RF switches aren't built for: high-current, low-frequency paths for flux biasing and DC characterisation. With ultra-low on-resistance and near-zero dissipation, it routes currents at millikelvin without loading your thermal budget, on the same control bus as the rest of the Apollo family.

Apollo BB cryoswitch

Key Specifications

ConfigurationSP8T, SMA
BandwidthDC to 2 GHz
Insertion Loss<0.2 dB
Isolation>50 dB
DC Resistance<3 Ω
Power dissipation<20 nW
Size126 x 32 x 8.4mm