QBoard II
Specifications:
Motherboard –
- With two 51-pin nano-D connectors, wired in parallel for ESD protection
- 48 RC-filtered low-frequency lines (1.2kΩ, 1.0nF)
- 16 RF lines via two 8-way mini-coax connectors
- Bias tees for all RF lines
- Made of non-magnetic materials
- NEW More compact design: 28×45 mm
- NEW Four dedicated high current lines with the option for RC filter bypass
- NEW Two lines designed for high voltage backgates
Daughterboards –
- Daughterboards included for the following chip sizes:
6×6 mm, 10×10 mm, 11×14 mm - NEW Optimized thermalization and grounding path
- 0.5 mm deep gold-plated cavity
- 4-frequency multiplexed tank circuits
- Cables and other accessories
- Brackets – see our Accessories datasheet for more information
- Grounding plate for wire bonding available
- Titanium and gold-plated copper-beryllium screws
- Custom 51-pin nano-D to micro-D cables
- Eight-way mini coaxial RF cables terminated with SMA or SMP connectors
Mounting –
- Gold-plated copper-beryllium brackets available in nine different configurations
- Full compatibility with popular dilution refrigerators
- Custom solutions are possible
- Prepared for parallel and perpendicular mounting in fast sample exchange pucks
Shielding –
- NEW Complete protection for both the quantum chip and electrical components
- The shielding lid fully encloses the sample for proper radiation shielding
Shields RC filter components for the lowest noise environment
Interposer –
- Non-magnetic interposer for fast sample exchange
- NEW Rotation of the interposer defines the daughterboard cavity
- connectivity (ground, float, or one of two dedicated high voltage DC lines
