GQE-LPF-S specifications:
- Standard (S) configuration features a combination of 20 Hz, 20 kHz, and 50 kHz cutoff filters to flexibly accommodate a variety of use cases
- All lines feature 2-pole RC and four stages of 7-pole LC filtering.
- Input connector: 25-socket (female) D-sub micro
- Output connector: 25-pin (male) D-sub micro
- Insertion loss: > 60 dB for 1 MHz – 1 GHz, > 50 dB for 1 – 20 GHz (typ.)
- Lines 1-4: 20 Hz cutoff
- Resistance: 103 Ω (typ.)
- Insertion loss at 60 Hz: > 13 dB (typ.)
- Operating limits: 10 V or 50 mA (max.)
- Isolation from ground: > 100 MΩ (typ.)
- Recommended applications: Aggressive filtering of DC bias lines to qubits, JPAs, TWPAs, and other sensitive quantum devices. Not recommended for transport measurements.
- Lines 5-20: 20 kHz cutoff
- Resistance: 1002 Ω (typ.)
- Phase shift at 100 Hz: < 0.5 deg. (typ.)
- Operating limits: 25 V or 15 mA (max.)
- Isolation from ground: > 10 GΩ (typ.)
- Recommended applications: Low-frequency lock-in amplifier and transport measurements.
- Lines 21-25: 50 kHz cutoff
- Resistance: 8 Ω
- Operating limits: 25 V or 250 mA (max.)
- Isolation from ground: > 10 GΩ (typ.)
- Recommended applications: Filtering connections to electromechanical switches and other high-current devices. Not recommended for transport measurements.
