RF Semiconductor Foundry
Wide Tuning Range GaAs Varactor Diodes
Process Summary
Hyper-abrupt varactor diode technology featuring low fringe capacitance, a wide capacitance tuning ratio, and high-frequency tuning linearity. Custom varactor designs are available, and the technology meets or exceeds environmental requirements.
Applications
- mmW Beamforming Phase Shifter
- Wide Tuning Range VCO
- Wide Range Tunable Filters
- NLTL Comb Generator Up to 40 GHz
Process Features
- High Quality Factor and Low Parasitics
- Minimum Capacitance as low as 25fF
- MMIC-Compatible Process with Backside Via Option
- Custom Varactor Sizes
- Flip Chip bumps Available
Typical Device Performance
Varactor with Wide Capacitance Tuning
Linear Frequency Tuning
Typical Parametric Data
| Parameter | Unit | V5 | V10 |
| Cmax/Cmin | - | 5.1 : 1 | 10.0 : 1 |
| Max Vtune | V | 16 | 17 |
| Varactor BV | V | 29 | 21 |
| Frequency Tuning Range | Octave | >1 | >1.6 |
| Typical Leakage Current @16V | nA | <30 | <30 |