Qorvo QPC4614 75Ω 5 −2000MHz Digital Step Attenuator
Qorvo QPC4614 75Ω 5 −2000MHz Digital Step Attenuator (DSA) features high linearity over the entire 31.5dB gain control range in 0.5dB steps and has a low insertion loss of 1.2dB at 1GHz. The QPC4614 features three modes of control: serial, latched parallel, and direct parallel programming. Patented circuit architecture provides overshoot-free transient switching performance. Qorvo QPC4614 is available in a 20-pin 4mm x 4mm QFN package.
Features
- 6-Bit, 31.5dB range, 0.5dB step
- Patented circuit architecture
- Frequency range 5MHz to 2000MHz
- High linearity, IIP3 69dBm typical at 850MHz
- A serial and parallel control interface
- RF pads have no DC voltage; can be DC grounded externally
- Option to turn off negative voltage generator and supply VSS externally
- The power-up default setting is maximum attenuation
Applications
- Optical nodes
- Point-to-Point
- MDU amplifiers
- Pre-amplifier attenuation
- Inter-stage attenuation
- Return attenuation
- AGC
- Tilt control
Functional Block Diagram
Related Development Tool
Qorvo QPC4614EVB-01 DSA Evaluation Board
Demonstration and development platform for the QPC4614, a 75Ω 6-bit digital step attenuator (DSA).
Published: 2021-09-07
| Updated: 2022-03-11