QPB9026 Dual Band Digital Variable Gain Amplifier
Qorvo's QPB9026 is a highly integrated dual-band digital variable gain amplifier (DVGA), marketed as a "0.6 - 1.5 GHz, 2.9 - 3.5 GHz Dual Band DVGA (Driver) MCM." This device is engineered to deliver high RF performance across both L- and S-frequency bands, specifically covering 0.6 - 1.5 GHz and 2.9 - 3.5 GHz, respectively.
A key differentiator of the QPB9026 is its extensive integration of various RF functions within a single device. It incorporates an SPDT switch, a digital step attenuator (DSA), bandpass filters, and high-performance low-noise amplifiers(LNA). This multi-chip module(MCM) design significantly enhances system compactness and simplifies design complexity for engineers.
The DVGA offers precise gain control through its DSA, providing a 31.75 dB attenuation range in fine 0.25 dB steps. Control is facilitated via an SPI interface for the DSA, along with external pins for compatible CMOS control of channel switching, power up/down, and LNA bias adjustment. Additionally, the device includes built-in filters for effective out-of-band signal suppression, all housed in a compact, RoHS-compliant, surface-mount, leadless and shielded package.
Specifications
| Product | L-Band Freq Range | S-Band Freq Range | L-Band Noise Figure | S-Band Noise Figure | Attenuation Range | Supply Voltage | Current | Package Type | Package Size | RoHS |
|---|---|---|---|---|---|---|---|---|---|---|
| QPB9026 | 0.6 - 1.5 GHz | 2.9 - 3.5 GHz | < 5 dB | < 10 dB | 31.75 dB | 5 V | 200 mA | LGA | 9.0 x 8.0 mm | Yes |
Key Features
- Dual-band digital variable gain amplifier covering L-Band (0.6 - 1.5 GHz) and S-Band (2.9 - 3.5 GHz).
- Integrates an SPDT switch, digital step attenuator (DSA), bandpass filters, and high-performance low-noise amplifiers (LNA).
- Offers gain control with a 31.75 dB attenuation range in 0.25 dB steps.
- Features an SPI control interface for the DSA.
- Provides CMOS control for channel switching, power up/down, and LNA bias adjustability via external pins.
- Includes built-in filters for out-of-band signal suppression.
- L-Band noise figure is less than 5 dB.
- S-Band noise figure is less than 10 dB.
- L-Band gain at P3dB is greater than 18 dB, with OP3dB greater than 20 dBm.
- S-Band gain at P3dB is greater than 29 dB, with OP3dB greater than 26.5 dBm.
- Operates with a 1.8 V logic-compatible shut-down pin.
- Packaged in a compact 46-pin, 9.0 x 8.0 mm surface-mount leadless and shielded package.
- The package is RoHS-compliant and uses an overmold compound.
Applications
- Electronic Warfare (EW)
- Commercial Radar
- Military Radar
- Communication Systems
Avalibility
Qorvo’s QPB9026 dual-band digital variable gain amplifier (DVGA) is available through Qorvo’s product sales channels, with options to request a sample or contact sales for purchasing and availability information. The QPB9026 integrates an SPDT switch, digital step attenuator, band-pass filters and high-performance LNAs for L- and S-band operation, and is offered in a compact 46-pin, 9.0 × 8.0 mm leadless package.
