SPA-2118 is a power amplifier launched by Sirenza Microdevices. It uses high reliability GaAsHBT technology and is packaged in a low-cost surface-mountable plastic package. It has high linearity performance, high gain, controllable bias and other features. It is used in IS-95 CDMA systems, multi-carrier applications, AMPS, ISM applications and other scenarios.
The Sirenza SPA-2118 is a high‑efficiency GaAs HBT power amplifier designed for the 850 MHz band. It offers high linearity, 33 dB typical gain, and an on‑chip active bias control, all packaged in a low‑cost surface‑mountable plastic enclosure.
The document provides product features, application circuits, pin descriptions, absolute maximum ratings, and ordering information, along with schematic and evaluation‑board layouts for designers integrating the device into IS‑95 CDMA, multi‑carrier, AMPS, and ISM systems.
| Frequency of Operation | 850‑950 MHz |
|---|---|
| Output Power at 1 dB Compression | 29 dBm |
| Small Signal Gain | 33 dB (typ.) |
| Input VSWR | 1.5:1 |
| OIP3 | +47 dBm |
| Noise Figure | 5 dB |
| Max RF Input Power | 10 dBm |
| Moisture Sensitivity Level | Level 1 (MSL‑1) |
Vbias is the bias control pin for the active bias network.
The device is housed in a low‑cost surface‑mountable plastic package.
The device has a Moisture Sensitivity Level of 1 (MSL‑1).