Sft2885 -

1. Executive Summary SFT2885 is a high-frequency, low-noise, gain-block amplifier integrated circuit (IC) widely used in RF and microwave communication systems. Manufactured originally by RF Micro Devices (RFMD) — now part of Qorvo — this device has become a staple in applications requiring wide bandwidth, stable gain, and moderate output power. Its combination of performance, ease of use, and reliability makes it a popular choice among RF design engineers for both commercial and industrial systems. 2. Key Specifications & Features The SFT2885 is designed to operate as a cascadable, broadband gain block . Below are its salient specifications (typical values at +25°C, 5V supply, 50Ω system):

| Device | Gain | Freq. | NF | P1dB | Package | Notes | |--------|------|-------|----|------|---------|-------| | | 15 dB | 6 GHz | 4.0 dB | +17 dBm | SOT-89 | Excellent thermal stability | | MMA-005987 (MACOM) | 14 dB | 5 GHz | 3.5 dB | +18 dBm | SOT-89 | Lower NF, higher cost | | GVA-84+ (Mini-Circuits) | 18 dB | 6 GHz | 4.5 dB | +20 dBm | SOT-89 | Higher gain, but less flat | | BGA2867 (NXP) | 16 dB | 6 GHz | 4.2 dB | +12 dBm | SOT-363 | Smaller package, lower P1dB | sft2885

| Parameter | Value | Unit | |-----------|-------|------| | Frequency Range | DC – 6.0 | GHz | | Small Signal Gain | 14.5 – 15.5 | dB | | Output P1dB (at 2 GHz) | +17.0 | dBm | | Output IP3 (OIP3) | +29.5 | dBm | | Noise Figure (at 2 GHz) | 4.0 | dB | | Supply Voltage (Vdd) | +5.0 | V | | Supply Current (Idd) | 60 – 80 | mA | | Input / Output Return Loss | 15 / 12 (typical) | dB | | Package | SOT-89 | – | Its combination of performance, ease of use, and

For engineers designing RF chains in wireless infrastructure, test equipment, or ISM band products, the SFT2885 remains a dependable choice that simplifies board layout and reduces BOM count. When in doubt about an RF path that needs 15 dB of clean, flat gain from 100 MHz to 6 GHz, the SFT2885 is a proven solution. Need application-specific advice? Contact Qorvo’s application support or consult the official SFT2885 datasheet (Rev A, 2021) for the latest electrical characteristics and thermal derating curves. Below are its salient specifications (typical values at