The MAX2041 high-linearity passive upconverter or downconverter mixer is designed to provide 7.4dB NF and a 7.2dB conversion loss for an RF frequency range of 1700MHz to 3000MHz to support UMTS/WCDMA, DCS, PCS, and WiMAX base-station transmitter or receiver applications. The IIP3 is typically +33.5dBm for both downconversion and upconversion operation. With an LO frequency range of 1900MHz to 3000MHz, this particular mixer is ideal for high-side LO injection architectures. (For a pin-compatible mixer meant for low-side LO injection, refer to the MAX2039.) In addition to offering excellent linearity and noise performance, the MAX2041 also yields a high level of component integration. This device includes a double-balanced passive mixer core, a dual-input LO selectable switch, and an LO buffer. On-chip baluns are also integrated to allow for a single-ended RF input for downconversion (or RF output for upconversion), and single-ended LO inputs. The MAX2041 requires a nominal LO drive of 0dBm, and supply current is guaranteed to be below 145mA. The MAX2041 is pin compatible with the MAX2031 815MHz to 995MHz mixer, making this family of passive upconverters and downconverters ideal for applications where a common PC board layout is used for both frequency bands. The MAX2041 is available in a compact 20-pin thin QFN package (5mm x 5mm) with an exposed paddle. Electrical performance is guaranteed over the extended -40°C to +85°C temperature range.
The MAX2041 is a double‑balanced passive mixer designed for up‑ and down‑conversion in base‑station transmitters and receivers. It operates over an RF range of 1700‑3000 MHz and an LO range of 1900‑3000 MHz, providing 7.4 dB noise figure and +33.5 dBm IIP3 for excellent linearity.
The device is supplied in a 20‑pin thin QFN package (5 mm × 5 mm) with an exposed paddle, supports a supply voltage of 4.75‑5.25 V, and draws up to 145 mA. Integrated features include a dual‑input LO switch, LO buffer, and on‑chip baluns for single‑ended RF/LO interfaces.
| RF Frequency Range | 1700 MHz – 3000 MHz |
|---|---|
| Conversion Loss | 7.2 dB |
| Noise Figure | 7.4 dB |
| Input Third‑Order Intercept Point (IIP3) | +33.5 dBm |
| Input 1 dB Compression Point | +23.3 dBm |
| Supply Voltage | 4.75 V – 5.25 V |
| Supply Current (max) | 145 mA |
| Package | 20‑pin thin QFN‑EP 5 mm × 5 mm |
The MAX2041 operates from 1700 MHz up to 3000 MHz.
Typical conversion loss is 7.2 dB.
The device’s supply current is guaranteed to stay below 145 mA.