## ADL5350ACPZ-R7: High-Linearity LF to 4 GHz RF Mixer The **ADL5350ACPZ-R7** is a high-performance, single-ended, passive-mix GaAs FET integrated circuit. It is designed to function as a frequency converter (either up-conversion or down-conversion) in cellular base stations and radio receivers. --- ### 1. Key Technical Specifications | Parameter | Specification | | :--- | :--- | | **RF Frequency Range** | 10 MHz to 4000 MHz (4 GHz) | | **LO Frequency Range** | 10 MHz to 4000 MHz | | **IF Frequency Range** | LF to 450 MHz | | **Conversion Loss** | 6.8 dB (typical @ 1900 MHz) | | **Input IP3** | 25 dBm | | **Input P1dB** | 19 dBm | | **Power Supply** | 3.0 V to 5.0 V | | **Package** | 8-lead LFCSP (3mm x 3mm) | --- ### 2. Functional Electronic Features * **Single-Ended Design:** Unlike many mixers that require complex differential signaling, the ADL5350 is single-ended. This simplifies the interface with standard 50 $\Omega$ RF components. * **Passive Architecture:** It uses a passive GaAs FET core. While this results in a conversion loss (rather than gain), it offers superior linearity and a lower noise figure compared to active mixers. * **Broadband Performance:** The device maintains consistent performance across a very wide frequency spectrum, making it versatile for various standards (GSM, CDMA, W-CDMA, and LTE). * **LO Drive Strength:** It is optimized for a low Local Oscillator (LO) drive level (typically 4 dBm), reducing the power requirements of the LO buffer. --- ### 3. Pin Configuration and Integration In a typical circuit design, the ADL5350 requires minimal external components. Below is a simplified representation of its functional pins: | Pin Name | Function | Description | | :--- | :--- | :--- | | **RF** | RF Input/Output | Single-ended port for the high-frequency signal. | | **LO** | Local Oscillator | Input for the carrier signal used for mixing. | | **IF** | Intermediate Freq | The resulting output signal after mixing. | | **VCC** | Power Supply | 3V to 5V DC supply. | | **COMM** | Ground | Common device ground. | --- ### 4. Typical Applications * Cellular Base Station Receivers * ISM Band Receivers (Industrial, Scientific, and Medical) * Radio Links and Wireless Data Links * Broadband Down-converters ---