Overview
The AD8346ARU-REEL, produced by Analog Devices Inc., is a silicon RFIC I/Q (In-phase and Quadrature) modulator designed for operation in the frequency range of 0.8 GHz to 2.5 GHz. This component is optimized for high-performance direct modulation to RF, making it suitable for various wireless communication systems. The AD8346 features excellent phase accuracy and amplitude balance, which are crucial for maintaining high signal integrity and minimizing errors in the modulation process.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 0.8 GHz to 2.5 GHz |
| Package Type | 16-Pin TSSOP |
| Supply Voltage (VS) | 5 V |
| Local Oscillator (LO) Frequency | Up to 2.5 GHz |
| LO Drive Level | -6 dBm to -12 dBm |
| Baseband Input Impedance | 12 kΩ |
| Output Load Impedance | 50 Ω |
| Noise Floor | -147 dBm/Hz |
| P1dB (1 dB Compression Point) | -3 dBm |
Key Features
- High phase accuracy and amplitude balance for high-performance direct modulation.
- Differential LO input with a polyphase network phase splitter for accurate phase quadrature.
- Buffer amplifiers to improve signal-to-noise ratio.
- Gilbert-cell mixers for efficient modulation.
- Differential V-to-I converters for baseband modulation signals.
- Low LO feedthrough achievable through proper biasing and DAC interface.
- Optimized for lower power applications.
Applications
The AD8346ARU-REEL is suitable for a variety of wireless communication systems, including but not limited to:
- Cellular base stations and handsets.
- Wireless local area networks (WLANs).
- Cordless phones and other wireless communication devices.
- RF transmitters and transceivers in various frequency bands.
Q & A
- What is the frequency range of the AD8346ARU-REEL? The AD8346ARU-REEL operates from 0.8 GHz to 2.5 GHz.
- What is the package type of the AD8346ARU-REEL? The AD8346ARU-REEL is packaged in a 16-Pin TSSOP.
- What is the recommended supply voltage for the AD8346ARU-REEL? The recommended supply voltage is 5 V.
- What is the typical LO drive level required for the AD8346ARU-REEL? The LO drive level should be between -6 dBm and -12 dBm.
- How can LO feedthrough be minimized in the AD8346ARU-REEL? LO feedthrough can be minimized by using proper biasing and a precision DAC interface.
- What is the output load impedance of the AD8346ARU-REEL? The output load impedance is 50 Ω.
- What are the key applications of the AD8346ARU-REEL? The AD8346ARU-REEL is used in cellular base stations, handsets, WLANs, cordless phones, and other wireless communication devices.
- How does the AD8346ARU-REEL achieve high phase accuracy and amplitude balance? The AD8346ARU-REEL uses a polyphase network phase splitter and buffer amplifiers to achieve high phase accuracy and amplitude balance.
- What is the noise floor of the AD8346ARU-REEL? The noise floor is -147 dBm/Hz.
- What is the 1 dB compression point (P1dB) of the AD8346ARU-REEL? The P1dB is -3 dBm.
