Overview
The AD8349AREZ is a silicon, monolithic, RF quadrature modulator designed by Analog Devices Inc. for use in a wide range of RF frequencies from 700 MHz to 2700 MHz. This component is optimized for high-performance direct RF modulation in various communication systems, including cellular, PCS, WCDMA, CDMA2000, GSM, EDGE, and broadband wireless access systems. The AD8349AREZ features excellent phase accuracy and amplitude balance, making it suitable for applications requiring precise modulation.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Frequency Range | 700 | 2700 | MHz | |
| Modulation Bandwidth | 160 | MHz | ||
| 1 dB Output Compression | 5.6 | dBm @ 2140 MHz | ||
| Output Disable Function | -50 | dBm | ||
| Noise Floor | -156 | dBm/Hz | ||
| Phase Quadrature Error | 0.3 | degrees @ 2140 MHz | ||
| Amplitude Balance | 0.1 | dB | ||
| Supply Voltage | 4.75 | 5.5 | 5.5 | V |
| Supply Current (ENOP High) | 135 | 150 | 150 | mA |
| Supply Current (ENOP Low) | 130 | 145 | 145 | mA |
| Package Type | 16-Lead TSSOP_EP | |||
| Operating Temperature Range | -40 | +85 | °C |
Key Features
- Wide Frequency Range: Operates from 700 MHz to 2700 MHz, making it versatile for various RF applications.
- High Modulation Accuracy: Excellent phase accuracy and amplitude balance, ensuring high-performance direct RF modulation.
- Output Disable Function: The output can be switched on and off within 50 ns, providing quick control over the output signal.
- Single Supply Operation: Operates on a single supply voltage from 4.75 V to 5.5 V.
- Low Noise Floor: A noise floor of -156 dBm/Hz, which is crucial for maintaining signal integrity.
- Pin Compatibility: Pin compatible with AD8345 and AD8346 models, facilitating easy integration into existing designs).
Applications
- Cellular/PCS Communication Systems: Suitable for base stations and infrastructure in cellular networks).
- WCDMA/CDMA2000/PCS/GSM/EDGE: Used in various wireless communication standards).
- Wireless LAN/Wireless Local Loop: Applicable in wireless local area networks and local loop systems).
- LMDS/Broadband Wireless Access Systems: Ideal for local multipoint distribution systems and broadband wireless access systems using complex modulation formats).
- QPSK or QAM Transmitters: Used in transmitters employing QPSK or QAM modulation schemes).
Q & A
- What is the frequency range of the AD8349AREZ?
The AD8349AREZ operates from 700 MHz to 2700 MHz).
- What is the modulation bandwidth of the AD8349AREZ?
The modulation bandwidth is up to 160 MHz).
- How quickly can the output be switched on and off?
The output can be switched on and off within 50 ns).
- What is the noise floor of the AD8349AREZ?
The noise floor is -156 dBm/Hz).
- What is the phase quadrature error of the AD8349AREZ?
The phase quadrature error is 0.3 degrees at 2140 MHz).
- What is the amplitude balance of the AD8349AREZ?
The amplitude balance is 0.1 dB).
- What is the supply voltage range for the AD8349AREZ?
The supply voltage range is from 4.75 V to 5.5 V).
- What is the package type of the AD8349AREZ?
The package type is 16-Lead TSSOP_EP).
- What is the operating temperature range of the AD8349AREZ?
The operating temperature range is from -40°C to +85°C).
- In what types of communication systems is the AD8349AREZ typically used?
The AD8349AREZ is typically used in cellular, PCS, WCDMA, CDMA2000, GSM, EDGE, and broadband wireless access systems).
