Overview
The AD8347ARU-REEL7, produced by Analog Devices Inc., is a broadband direct quadrature demodulator designed for use in various communication systems. This component integrates RF and baseband automatic gain control (AGC) amplifiers, making it suitable for quadrature demodulation directly to baseband frequencies. The device operates over a wide frequency range of 800 MHz to 2.7 GHz, making it versatile for different communication applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Package | 28-TSSOP (Tape & Reel) | |
| Function | Demodulator | |
| LO Frequency | 800 MHz ~ 2.7 GHz | |
| RF Frequency | 800 MHz ~ 2.7 GHz | |
| Gain | 39.5 dB | |
| P1dB | -30 dBm | |
| Noise Figure | 11 dB | |
| Mounting Type | Surface Mount | |
| Voltage - Supply | 2.7 V ~ 5.5 V | |
| Current - Supply | 80 mA | |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Broadband direct quadrature demodulation with RF and baseband automatic gain control (AGC) amplifiers.
- Operates over a wide frequency range of 800 MHz to 2.7 GHz.
- High quadrature accuracy and amplitude balance achieved through polyphase filters in the LO quadrature phase splitter.
- Separate I and Q channel variable gain amplifiers for baseband outputs.
- Total gain control of 69.5 dB provided by RF and baseband amplifiers.
- Outputs can be connected directly to popular A-to-D converters such as the AD9201 and AD9283.
- Baseband variable gain amplifier outputs brought off-chip for filtering before final amplification.
- Ability to set the dc common-mode level at the baseband outputs.
Applications
The AD8347ARU-REEL7 is suitable for use in various communication receivers, including but not limited to:
- Cellular base stations
- Cordless phones and other wireless communication systems
- Satellite communication systems
- General-purpose quadrature demodulation in communication equipment
Q & A
- What is the operating frequency range of the AD8347ARU-REEL7?
The AD8347ARU-REEL7 operates over a frequency range of 800 MHz to 2.7 GHz.
- What type of package does the AD8347ARU-REEL7 come in?
The AD8347ARU-REEL7 comes in a 28-TSSOP package, supplied on a 7” tape and reel.
- What is the gain of the AD8347ARU-REEL7?
The gain of the AD8347ARU-REEL7 is 39.5 dB.
- What is the noise figure of the AD8347ARU-REEL7?
The noise figure of the AD8347ARU-REEL7 is 11 dB.
- What is the supply voltage range for the AD8347ARU-REEL7?
The supply voltage range for the AD8347ARU-REEL7 is 2.7 V to 5.5 V.
- What is the maximum supply current for the AD8347ARU-REEL7?
The maximum supply current for the AD8347ARU-REEL7 is 80 mA.
- What is the operating temperature range for the AD8347ARU-REEL7?
The operating temperature range for the AD8347ARU-REEL7 is -40°C to +85°C.
- Can the AD8347ARU-REEL7 outputs be connected directly to A-to-D converters?
Yes, the outputs of the AD8347ARU-REEL7 can be connected directly to popular A-to-D converters such as the AD9201 and AD9283.
- How does the AD8347ARU-REEL7 achieve high quadrature accuracy?
The AD8347ARU-REEL7 achieves high quadrature accuracy through the use of polyphase filters in the LO quadrature phase splitter.
- What is the total gain control provided by the AD8347ARU-REEL7?
The total gain control provided by the AD8347ARU-REEL7 is 69.5 dB.
