Overview
The AD831AP-REEL7 is a low distortion, monolithic mixer produced by Analog Devices Inc. This component is designed for use in various RF and IF applications, including RF to IF downconversion, direct-to-baseband conversion, and quadrature modulation and demodulation. The AD831AP-REEL7 features a doubly balanced mixer architecture, which provides high linearity and low distortion, making it suitable for high-performance RF and IF systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD831AP-REEL7 |
| Package / Case | 20-LCC (J-Lead) |
| Mounting Type | Surface Mount |
| Voltage - Supply | 4.5V ~ 5.5V |
| Gain | 0dB |
| Frequency | 500MHz |
| Noise Figure | 14dB |
| Number of Mixers | 1 |
| Current - Supply | 125mA |
| RF Type | HF, VHF |
| Secondary Attributes | Down Converter |
Key Features
- Doubly Balanced Mixer: Provides high linearity and low distortion.
- Low Distortion: +24 dBm third order intercept point (IP3) and +10 dBm 1 dB compression point.
- Low LO Drive Required: –10 dBm LO drive for a +24 dBm output referred third order intercept point.
- Single-Ended Voltage Output: Available as either a differential current output or a single-ended voltage output.
- High Port-to-Port Isolation: No insertion loss and high isolation between RF, IF, and LO ports.
- Single- or Dual-Supply Operation: Can operate with single or dual supplies, with DC or AC coupling options.
- User-Programmable Power Consumption: Allows for tradeoff between dynamic range and power consumption.
Applications
- RF to IF Downconversion: In HF and VHF receivers.
- Direct-to-Baseband Conversion: For various communication systems.
- Quadrature Modulation and Demodulation: In I/Q modulators and demodulators.
- Image-Reject Mixers: For improving system performance in image-reject configurations.
- Doppler Shift Detection: In ultrasound imaging applications.
- Cellular and Two-Way Radio Base Stations: As a second mixer, offering reduced power consumption while maintaining high performance.
Q & A
- What is the primary function of the AD831AP-REEL7?
The AD831AP-REEL7 is a low distortion, monolithic mixer designed for RF to IF downconversion and other high-performance RF and IF applications.
- What is the operating voltage range of the AD831AP-REEL7?
The operating voltage range is 4.5V to 5.5V.
- What is the noise figure of the AD831AP-REEL7?
The noise figure is 14dB.
- What is the maximum frequency supported by the AD831AP-REEL7?
The maximum frequency supported is 500MHz.
- Can the AD831AP-REEL7 operate with single or dual supplies?
Yes, it can operate with either single or dual supplies.
- What is the third order intercept point (IP3) of the AD831AP-REEL7?
The third order intercept point (IP3) is +24 dBm.
- What is the typical supply current of the AD831AP-REEL7?
The typical supply current is 125mA.
- What types of RF signals does the AD831AP-REEL7 support?
The AD831AP-REEL7 supports HF and VHF RF signals.
- What are some common applications of the AD831AP-REEL7?
Common applications include RF to IF downconversion, direct-to-baseband conversion, quadrature modulation and demodulation, and doppler shift detection in ultrasound imaging.
- How does the AD831AP-REEL7 improve system performance compared to passive mixers?
The AD831AP-REEL7 improves system performance by providing a high third order intercept point with a low LO drive, eliminating the need for a high power LO driver and its associated shielding and isolation issues.
