Overview
The HMC700LP4ETR, produced by Analog Devices Inc., is a high-performance 8 GHz, 16-bit Fractional-N Phase-Locked Loop (PLL) synthesizer. This component is fabricated using SiGe BiCMOS technology, which ensures ultra-low phase noise and low spurious products. The HMC700LP4ETR is designed for applications requiring precise frequency synthesis with minimal noise and spurious emissions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Frequency Range | 100 MHz to 8 GHz | |
| Prescaler Resolution | 16-bit | |
| Phase Detector Frequency (Fractional) | 50 - 70 MHz | |
| Phase Detector Frequency (Integer) | 0.2 - 100 MHz | |
| Reference Path Input Range | 200 MHz, 14-bit | |
| Reference Input Level | 250 - 5000 mVpp | |
| Phase Noise (6 GHz, 50 MHz Ref.) | -103 / -108 dBc/Hz @ 20 kHz (Frac / Integer) | |
| Figure of Merit (FOM) | -221 / -226 dBc/Hz (Frac / Integer) | |
| Step Size Resolution | 24 bit, 3 Hz typ. | |
| Charge Pump Supply Voltage | Up to 5.5 Volts |
Key Features
- Ultra-low phase noise and low spurious products, making it suitable for high-performance applications.
- 16-bit prescaler and 24-bit step size resolution for fine frequency tuning.
- Supports both fractional and integer modes of operation.
- Direct FSK modulation mode for use as a simple FM transmitter source.
- Cycle slip prevention (CSP) technology for faster frequency hopping times.
- Advanced delta-sigma modulator design to minimize spurious outputs.
- Internal differential common emitter RF input stage with DC coupling and ESD protection.
- Read/write serial port for configuration and control.
Applications
- Wireless communication systems requiring high frequency stability and low noise.
- Radar and electronic warfare systems where precise frequency synthesis is critical.
- Test and measurement equipment needing high-performance frequency generation.
- Satellite communication systems requiring low phase noise and spurious emissions.
- Base stations and cellular infrastructure where frequency stability is paramount.
Q & A
- What is the frequency range of the HMC700LP4ETR?
The HMC700LP4ETR operates over a frequency range of 100 MHz to 8 GHz.
- What is the phase noise performance of the HMC700LP4ETR?
The phase noise is -103 / -108 dBc/Hz @ 20 kHz for fractional and integer modes, respectively.
- Does the HMC700LP4ETR support FSK modulation?
Yes, it supports direct FSK modulation mode for use as a simple FM transmitter source.
- What is the step size resolution of the HMC700LP4ETR?
The step size resolution is 24 bits, with a typical value of 3 Hz.
- What is the recommended reference input level for the HMC700LP4ETR?
The recommended reference input level is greater than 500 mVpp to avoid phase noise degradation.
- How does the HMC700LP4ETR prevent cycle slips?
The HMC700LP4ETR features cycle slip prevention (CSP) technology to prevent cycle slips and allow faster frequency hopping times.
- What is the charge pump supply voltage range for the HMC700LP4ETR?
The charge pump supply voltage can be as high as 5.5 Volts.
- Is the RF input stage of the HMC700LP4ETR internally matched?
The RF input stage is internally matched from a single-ended 50 ohm source above about 3.5 GHz.
- What are the typical applications of the HMC700LP4ETR?
Typical applications include wireless communication systems, radar and electronic warfare systems, test and measurement equipment, satellite communication systems, and base stations.
- How is the HMC700LP4ETR configured and controlled?
The HMC700LP4ETR is configured and controlled through a read/write serial port.
