Overview
The HMC703LP4E is a high-performance fractional synthesizer developed by Analog Devices Inc. This component is built on the advanced PLL (Phase-Locked Loop) platform, which is also utilized in the HMC704LP4E and Hittite’s latest generation of PLL+VCO products. The HMC703LP4E is renowned for its exceptional phase noise and spurious performance, making it ideal for various high-frequency applications.
Key Specifications
| Parameter | Conditions | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| RF Input Frequency Range | DC | 8000 MHz | MHz | ||
| Prescaler Input Freq Range | DC | 4000 MHz | MHz | ||
| Power Range | -15 | -10 | -3 | dBm | |
| Return Loss | -18 | -12 | -7 | dB | |
| Ref Input Frequency Range (3.3V) | DC | 350 MHz | MHz | ||
| Ref Divider Range (14 bit) | 1 | 16,383 | |||
| Phase Detector Rate - Integer Mode | DC | 115 MHz | MHz | ||
| Phase Detector Rate - Fractional Mode B | DC | 100 MHz | MHz | ||
| Phase Detector Rate - Fractional Mode A | DC | 80 MHz | MHz | ||
| Charge Pump CP Output Current | 20 µA steps | µA |
Key Features
- Wide Bandwidth: The HMC703LP4E operates over a wide frequency range from DC to 8 GHz.
- Exceptional Phase Noise and Spurious Performance: Achieves -112 dBc/Hz at 8 GHz with a 50 kHz offset, and a Figure of Merit of -230 dBc/Hz in fractional mode and -233 dBc/Hz in integer mode.
- High PFD Rate: Supports a phase frequency detector (PFD) rate up to 100 MHz with low jitter (< 50 fs RMS).
- Frequency and Phase Modulation: Includes integrated frequency sweep and modulation features.
- External Triggering and Double Buffering: Supports external triggering and double buffering for precise frequency control.
- Compact Package: Available in a 24-lead 4x4 mm SMT package.
Applications
- Microwave Point-to-Point Radios: Ideal for high-frequency radio systems.
- Base Stations for Mobile Radio: Supports GSM, PCS, DCS, CDMA, and WCDMA standards.
- Wireless LANs and WiMAX: Suitable for wireless local area networks and Worldwide Interoperability for Microwave Access systems.
- Communications Test Equipment: Used in various test and measurement applications.
- CATV Equipment: Applicable in cable television systems.
- Automotive Sensors: Used in automotive sensing applications.
- Phased Arrays and FMCW Radar Systems: Ideal for phased array antennas and Frequency Modulated Continuous Wave (FMCW) radar systems.
Q & A
- What is the operating frequency range of the HMC703LP4E?
The HMC703LP4E operates from DC to 8 GHz.
- What are the key features of the HMC703LP4E in terms of phase noise and spurious performance?
The HMC703LP4E achieves -112 dBc/Hz at 8 GHz with a 50 kHz offset and has a Figure of Merit of -230 dBc/Hz in fractional mode and -233 dBc/Hz in integer mode.
- What is the maximum PFD rate supported by the HMC703LP4E?
The HMC703LP4E supports a PFD rate up to 100 MHz.
- Does the HMC703LP4E support frequency and phase modulation?
Yes, it includes integrated frequency sweep and modulation features.
- What is the package type and size of the HMC703LP4E?
The HMC703LP4E is available in a 24-lead 4x4 mm SMT package.
- What are some typical applications of the HMC703LP4E?
Typical applications include microwave point-to-point radios, base stations for mobile radio, wireless LANs, WiMAX, communications test equipment, CATV equipment, automotive sensors, phased arrays, and FMCW radar systems.
- How does the HMC703LP4E handle external triggering?
The HMC703LP4E supports external triggering through its dedicated trigger pin.
- What is the power supply requirement for the HMC703LP4E?
The HMC703LP4E requires power supplies ranging from 2.7V to 3.5V for various sections including RVDD, AVDD, VCCPs, VCCHF, VCCPD, DVDD, VDDIO, and VDDLs.
- Is the HMC703LP4E compatible with other PLL models from Analog Devices?
Yes, it maintains pin compatibility with the HMC700LP4E PLL.
- Where can I find detailed specifications and datasheets for the HMC703LP4E?
Detailed specifications and datasheets can be found on the official Analog Devices website, as well as through distributors like Mouser Electronics and X-On Electronics.
