Overview
The HMC703LP4E fractional synthesizer, produced by Analog Devices Inc., is a high-performance component built on the advanced PLL platform also found in the HMC704LP4E and Hittite’s latest generation of PLL+VCO products. This synthesizer is renowned for its exceptional phase noise and spurious performance, making it ideal for various high-frequency applications. It offers a wide range of features including frequency sweep, modulation, external triggering, and precise frequency control, all within a compact 24-lead 4x4 mm SMT package.
Key Specifications
| Parameter | Conditions | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| RF Input Frequency Range | - | DC | - | 8000 | MHz |
| Prescaler Input Freq Range | - | DC | - | 4000 | MHz |
| Power Range | - | -15 | -10 | -3 | dBm |
| Return Loss | - | -18 | -12 | -7 | dB |
| Ref Input Frequency Range (3.3V) | - | DC | - | 350 | MHz |
| Ref Divider Range (14 bit) | - | 1 | - | 16,383 | - |
| Phase Detector Rate (Integer Mode) | - | DC | - | 115 | MHz |
| Phase Detector Rate (Fractional Mode B) | - | DC | - | 100 | MHz |
| Phase Detector Rate (Fractional Mode A) | - | DC | - | 80 | MHz |
| Charge Pump CP Output Current | - | - | - | 20 µA steps | - |
Key Features
- Wide band RF input frequency range from DC to 8 GHz
- Best-in-industry phase noise and spurious performance: -112 dBc/Hz @ 8 GHz, -230 dBc/Hz in fractional mode, and -233 dBc/Hz in integer mode
- High PFD rate: up to 100 MHz with < 50 fs RMS jitter
- Frequency and phase modulation capabilities
- Integrated frequency sweeper and triggered frequency hopping
- External triggering and double-buffering
- Exact frequency control with a 24-bit fractional modulator
- Compact 24-lead 4x4 mm SMT package
Applications
- Microwave Point-to-Point Radios
- Base stations for Mobile Radio (GSM, PCS, DCS, CDMA, WCDMA)
- Wireless LANs and WiMAX
- Communications Test Equipment
- CATV Equipment
- Automotive sensors
- Phased Arrays (AESA)
- FMCW Radar systems
Q & A
- What is the RF input frequency range of the HMC703LP4E? The RF input frequency range is from DC to 8 GHz.
- What are the key features of the HMC703LP4E? Key features include wide band RF input, best-in-industry phase noise and spurious performance, high PFD rate, frequency and phase modulation, and integrated frequency sweeper.
- What are the typical applications of the HMC703LP4E? Typical applications include microwave point-to-point radios, base stations for mobile radio, wireless LANs, communications test equipment, CATV equipment, automotive sensors, phased arrays, and FMCW radar systems.
- What is the package type and size of the HMC703LP4E? The component is packaged in a 24-lead 4x4 mm SMT package.
- What is the phase detector rate range for the HMC703LP4E? The phase detector rate ranges from DC to 115 MHz in integer mode, DC to 100 MHz in fractional mode B, and DC to 80 MHz in fractional mode A.
- Does the HMC703LP4E support external triggering? Yes, it supports external triggering.
- What is the charge pump output current step size? The charge pump output current step size is 20 µA.
- What is the operating temperature range of the HMC703LP4E? The operating temperature range is from -40 °C to 85 °C.
- What is the power supply requirement for the HMC703LP4E? The power supply requirements include 3.3 V for digital and 5.0 V for the charge pump.
- Is the HMC703LP4E RoHS compliant? Yes, the HMC703LP4E is RoHS compliant.
