Overview
The HMC835LP6GE is a low noise, wide band, Fractional-N Phase-Locked Loop (PLL) produced by Analog Devices Inc. This component features an integrated Voltage Controlled Oscillator (VCO) with a fundamental frequency range of 2050 to 4100 MHz. It is designed to generate frequencies from 33 MHz to 4100 MHz, making it highly versatile for various high-frequency applications. The HMC835LP6GE is known for its excellent spectral performance, low phase noise, and integrated VCO Output Divider, which enables flexible frequency generation and distribution.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Output Frequency | 33 | - | 4100 | MHz |
| VCO Frequency at PLL Input | 2050 | - | 4100 | MHz |
| Maximum Phase Detector Rate | - | - | 100 | MHz |
| Phase Noise (in Band @2GHz) | -110 | - | - | dBc/Hz |
| PLL Figure of Merit (FOM) | -230 (Integer Mode) | - | -227 (Fractional Mode) | dBc/Hz |
| Integrated RMS Jitter (1 kHz to 100 MHz) | - | - | <94 fs | - |
| Output Power (at fundamental frequency @ 2050 MHz) | - | - | 5 | dBm |
| Output Power Control Range | - | - | 9 dB (3 dB steps) | - |
Key Features
- Wideband operation: 33 MHz to 4100 MHz
- Integrated VCO with a fundamental frequency of 2050 to 4100 MHz
- Integrated VCO Output Divider (divide by 2/4/6/.../60/62)
- Two independent RF outputs with independent gain control
- External VCO input for cascaded LO architectures
- Separate Charge Pump (CP) outputs for optimized loop filters
- Programmable RF output phase for phase adjustment and synchronization
- Configurable output mute function during frequency changes
- Exact Frequency Mode for generating fractional frequencies with 0 Hz frequency error
Applications
- Cellular Infrastructure
- Microwave Radio
- WiMax, WiFi
- Communications Test Equipment
- CATV Equipment
- MIMO and beam-forming radio architectures
Q & A
- What is the frequency range of the HMC835LP6GE? The HMC835LP6GE operates from 33 MHz to 4100 MHz.
- What is the fundamental frequency range of the integrated VCO? The integrated VCO has a fundamental frequency range of 2050 to 4100 MHz.
- What is the maximum phase detector rate of the HMC835LP6GE? The maximum phase detector rate is 100 MHz.
- What is the phase noise performance of the HMC835LP6GE? The phase noise is -110 dBc/Hz in band @2GHz.
- Does the HMC835LP6GE support external VCO input? Yes, it supports external VCO input for cascaded LO architectures.
- How many RF outputs does the HMC835LP6GE have? It has two independent RF outputs with independent gain control.
- What is the output power range of the HMC835LP6GE? The output power range is up to 5 dBm at the fundamental frequency @ 2050 MHz.
- Can the HMC835LP6GE generate fractional frequencies with 0 Hz frequency error? Yes, it can generate fractional frequencies with 0 Hz frequency error using the Exact Frequency Mode.
- What are some typical applications of the HMC835LP6GE? Typical applications include cellular infrastructure, microwave radio, WiMax, WiFi, communications test equipment, and CATV equipment.
- Does the HMC835LP6GE support programmable RF output phase? Yes, it supports programmable RF output phase for phase adjustment and synchronization.
