Description

The ADF4106SP1BRU-RL7 is a frequency synthesizer that can be used as a local oscillator in wireless receivers and transmitters. It consists of a low noise, digital phase frequency detector, a precision charge pump, programmable counters, and a dual-modulus prescaler. The synthesizer can implement a phase-locked loop when used with an external loop filter and voltage controlled oscillator. Its high bandwidth allows for the elimination of frequency doublers in high frequency systems, simplifying system architecture and reducing cost.

Specifications and features

• 6.0 GHz bandwidth
• 2.7 V to 3.3 V power supply
• Separate charge pump supply (VP) allows extended tuning voltage in 3 V systems
• Programmable dual-modulus prescaler options
• Programmable charge pump currents
• Programmable antibacklash pulse width
• 3-wire serial interface
• Analog and digital lock detect
• Hardware and software power-down mode

Application Scenarios

The ADF4106SP1BRU-RL7 is commonly used in the following applications:

• Broadband wireless access
• Satellite systems
• Instrumentation
• Wireless LANS
• Base stations for wireless radios

Comparison

Advantages and disadvantages of the ADF4106SP1BRU-RL7:

• High bandwidth eliminates the need for frequency doublers in many systems
• Programmable options for prescaler, charge pump, and antibacklash pulse width
• Compatible with a range of power supply voltages
• Includes lock detect features for improved stability

• Requires an external loop filter and voltage controlled oscillator for full PLL implementation
• Not suitable for low-frequency applications