HMC844LC4BTR - English Editing Encyclopedia Entry

Product Overview

Category

HMC844LC4BTR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for frequency synthesis and clock generation applications.

Characteristics

• High precision and stability
• Wide frequency range
• Low phase noise
• Compact size

Package

HMC844LC4BTR is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of HMC844LC4BTR lies in its ability to generate precise and stable frequencies for various electronic applications.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of HMC844LC4BTR ICs.

Specifications

• Frequency Range: 10 MHz to 6 GHz
• Output Power: +7 dBm
• Phase Noise: -150 dBc/Hz at 100 kHz offset
• Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The HMC844LC4BTR IC has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. RFout: Output signal
4. CE: Chip enable control
5. CLKin: Clock input
6. REFin: Reference input
7. LD: Lock detect output
8. VCOin: Voltage-controlled oscillator input

Functional Features

• Frequency synthesis with high accuracy
• Fast switching speed
• Low power consumption
• Integrated lock detect function
• Wide operating temperature range

Advantages and Disadvantages

Advantages

• High precision and stability in frequency generation
• Wide frequency range suitable for various applications
• Compact size allows for easy integration into electronic devices
• Low phase noise ensures high signal quality

Disadvantages

• Limited output power (+7 dBm)
• Requires an external reference input for frequency synthesis

Working Principles

HMC844LC4BTR utilizes a voltage-controlled oscillator (VCO) and a phase-locked loop (PLL) to generate precise frequencies. The PLL compares the VCO output with a reference input, adjusting the VCO control voltage to maintain frequency accuracy. The lock detect function ensures stable operation by indicating when the PLL is locked to the reference input.

Detailed Application Field Plans

HMC844LC4BTR finds applications in various fields, including:

1. Wireless communication systems
2. Radar systems
3. Test and measurement equipment
4. Satellite communication systems
5. Frequency synthesizers
6. Clock generation circuits

Detailed and Complete Alternative Models

1. HMC845LC4BTR: Similar to HMC844LC4BTR but with extended frequency range up to 12 GHz.
2. HMC846LC4BTR: Higher output power version of HMC844LC4BTR (+10 dBm).
3. HMC847LC4BTR: Dual-output version of HMC844LC4BTR for simultaneous frequency generation.

These alternative models provide similar functionality with slight variations in specifications to cater to different application requirements.

In conclusion, HMC844LC4BTR is a highly accurate and stable integrated circuit used for frequency synthesis and clock generation applications. Its compact size, wide frequency range, and low phase noise make it suitable for various electronic devices. While it has limitations in output power and requires an external reference input, its advantages outweigh these disadvantages. With its functional features, working principles, and detailed application field plans, HMC844LC4BTR serves as a reliable solution in the field of frequency generation.