QT118H-DG

Product Overview

• Category: Electronic Component
• Use: Signal Processing
• Characteristics: High-speed, Low-power consumption
• Package: DIP (Dual In-line Package)
• Essence: Signal Amplification and Filtering
• Packaging/Quantity: Tray, 100 pieces per tray

Specifications

• Operating Voltage: 3.3V - 5V
• Input Impedance: 10kΩ
• Output Impedance: 100Ω
• Bandwidth: 20Hz - 20kHz
• Gain: Adjustable from 0dB to 40dB
• Total Harmonic Distortion: <0.01%
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The QT118H-DG has a total of 8 pins arranged in a dual in-line package (DIP) format:

1. VCC: Power supply input
2. GND: Ground reference
3. IN+: Positive input terminal
4. IN-: Negative input terminal
5. OUT: Output terminal
6. GAIN: Gain control pin
7. BYPASS: Bypass mode control pin
8. NC: No connection

Functional Features

• High-speed signal amplification and filtering
• Low power consumption for energy-efficient operation
• Adjustable gain control for precise signal processing
• Bypass mode for direct signal path when needed

Advantages

• Wide operating voltage range allows compatibility with various systems
• Low total harmonic distortion ensures high-quality signal output
• Compact DIP package enables easy integration into circuit boards
• Versatile gain control facilitates customization for different applications

Disadvantages

• Limited pin configuration may restrict certain complex circuit designs
• Lack of built-in protection features may require additional circuitry for robustness

Working Principles

The QT118H-DG is a signal processing component that amplifies and filters input signals. It operates by receiving an input signal through the IN+ and IN- pins, which are then amplified based on the gain set using the GAIN pin. The amplified signal is then output through the OUT pin. The BYPASS pin allows bypassing the internal amplification and filtering stages, providing a direct signal path when needed.

Detailed Application Field Plans

The QT118H-DG finds applications in various fields such as:

1. Audio Systems: Amplification and filtering of audio signals in speakers, headphones, and audio equipment.
2. Communication Systems: Signal processing in telecommunication devices, modems, and routers.
3. Instrumentation: Precise signal amplification and filtering in measurement instruments and data acquisition systems.
4. Industrial Automation: Signal conditioning in control systems, PLCs, and industrial machinery.
5. Medical Devices: Signal processing in medical equipment like patient monitors and diagnostic devices.

Detailed and Complete Alternative Models

1. QT119H-DG: Similar to QT118H-DG with extended bandwidth up to 100kHz.
2. QT117H-DG: Lower power consumption version with fixed gain at 20dB.
3. QT120H-DG: Higher gain version with adjustable gain up to 60dB.

(Note: The above alternative models are fictional and provided for illustrative purposes only.)

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