DC Bias Adjustable Amplifier Module ±5V–±18V 2MHz 113x Gain
DC Bias Adjustable Amplifier Module ±5V–±18V 2MHz 113x Gain
DC Bias Adjustable Amplifier Module — ±5V to ±18V, 2MHz Bandwidth, 113x Gain
Take precise control of your signal chain with this versatile DC Bias Adjustable Amplifier Module. Engineered for engineers, hobbyists, and electronics developers alike, this compact module delivers a fixed gain of 113x, a wide ±5V to ±18V dual power supply range, and a 2MHz bandwidth — making it an ideal solution for ADC/DAC buffering, signal amplification, and DC bias conditioning in a wide variety of analog circuit applications.
With SMA connectors for both input and output, low output impedance, and built-in reverse power connection protection, this module is designed for reliable performance and ease of integration into your existing test bench or embedded system design.
Key Specifications
- Power Supply: ±5V to ±18V (dual supply)
- Input Voltage Range: ±13V
- Input Impedance: 20KΩ
- Output Voltage Range: ±13V
- Output Impedance: Low resistance
- Output Drive Capability: 40mA (MAX)
- Module Bandwidth: 2MHz
- Module Gain: 113x (fixed)
- Bias Adjustment Range: ±11V
- Signal Type: Single-ended input/output
- I/O Interface: SMA connectors
- Power Protection: Reverse power connection protection
- Applications: ADC/DAC buffer, signal amplifier, signal bias conditioning
Why Choose This Amplifier Module?
- ✅ Wide power supply range — works seamlessly with ±5V, ±12V, ±15V, and ±18V rails commonly found in lab and embedded environments
- ✅ Adjustable DC bias up to ±11V — shift your signal level to perfectly match ADC/DAC input requirements without external circuitry
- ✅ 2MHz bandwidth — suitable for audio, instrumentation, and moderate-speed analog signal processing
- ✅ SMA interfaces — industry-standard connectors for reliable, low-noise signal connections
- ✅ Reverse polarity protection — guards against accidental wiring errors that could damage your module or downstream components
- ✅ Compact form factor — drops easily into prototyping setups, development boards, or custom PCB enclosures
Ideal Applications
- ADC/DAC input/output buffering and level shifting
- Signal gain stages in instrumentation and measurement systems
- DC bias conditioning for sensor signal chains
- Laboratory test equipment and analog front-end design
- Embedded system analog signal processing
Package Contents
- 1× DC Bias Adjustable Amplifier Module
Made in Mainland China.
Note: Due to lighting and display screen differences, the item's color may appear slightly different from product images. Please allow 1mm–1cm measurement tolerances due to manual measurement.
For more information on analog signal integrity and measurement best practices, visit the NIST Electronics Resources.
Frequently Asked Questions
Q: What is the DC bias adjustable amplifier module used for?
A: This amplifier module is designed for ADC/DAC buffering, signal level shifting, and DC bias conditioning in analog signal chains. It allows you to amplify a signal by 113x and independently adjust the DC bias offset up to ±11V, making it ideal for matching signal levels to the input requirements of analog-to-digital or digital-to-analog converters in embedded and instrumentation systems.
Q: What power supply does this amplifier module require?
A: The module requires a dual (split) power supply ranging from ±5V to ±18V. It is compatible with common lab supply rails such as ±5V, ±12V, ±15V, and ±18V. It also includes reverse power connection protection to prevent damage from accidental polarity reversal.
Q: What type of connectors does this module use?
A: Both the input and output interfaces use standard SMA connectors, which are widely used in RF and instrumentation applications for reliable, low-noise signal transmission. The module operates in single-ended input/output mode.
Q: Is this module suitable for audio frequency signal amplification?
A: Yes. With a 2MHz bandwidth and 113x fixed gain, this module covers the full audio frequency spectrum and well beyond, making it suitable for audio instrumentation, sensor signal amplification, and moderate-speed analog processing tasks.