This product is a high-performance, voltage-controlled variable attenuator designed to operate over an extremely wide bandwidth from DC to 8GHz, providing a continuous attenuation range of up to 30dB. Its standard SMA RF interfaces ensure convenient and reliable connections with various test systems and circuit modules, making it an ideal choice for precise signal control in modern RF and microwave systems.
Characteristics:
1. Ultra-wideband design: Covers a broad frequency range from DC to 8GHz, perfectly meeting the requirements of multi-band and wide-spectrum applications such as 5G, satellite communications, and defense electronics. A single component can fulfill the system's broadband needs.
2. Precise voltage control: Continuous attenuation from 0 to 30dB is achieved via a single analog voltage interface. The product exhibits excellent linear control characteristics, ensuring a highly linear relationship between attenuation and control voltage for easy system integration and programming.
3. Excellent RF performance: Demonstrates low insertion loss and outstanding voltage standing wave ratio across the entire operating frequency band and attenuation range. Its flat attenuation curve ensures signal waveform integrity without distortion under varying attenuation states, guaranteeing system signal integrity.
4. High integration and reliability: Utilizing advanced MMIC (Monolithic Microwave Integrated Circuit) technology, the product features a compact and robust design, offering good temperature stability and consistency, making it suitable for harsh environments with extremely high reliability requirements.
Applications:
1. Automated test equipment: Used in test systems for wireless communication and radar modules for precise calibration, dynamic range expansion, and receiver sensitivity testing.
2. Communication systems: Applied in 5G base stations, point-to-point microwave links, and satellite communication equipment for automatic gain control loops to stabilize signal levels and prevent receiver overload.
3. Electronic warfare and radar systems: Used for signal simulation, electronic countermeasures, and radar pulse shaping, enabling rapid attenuation changes for signal deception or protection of sensitive receiver channels.
4. Laboratory R&D: Provides engineers with a flexible, programmable attenuation solution during prototype design and validation phases, enabling evaluation of circuit and system dynamic performance.
Qualwave Inc. provide broadband, high dynamic range voltage controlled attenuators with frequencies up to 90GHz. This article introduces a DC to 8GHz voltage controlled attenuator with an attenuation range of 0 to 30dB.
1. Electrical Characteristics
Frequency: DC~8GHz
Insertion Loss: 2dB typ.
Attenuation Flatness: ±1.5dB typ. @0~15dB
±3dB typ. @16~30dB
Attenuation Range: 0~30dB
VSWR: 2 typ.
Power Supply Voltage: +5V DC
Control Voltage: -4.5~0V
Current: 50mA typ.
Impedance: 50Ω
2. Absolute Maximum Ratings*1
RF Input Power: +18dBm
Power Supply Voltage: +6V
Control Voltage: -6~+0.3V
[1] Permanent damage may occur if any of these limits are exceeded.
3. Mechanical Properties
Size*2: 38*36*12mm
1.496*1.417*0.472in
RF Connectors: SMA Female
Mounting: 4-Φ2.8mm through-hole
[2] Exclude connectors.
4. Outline Drawings
Unit: mm [in]
Tolerance: ±0.2mm [±0.008in]
5. Environmental
Operating Temperature: -40~+85℃
Non-operating Temperature: -55~+125℃
6. How To Order
We believe that our competitive pricing and robust product line can greatly benefit your operations. Kindly reach out should you wish to ask any questions.
Post time: Nov-06-2025
+86-28-6115-4929
