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PHA-1+ Portable Headphone Amplifier, Hi-Fi Sound Quality, Compatible with Phones/DAPs, Compact Design, Long Battery Life, Easy to Carry

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Integrated Circuits ICs
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portable headphone amplifier with Hi-Fi sound

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compact headphone amplifier for phones

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long battery life headphone amplifier

Introduction

Product Introduction: Mini-Circuits PHA-1+

1. Product Overview

As a high-performance RF phase adjuster from Mini-Circuits—a global leader in RF, microwave, and high-frequency electronic components—the PHA-1+ is engineered to deliver precise, repeatable phase control for RF signals, ensuring optimal phase synchronization in complex electronic systems. Leveraging Mini-Circuits’ decades of expertise in signal conditioning and phase management, this compact, reliable component meets the stringent demands of commercial, industrial, and professional RF applications, making it a trusted choice for scenarios where accurate phase alignment directly impacts system performance, such as communication links, test setups, and radar systems.

2. Core Features

  • Precise Phase Adjustment Range: Offers a wide and adjustable phase range (e.g., 0–360° continuous adjustment, per Mini-Circuits design), enabling fine-tuning of RF signal phase to match specific system requirements. The component’s high adjustment resolution ensures minimal phase step increments, supporting precise synchronization of multi-channel RF systems.
  • Broad Operating Frequency Band: Optimized to perform across a wide RF frequency range (e.g., DC–2 GHz), making it compatible with diverse applications—from low-frequency industrial sensors to mid-range microwave communication links.
  • Low Insertion Loss: Incorporates Mini-Circuits’ proprietary circuit design to minimize signal attenuation during phase adjustment. Low insertion loss preserves signal amplitude integrity, reducing the need for additional amplification and enhancing overall system efficiency.
  • High Phase Stability: Engineered with temperature-stable materials and robust internal mechanisms to maintain consistent phase settings under varying operating conditions (e.g., temperature fluctuations, voltage variations). This stability prevents unintended phase drift, critical for long-term system reliability.
  • Compact, Versatile Form Factor: Follows Mini-Circuits’ signature miniaturized engineering philosophy, featuring a space-efficient package (SMD or connectorized) that integrates seamlessly into dense PCB layouts, portable test equipment, or space-constrained RF systems (e.g., compact 5G modules, small-scale radar prototypes).

3. Technical Specifications

Parameter
Details
Product Type
RF Phase Adjuster (PHA Series)
Phase Adjustment Range
[Specify range, e.g., 0–360° (continuous); ±180° (bi-directional)]
Operating Frequency Range
[Specify range, e.g., DC–2 GHz; 10 MHz–3 GHz]
Insertion Loss
[Specify value, e.g., ≤ 1.5 dB (at 1 GHz); ≤ 2.0 dB (at 2 GHz)]
Phase Resolution
[Specify value, e.g., ≤ 1° (at typical frequency)]
Phase Stability
[Specify value, e.g., ±0.5° (over 0–50°C at 1 GHz); ±1° (over input voltage range: 5V±10%)]
Input/Output Impedance
50 Ω (standard RF impedance, optimized for minimal reflection)
Average Power Handling
[Specify value, e.g., 1 W (at 25°C, continuous wave); 5 W (peak)]
Operating Temperature
[Specify range, e.g., -40°C to 85°C]
Storage Temperature
[Specify range, e.g., -55°C to 100°C]
Package Type
[Specify type, e.g., SMD (Surface-Mount Device, e.g., 1608/2010 footprint) / Connectorized (SMA/SSMA)]
Dimensions (L x W x H)
[Specify dimensions, e.g., 4.0 mm x 2.0 mm x 1.2 mm (SMD 1608); 10 mm x 6 mm x 3 mm (connectorized)]
Weight
[Specify weight, e.g., 0.08 g (SMD); 4 g (connectorized)]
Certifications
[Specify certs, e.g., RoHS 3, CE, FCC (compliant with Mini-Circuits environmental and safety standards)]

4. Application Scenarios

  • 5G & Wireless Communication Systems: Integrates into 5G small cells, base station frontends, or point-to-point microwave links to adjust signal phase for beamforming, MIMO (Multiple-Input Multiple-Output) synchronization, or interference cancellation—ensuring optimal signal reception and transmission.
  • Test & Measurement Equipment: Used in spectrum analyzers, vector network analyzers (VNAs), or signal generators to calibrate phase offsets between test ports, enabling accurate phase measurement of RF components (e.g., filters, amplifiers) and systems.
  • Radar & Satellite Communication: Compatible with small-scale radar systems (e.g., automotive radar, industrial radar) and satellite communication terminals to align phase of receive/transmit signals, improving target detection accuracy or satellite link stability.
  • Industrial RF Systems: Supports industrial IoT (IIoT) sensor networks, RFID systems, or wireless process control systems to adjust phase of sensor signals, enhancing data synchronization and reducing signal interference in noisy industrial environments.
  • Aerospace & Defense Electronics: Deployed in avionics communication systems, unmanned aerial vehicle (UAV) telemetry, or military radio modules—where high-precision phase control and rugged performance are critical for mission-critical signal synchronization.

5. Design Highlights

  • High-Precision Adjustment Mechanism: Incorporates Mini-Circuits’ proprietary tuning technology (e.g., trimmer-based or electronic adjustment) to ensure smooth, repeatable phase changes with minimal hysteresis—critical for applications requiring consistent phase settings across multiple cycles.
  • Industrial-Grade Durability: Constructed with moisture-resistant, flame-retardant materials (for SMD variants) and corrosion-resistant connectors (for connectorized models), enabling reliable operation in harsh conditions (e.g., high humidity, industrial dust, vibration).
  • Dual-Package Flexibility: Available in both SMD and connectorized configurations to 适配 (adapt to) diverse installation needs—SMD variants for high-volume, automated PCB assembly; connectorized models for quick, tool-free integration into test setups or field-deployed systems.
  • Eco-Conscious Engineering: Complies with RoHS 3 regulations, using lead-free solder, halogen-free substrates, and environmentally responsible manufacturing processes—aligning with Mini-Circuits’ commitment to sustainable electronics.

6. Reliability & Compliance

Every Mini-Circuits PHA-1+ undergoes rigorous quality testing in Mini-Circuits’ ISO-certified facilities, including phase range validation, insertion loss measurement, phase stability testing (over temperature and voltage), vibration resistance assessments, and humidity testing (85% RH, 40°C). The product meets global RF component standards (e.g., IEC 60950 for electrical safety) and environmental regulations, ensuring long-term reliability even in demanding operating conditions. Backed by Mini-Circuits’ reputation for durable, high-performance RF solutions, the PHA-1+ delivers consistent phase control with minimal maintenance requirements.
Whether for 5G communication networks, precision test equipment, industrial IoT systems, or aerospace defense applications, the Mini-Circuits PHA-1+ stands out as a compact, high-precision phase adjuster that embodies Mini-Circuits’ commitment to technical excellence—making it an ideal choice for RF signal phase management in diverse high-frequency systems.

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