Pasternack Blog

RF testing no longer happens exclusively in clean, climate-controlled laboratories. VNAs and associated test gear are increasingly deployed on production floors, outdoor sites and field installations where environmental exposure is unavoidable. Dust, moisture, temperature variation and mechanical vibration all pose risks to RF measurement accuracy. Without proper environmental protection, these factors introduce instability, accelerate wear ..

Calibration drift is one of the most difficult accuracy problems to detect in RF and microwave testing. Unlike obvious failures, drift develops gradually, quietly shifting measurements away from calibrated reference points without triggering alarms or hard errors. Temperature change is one of the most common and underestimated causes of drift. Whether in a climate-controlled lab, ..

Vector network analyzers play a central role in high-volume RF and microwave manufacturing, verifying performance, catching defects and protecting product quality before shipment. Yet in many production environments, test cables are treated as consumables rather than critical measurement assets. This mindset often leads to the use of low-cost VNA cables that appear acceptable on a specification sheet but fail to hold ..

The rollout of 5G infrastructure has transformed how wireless networks are designed, deployed and tested. Higher data rates, lower latency and support for massive device connectivity place new demands on RF measurement systems, particularly as networks extend into higher frequency ranges. Testing 5G infrastructure at 40 GHz introduces challenges that go beyond traditional sub-6 GHz measurements. Outdoor environments, long ..

Unmanned aerial vehicle (UAV) missions increasingly operate in environments where reliability is non-negotiable. From defense and surveillance operations to infrastructure inspection and disaster response, these platforms depend on uninterrupted RF communication to maintain command and control, transmit telemetry and deliver mission-critical payload data. In these high-risk, high-consequence environments, a single RF failure can quickly disrupt operations. A loose connector, degraded cable assembly ..

Global Positioning System (GPS) and Global Navigation Satellite System (GNSS) technologies are fundamental to modern navigation, positioning and timing systems. UAV platforms, autonomous vehicles, defense systems and surveying equipment all rely on accurate GNSS signals to determine precise location and maintain mission awareness. However, GNSS performance can degrade significantly in contested or challenging environments. Weak satellite signals must travel long distances before reaching receivers, making them vulnerable ..

Unmanned aerial vehicle (UAV) missions rely on uninterrupted RF communication links to maintain command and control, transmit telemetry and deliver mission-critical payload data. While engineers often focus on radios, antennas and communication waveforms, another component quietly plays a crucial role in protecting RF systems: the circulator. RF circulators are rarely discussed outside specialized RF design conversations, yet they are essential for maintaining stable communication links in ..

Unmanned aerial vehicle (UAV) systems rely on complex electronic and RF architectures to support communications, navigation and payload operations. While attention is often focused on radios, antennas and sensors, the performance of these systems ultimately depends on the quality of the connections between them. Connectors are frequently treated as commodity components during system design. However, these small interconnect devices play a critical role ..

Unmanned aerial vehicle (UAV) communication systems rely on a complex network of radios, antennas, sensors and ground control equipment. These systems must work together seamlessly to support command and control, telemetry transmission and payload data exchange. However, achieving reliable communication across this RF chain often depends on a small but critical component: the RF adapter. Compatibility challenges between connectors, frequencies ..

The rapid growth of unmanned aircraft systems (UAS) is transforming the aviation landscape. From infrastructure inspection and cargo delivery to defense and emergency response, drones are expanding how airspace is used. However, integrating unmanned aircraft safely alongside traditional manned aircraft requires reliable communication systems that support coordination, situational awareness and operational safety. RF communication serves as the backbone of this integration. It enables command ..