Applications Notes are designed to provide you with information concerning a variety of radio frequency (RF) applications. Basic theory is discussed and practical guidelines are offered as well. We hope you find these documents useful and please let us know if we can be of further assistance in meeting your specific application needs.

• Communicating to your 4421 Power Meter  through an RS-232 Interface
  
  
• Tower Top Amplifier - Advantages and Limitations
  
  
• Combiner and Receiver Multicoupler Design
  
  
• TPM Calibration Methods
  
  
• Using the API with your PC SignalHawk
  
  
• Applications for Directional Hybrid Couplers
  
  
• Antenna Location Is Not An Architectural Decision
  
  
• Everyone Needs Good Connections
  
  
• Guide to Calibrating the TPM using the 7006A250 Transfer Standard Kit
  
  
• Tips for Digital RF Power Measurement
  
  
• Configuring the Model 43 for MOTOBRO
  
  
• Insertion Loss in Band Pass Cavities
  
  
• RF Generator Output Power Testing Using Calorimetric Methods
  Providing an accurate means of measuring the output power of RF generators
  
  
• Transmitter Output Power Measurement in Digital Broadcast Systems
  Characteristics of conventional measurement methodologies and Developing a foundation of understanding newer techniques
  
  
• Installing a Monitor in the RF System
  Installation Instructions for the TPM Series, Transmit Power Monitors
  
  
• Measuring TDMA Signals
  
  
• Configuring the Spectrum Analyzer to Measure Low-Level Signals
  
  
• Cable Loss Masking Effect
  Masking Effect of Cable Loss on Antenna VSWR and Return Loss Measurements
  
  
• Passive Intermodulation
  Troubleshooting Passive Intermodulation (PIM)