The Agilent/Keysight 8565A is a portable spectrum analyzer delivering RF and microwave signal analysis from 10 MHz to 22 GHz via direct coaxial input, with extended capability to 40 GHz using an optional external mixer. Built to MIL-PRF-28800 Class 3 ruggedness standards, the instrument combines field portability with laboratory-grade measurement precision.
Technical Specifications
Frequency Coverage
• 10 MHz to 22 GHz direct input
• 14.5 GHz to 40 GHz with optional HP 11517A External Mixer
• Internal preselection from 1.7 GHz to 22 GHz eliminates spurious responses and protects the input mixer
Resolution & Measurement Accuracy
• Resolution bandwidth: 1 kHz to 3 MHz standard
• Option 100 adds 100 Hz and 300 Hz RBW selections
• Fast digital resolution bandwidths available from 1 Hz to 3 MHz
• Absolute amplitude accuracy: ±1.0 dB
• Displayed Average Noise Level: -149 dBm/Hz
• Phase noise: <-113 dBm/Hz at 10 kHz offset
• Dynamic range: +30 dBm to -106 dBm
• Input impedance: 50 ohms
Display & Controls
• CRT monochrome display with bezel readout of control settings
• Three primary controls enable most measurements after parameter setup
• Coupled frequency span, bandwidth, and video filter with automatic sweep for calibrated display
– Key Features
• Internal preselection extends dynamic range and protects mixer circuits
• Fast digital filtering provides precise narrowband measurements
• Automatic sweep coupling simplifies operation and ensures calibrated traces
• Portable chassis rated to MIL-PRF-28800 Class 3 for field and lab deployment
– Power & Integration
Power Supply
• Option 400 provides internal 50 to 400 Hz power supply capability
Data & Connectivity
• BenchLink software compatibility (e.g., E4444A BenchLink) transfers screen images and trace data to PC
• External mixer input accepts HP 11517A for extended frequency coverage
– Configuration Options
• Option 100: 100 Hz and 300 Hz Resolution Bandwidth
• Option 200: dBµV calibration
• Option 400: Internal 50 to 400 Hz Power Supply
• Option 908: Rack Flange Kit
• Option 910: Extra Operating and Service Manual
• Option 913: Rack Flange Kit for Instruments with Handles
