The Hewlett Packard HP 8751A Network Analyzer System with Option 001 is a precision instrument for characterizing passive and active electronic networks, components, and devices across the 5 Hz to 500 MHz frequency range. Built for laboratory and production testing environments, this analyzer delivers high-resolution measurements of linear network behavior with dual-channel capability for simultaneous multi-trace display and independent stimulus control.
Technical Specifications
Frequency Performance
• Frequency range: 5 Hz to 500 MHz
• Frequency resolution: 1 mHz
• Frequency accuracy: ±1.0 ppm (with Option 001)
• Frequency stability: ±2.5 × 10⁻⁹ / 8 hours typical at 23 ±5° C
Measurement Accuracy
• Dynamic accuracy: ±0.05 dB, ±0.3° (input levels −10 to −60 dBm, 20 Hz IF bandwidth)
• Measurement resolution: 0.001 Hz, 0.001 dB, 0.001 degree, 10 ps
Source
• Output power range: −50 dBm to +15 dBm
• Output power resolution: 0.1 dB
• Output power flatness: ±2.0 dB across 5 Hz to 500 MHz at +0 dBm
• Level accuracy: ±0.5 dB at 50 MHz, 0 dBm
• Output impedance: 50 Ω
Receiver
• Input range: 0 dBm (20 dB ATT) to −20 dBm (0 dB ATT)
• IF bandwidth options: 2 Hz, 20 Hz, 200 Hz, 2 kHz, 4 kHz
• Noise level: −130 dBm at 20 Hz IF bandwidth, 0 dB ATT, ≥100 kHz
• Maximum input level: 0 dBm
• Input impedance: 50 Ω
• Crosstalk: < −100 dB
– Key Features
• Dual-channel architecture with up to four simultaneous trace display and independent stimulus control per channel
• Transfer function measurements: magnitude/phase, insertion loss/gain, attenuation, S-parameters, electrical length, group delay, deviation from linear phase
• Impedance analysis: magnitude/phase, R+jX, return loss
• Full 1-port, 2-port, and interpolative calibration methods
• Time-domain response analysis capability
• List sweep functionality with user-defined frequencies, power levels, IF bandwidths, and point density
• Auto sweep time adjustment based on IF bandwidth, point count, averaging mode, and frequency range
• Conjugate matching analysis for L-C network optimization
• Spectrum analysis and complex impedance measurement support
– Typical Applications
Component characterization, filter and amplifier evaluation, impedance matching, transmission line analysis, gain compression measurement, and network parameter extraction for both passive and active devices.
– Connectivity
HP-IB programmable interface for remote control and automated test sequences.
