The Keysight 3588A is a spectrum analyzer for signal characterization across DC to 150 MHz. It delivers noise-floor sensitivity of −145 dBm typical and dynamic range exceeding 70 dB, making it suitable for precision spectral measurements in R&D, design validation, and manufacturing test. The instrument combines selectable resolution bandwidth (0.1 Hz to 1 MHz), variable video bandwidth filtering, and FFT-based analysis with marker peak search and trace operations including max/min hold and arithmetic functions.
– Technical Specifications
• Frequency range: 0 Hz to 150 MHz (display); 10 Hz to 150 MHz (analysis)
• Resolution bandwidth: 0.1 Hz, 0.3 Hz, 1 Hz, 3 Hz, 10 Hz, 30 Hz, 100 Hz, 300 Hz, 1 kHz, 3 kHz, 10 kHz, 30 kHz, 100 kHz, 300 kHz, 1 MHz with variable shape factor
• Video bandwidth: 0.1 Hz to 300 kHz in 1-10 sequence; 1 MHz selectable
• Frequency span: 10 Hz to 150 MHz in 150 discrete steps; zero span capable
• Amplitude display range: −145 dBm to +30 dBm
• Reference level: −70 dBm to +30 dBm
• Amplitude accuracy: ±1 dB typical at 25°C
• Display modes: Logarithmic (10 dB/div in 1 dB steps); linear (0.01 V/div to 1 V/div)
• Sensitivity noise floor: −145 dBm typical at 1 kHz RBW
• Dynamic range: >70 dB typical (1 kHz RBW, 1 kHz VBW)
• Input impedance: 50 Ω nominal
• Maximum input level: +25 dBm (0 dBm below 10 MHz)
• Input connector: Type N female
• Sweep time: 10 ms to 1000 s (auto or manual)
• Sweep modes: Single, continuous, manual
– Key Features
• Built-in switchable pre-amplifier for enhanced sensitivity
• FFT analysis with exponential and linear averaging
• C/N ratio, adjacent channel power, channel power, and TOI measurements
• Phase noise measurement capability
• AM and FM demodulation with selectable bandwidth and audio output
• External trigger input (BNC) for synchronization
– Interfaces
• IEEE 488 GPIB for remote control and data transfer
• Analog video output for external trace display
• External trigger BNC connector
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