The Keysight 3585A Spectrum Analyzer is designed for precise signal analysis in the frequency domain. With a frequency range spanning from 20 Hz to 40 MHz, it offers comprehensive signal characterization, including amplitude, frequency, and distortion measurements. Its synthesized local oscillator ensures high frequency accuracy and stability. The instrument features a wide dynamic range and high sensitivity, enabling the detection of low-level signals. The 3585A is equipped with various markers and trace functions to facilitate detailed signal analysis. Its user-friendly interface and comprehensive feature set make it suitable for applications in research, development, and manufacturing.

Keysight / Agilent / HP 3585A Spectrum Analyzer
The Keysight 3585A is a high-performance spectrum analyzer offering a frequency range of 20 Hz to 40 MHz. It features a synthesized local oscillator for excellent frequency accuracy and stability, along with high sensitivity and a wide dynamic range, making it suitable for analyzing various signals in research, development, and manufacturing environments. The analyzer provides versatile measurement capabilities, including signal monitoring, distortion analysis, and frequency response testing.
Product Condition & Availability
Keysight / Agilent / HP 3585A Spectrum Analyzer is in excellent working condition and has been thoroughly tested for performance and reliability. We offer both new and professionally refurbished options, depending on availability and customer preference.
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Integrated Solutions & Deployment Support
Beyond individual products, Aumictech provides end-to-end solutions for manufacturing line deployment and test station setup. Our team can assist with system integration, configuration, and equipment selection tailored to your production requirements.
Trusted Industry Experience
With over a decade of experience, Aumictech is a recognized leader in RF and optical test equipment sales and services. All units are supported by our in-house calibration and repair facility based in Downingtown, PA, ensuring technical reliability and long-term value.
Customer Commitment
We’re committed to exceptional customer service, offering a 15-day return or replacement (ROR) policy for peace of mind. Our team is always available to assist with pre- and post-sale support.
Fast Shipping & Flexible Payments
We offer rapid global shipping through FedEx, UPS, and DHL, with most orders dispatched within 1–3 business days. Multiple secure payment options are available, including PayPal, ACH, wire transfers, and major credit cards.
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