Agilent/Keysight 3585A
Agilent / Keysight Spectrum Analyzers. Accuracy: ±0% to +0.2% of span setting, Accuracy: ±0.4 dB, Accuracy: ±1 Hz relative to analyzer tuning.
- Model
- HP 3585A
- Calibration
- Available on request
- Price
- $3,250
- RFQ ref
- 3585A
This unit
The Agilent/Keysight 3585A is a synthesized spectrum analyzer engineered for precise baseband signal analysis from 20 Hz to 40.1 MHz. It delivers 80 dB spurious-free dynamic range and amplitude accuracy of ±0.4 dB across a measurement span of -137 dBm to +30 dBm (50/75 Ω input). The instrument combines fine frequency resolution, selectable input impedance, and integrated tracking generator capabilities for demanding applications in voice, picture, and digital information processing.
Technical Specifications
Frequency Coverage & Resolution- Operating range: 20 Hz to 40.1 MHz
- Displayed span: 0 Hz to 40.1 MHz variable with 0.1 Hz resolution
- Span selection: 1, 2, 5 step increments from 10 Hz to 40 MHz
- Frequency accuracy: ±0% to +0.2% of span setting Resolution Bandwidths
- Selectable range: 3 Hz to 30 kHz in 1, 3, 10 sequence
- Minimum: 3 Hz
- Selectivity: 60 dB/3 dB < 11:1 Amplitude Performance
- Measurement range (50/75 Ω): -137 dBm to +30 dBm
- Measurement range (1 MΩ): -31 Vrms to +7.08 Vrms
- Amplitude accuracy: ±0.4 dB
- Dynamic range (spurious-free): 80 dB
- Input attenuation: -25 dBm to +30 dBm manually adjustable in 5 dB steps Input Impedance
- Selectable: 50 Ω, 75 Ω, 1 MΩ
- 1 MΩ input capacitance: <30 pF Tracking Generator
- Output level: 0 dBm to -11 dBm
- Frequency accuracy: ±1 Hz relative to analyzer tuning
- Frequency response: ±0.7 dB
- Output impedance: 50 Ω Display & Control
- 1001 x 1024 digital storage CRT display
- Fully synthesized tuning with phase-continuous local oscillator
- Microprocessor-controlled keyboard entry
- Autoranging input attenuator
- Narrowband frequency counter: 0.1 Hz resolution Interfaces & Power
- HP-IB interface
- 115 V (+11% −25%), 48–440 Hz or 230 V (+11% −18%), 48–66 Hz
- 180 VA, 3 A maximum
- Weight: 39.9 kg
- Dimensions: 229 mm (H) × 426 mm (W) × 635 mm (D)
Key Features
- Phase-continuous local oscillator ensures frequency stability across the baseband range
- Fine 0.1 Hz frequency resolution for narrowband signal characterization
- Dual-channel impedance switching (50/75 Ω) without instrument reconfiguration
- Network analysis capability using amplitude-only tracking generator
- Autoranging input attenuator reduces manual tuning overhead
Typical Applications
- Baseband signal integrity measurement in communications systems
- Audio and video signal analysis
- Digital information processing signal characterization
- Network frequency response measurement
Compatibility & Integration HP-IB interface enables remote instrument control and automated measurement sequences in established test environments.
Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 20 Hz to 40 MHz | Power Range (dBm): '-137 dBm to +30 dBm |
HP 3585A — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the HP 3585A. All calibrations are performed to NIST-traceable standards and ship with a certificate. Turnaround is typically 1–3 business days after receipt.
HP 3585A price
This HP 3585A is listed at $3,250. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
HP 3585A calibration cost
NIST-traceable calibration for the HP 3585A is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Turnaround is 1 to 3 business days after receipt. See full calibration details →
