Agilent / Keysight 8341B Synthesized Sweeper, 10 MHz to 20 GHz

The Agilent/Keysight 8341B Synthesized Sweeper generates precise RF and microwave signals from 10 MHz to 20 GHz. This discontinued instrument combines synthesizer and broadband sweep oscillator functionality, delivering stable frequency control and integrated modulation for RF component testing, system characterization, and EW receiver validation.

– Technical Specifications

Frequency Performance
• Operating range: 10 MHz to 20 GHz
• Frequency resolution: 1 Hz (10 MHz to <7.0 GHz); 2 Hz (7.0 to <13.5 GHz); harmonic multiplication (1 to 3) at n × 1 Hz
• CW switching time: <50 msec typical, <35 ms with fast phase-lock (11 to 22 ms)
• Internal 10 MHz time base with aging rate <1 × 10⁻⁹ per day after 72-hour warm-up
• Temperature coefficient: <1 × 10⁻¹⁰ per °C
• Line voltage coefficient: <1 × 10⁻¹¹ per 10% line change

Output Specifications
• Amplitude range: +10 dBm to −110 dBm (calibrated); maximum +20 dBm
• Output connector: Type N female, 50 Ω impedance
• Phase noise: −116 dBc/Hz at 10 kHz offset
• Non-harmonics: <−65 dBc at 10 GHz
• Spurious signals: <−70 dBc at 10 GHz
• Harmonics: 80 dB; rise/fall times ≤25 ns; internally leveled minimum ≤100 ns; unleveled minimum typically ≤25 ns
• Amplitude modulation: 3 dB bandwidth DC to 100 kHz; depth 0 to 90%; sensitivity 100%/V
• Frequency modulation: modulation rate 50 kHz to 10 MHz; peak deviation to 10 MHz; selectable sensitivity (1 MHz/V or 10 MHz/V)
• Simultaneous pulse, AM, and FM modulation supported

Sweep Operation
• CW or swept modes with analog sweep from 100 Hz sweep frequency

– Key Features

• Synthesized architecture ensures frequency accuracy and repeatability
• Fast frequency switching minimizes test cycle times
• Integrated modulation eliminates external signal conditioning for pulse, AM, and FM
• Low phase noise and spurious performance suitable for sensitive receiver testing
• Stable internal reference enables extended measurement sessions without recalibration

– Typical Applications

• RF and microwave component characterization
• Electronic warfare receiver testing
• System-level frequency response validation
• Broadband signal generation for filter and amplifier measurements