The Agilent/Keysight 8349B is a broadband microwave power amplifier delivering 2 to 20 GHz signal amplification for test, measurement, and signal generation applications. Designed for communications, radar, and electronic warfare systems, the 8349B provides consistent gain and output power across its operating range with selectable leveled and unleveled output modes.
– Technical Specifications
Frequency Range: 2 to 20 GHz
Gain
• 2.0 to 18.6 GHz: ≥15 dB minimum small signal gain (at –5 dBm input)
• 18.6 to 20.0 GHz: ≥13 dB minimum small signal gain
• Typical: 22 dB
Output Power (at +5 dBm input)
• 2.0 to 18.6 GHz leveled: +19 dBm (80 mW) minimum
• 2.0 to 18.6 GHz unleveled: +20 dBm (100 mW) minimum
• 18.6 to 20.0 GHz leveled: +17 dBm (50 mW) minimum
• 18.6 to 20.0 GHz unleveled: +18 dBm (63 mW) minimum
• 1 dB compression point: +21 dBm nominal
Power Flatness (Leveled): ±1.25 dB
Noise Figure: 8.5 dB typical
Impedance: 50 Ω nominal (input and output)
VSWR
• Input leveled: ≤2.8
• Output leveled: ≤2.5
• Output unleveled: ≤4.8 (2.0–5.0 GHz) to ≤3.2 (11.0–20.0 GHz)
Spectral Purity
• Harmonics: <–20 dBc (2.0–11.0 GHz); 50 dB typical
Pulse Performance: Rise/fall time <10 ns typical; delay <8 ns typical
Maximum Continuous Input: +27 dBm RF
– Key Features
• Dual-mode operation: leveled output for dynamic range enhancement; unleveled for maximum power
• Precision Type-N female connectors (input and output)
• Fast pulse response supporting <10 ns rise/fall times
• High reverse isolation enabling use in bidirectional test setups
• AC power: 100, 120, 220, or 240 VAC, 48–66 Hz
– Physical
• Dimensions: 133 mm (H) × 214 mm (W) × 366 mm (D)
• Weight: 7.3 kg (16 lbs) net
– Typical Applications
• Network analyzer drive and receiver amplification
• Microwave power generation for radar and EW signal sources
• Low-noise preamplification in receiver chains
• High-power signal conditioning across X-, Ku-, and K-band frequencies





















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