The Mini-Circuits ZHL-6A-BNC is a wideband RF amplifier delivering 21–25 dB of gain across 0.0025 MHz to 500 MHz. Housed in a compact S32 case with BNC connectors, this 50 Ω amplifier operates from a single +24 V supply and reaches +22 dBm output at 1 dB compression. It is engineered for HF/VHF communication systems, UHF television, instrumentation, and defense applications where controlled signal amplification and moderate linearity are required.
Technical Specifications
• Frequency Range: 0.0025 MHz to 500 MHz
• Gain: 21 dB to 25 dB (±1.2 dB flatness)
• Output Power (1 dB Compression): +22 dBm
• Output Third Order Intercept (IP3): +34 dBm (typical)
• Noise Figure: 9.5 dB (typical); increases approximately 4 dB from 70 MHz to 10 MHz
• Input VSWR: 1.8:1 (typical)
• Output VSWR: 2.0:1 (typical)
• Impedance: 50 Ω
• DC Supply: +24 V at 350 mA
• Maximum DC Voltage: +24.5 V
• Maximum Input RF Power: +10 dBm (no damage)
– Key Features
• BNC connectors for standard 50 Ω integration
• Compact dimensions: 3.75 × 2.00 × 1.80 inches (95.25 × 50.80 × 45.72 mm)
• Weight: 220 grams
• Operating temperature range: −20 °C to +65 °C
• Storage range: −55 °C to +100 °C
• Single supply operation simplifies integration
– Typical Applications
• HF/VHF communication systems
• UHF television signal processing
• Laboratory measurement and instrumentation
• Test equipment setups
• VHF transmission systems
• Defense and military environments
– Integration Considerations
Transient voltage spikes at the RF output upon power-on may reach approximately 50% of the applied DC supply—downstream equipment should include protective circuitry. Operating into an open load is not recommended; maximum input power must be derated by 20 dB under no-load conditions.
