Mini-circuits ZHL-1042J

The Mini-Circuits ZHL-1042J is a wideband linear amplifier engineered for RF, IF, and microwave signal amplification across 10 MHz to 4200 MHz. This connectorized amplifier delivers 27 dB typical gain with ±1.2 dB flatness, +22 dBm typical output power at 1 dB compression, and +35 dBm typical IP3—making it suitable for demanding communication and laboratory systems requiring high linearity and low noise performance.

– Technical Specifications

Frequency Range: 10 MHz to 4200 MHz

Gain: 24 dB (min), 27 dB (typ), 32 dB (max)

Gain Flatness: ±1.2 dB (typ), ±1.7 dB (max)

Output Power at 1 dB Compression: +20 dBm (min), +22 dBm (typ)

Output Power at 3 dB Compression: +21 dBm (min), +23 dBm (typ)

Noise Figure: 6.0 dB (typ)

Output IP3: +35 dBm (typ)

Input VSWR: 2.5:1 (max)

Output VSWR: 2.5:1 (max)

DC Supply: 15 V @ 0.330 A

Input RF Power (No Damage): +10 dBm

Operating Temperature: −20 °C to +65 °C

Storage Temperature: −55 °C to +100 °C

– Key Features

• SMA female connectors with 50 Ω impedance for standard coaxial integration
• Compact NN92 case style; weight approximately 362 g without heatsink
• Requires external heatsink with thermal resistance ≤2.2 °C/W to maintain baseplate temperature ≤+65 °C
• Input power de-rating of 20 dB required under open load conditions
• Maximum DC voltage rating: +20 V

– Typical Applications

• Communication systems
• Laboratory measurement and testing

– Compatibility & Integration

The ZHL-1042J integrates with standard 50 Ω coaxial systems via SMA connectors. Requires 15 V DC supply at 0.330 A. User-supplied heatsink mandatory for thermal management within specified operating range.