HP / Agilent 11583A Coaxial Attenuators Set

The HP/Agilent 11583A Coaxial Attenuators Set is a precision instrument for controlling and conditioning RF and microwave signal levels across DC to 18 GHz. This four-piece set comprises fixed attenuators of 3 dB, 6 dB, 10 dB, and 20 dB values, each utilizing the Agilent 8492A platform with APC-7 connectors. Calibrated to NIST traceability, the set delivers tight attenuation accuracy and low reflection across the operating bandwidth, making it essential for calibration labs, test facilities, and RF system integration.

## Technical Specifications

• **Frequency Range:** DC to 18 GHz
• **Attenuation Values:** 3 dB, 6 dB, 10 dB, 20 dB
• **Individual Attenuator Model:** Agilent 8492A
• **Connector Type:** APC-7
• **Power Handling:** 2 watts average power per attenuator
• **Attenuation Accuracy:**
– 3 dB: ±0.01 dB (DC–4 GHz), +0.06 dB (4–12 GHz), +0.11 dB (12–18 GHz)
– 6 dB: ±0.01 dB (DC–4 GHz), +0.07 dB (4–12 GHz), +0.11 dB (12–18 GHz)
– 10 dB: ±0.01 dB (DC–4 GHz), +0.07 dB (4–12 GHz), +0.12 dB (12–18 GHz)
– 20 dB: ±0.01 dB (DC–4 GHz), +0.08 dB (4–12 GHz), +0.13 dB (12–18 GHz)
• **Reflection Coefficient:** SWR typically 1.006 to 1.35 (DC–12.4 GHz); 1.006 to 1.86 (12.4–18 GHz)
• **Calibration:** Individual calibration reports with NIST traceability included

## Key Features

• Four matched attenuators enable flexible signal level conditioning and cascading
• Broadband operation from DC through X-band microwave frequencies
• Low SWR maintains impedance integrity in precision measurement chains
• Individual NIST-traceable calibration certificates for metrological confidence

## Typical Applications

• Signal attenuation and gain flattening in test systems
• Impedance matching and reflection coefficient validation
• RF substitution standards for attenuation measurement verification
• Equipment protection through controlled signal level reduction in sensitive receiver chains

## Compatibility & Integration

APC-7 connectors ensure compatibility with laboratory-grade RF/microwave instrumentation and passive components. Walnut accessory case provides secure storage and portable transport.