The Agilent E4356A is a telecom DC power supply engineered for demanding telecommunications equipment testing and power applications. It delivers stable, low-noise DC power across dual voltage and current ranges, with integrated measurement capabilities that eliminate the need for external instrumentation. The unit sources and sinks current, enabling rapid voltage transitions during capacitive load testing.
Technical Specifications
Output Ratings
• Dual-range output: 0–70 V at up to 30 A, or 0–80 V at up to 26 A
• Maximum power: 2100 W
• Maximum programmable voltage: 81.9 V
• Maximum programmable current: 30.71 A
• Maximum programmable overvoltage: 96 V
Performance
• Output noise: < 2 mV rms at 80 V; 16 mV peak-to-peak; 25 mA rms current
• Voltage programming accuracy: 0.04% + 80 mV (at 25 °C ±5 °C)
• Current programming accuracy: 0.1% + 25 mA (at 25 °C ±5 °C)
• Load effect (voltage): ±4.6 mV; (current): ±34 mA
• Source effect (voltage): ±4.6 mV
• Remote sensing: voltage drop per lead up to ½ rated output voltage
Acoustic Performance
• Sound pressure: < 70 dB(A) at operator position; fan-speed control reduces noise
Operating Environment
• Temperature range: 0–55 °C (warranted specifications with resistive load and rear terminal sensing)
– Key Features
• Dual-range output for optimized power delivery across voltage and current requirements
• Non-volatile state storage: saves up to 5 configurations for instant recall
• Integrated voltage and current measurement eliminates external test equipment
• Current sinking capability for bidirectional power control
• Low output noise critical for sensitive telecom testing
• Fan-speed control minimizes acoustic noise during operation
– Typical Applications
• Telecommunications infrastructure equipment validation
• DC power delivery to battery-backed systems
• Capacitive load testing requiring fast voltage slew rates
• High-current, mid-voltage power applications
– Compatibility & Integration
• GPIB interface for remote control and automation
• Serial link support enables daisy-chaining up to 16 units under single GPIB address
• Rack-mountable design conserves test floor space
