The ILX Lightwave LDX-3207B is a precision current source engineered for laser diode applications within the LDX-3220 Series. It delivers user-adjustable output current from 0 to 200 mA with independent current limit control, accommodating the stringent requirements of research, development, and production environments. Three selectable output modes—constant power, constant current, and high bandwidth current—provide operational flexibility for diverse laser control scenarios. Modulation capability via BNC input extends to 100 kHz with 100 mA/V gain, enabling dynamic current control. The instrument combines low-noise output (<0.1 µA RMS) with exceptional stability (±0.01% of setting + 0.1 µA per hour) and current accuracy of ±(0.1% of setting + 1 µA), delivering 1 µA resolution across the full range. Integrated laser protection mechanisms guard against transients and overloads, while audible indicators signal current limit and open circuit conditions. Compliance voltage reaches 5 V.
Technical Specifications
• Output Current: 0–200 mA, user-adjustable
• Current Limit: 0–200 mA, user-adjustable
• Current Resolution: 1 µA
• Current Accuracy: ±(0.1% of setting + 1 µA)
• Output Ripple and Noise: <0.1 µA RMS
• Stability: ±(0.01% of setting + 0.1 µA) per hour
• Compliance Voltage: 5 V
• Modulation Input: BNC connector, DC to 100 kHz, 100 mA/V gain
• Modulation Bandwidth (3 dB): DC to 100 kHz at 50 mA P-P output
• Display: 3-1/2 digit LED
• Dimensions: 4.00 in (H) × 8.00 in (W) × 13.00 in (L)
• Weight: 7.00 lbs
• Input Power: 100–240 VAC, 50/60 Hz (jumper selectable)
– Key Features
• Three output modes: Constant Power, Constant Current, High Bandwidth Current
• Fine/coarse parameter adjustment knob for precision control
• Output connectors: Binding posts, isolated from chassis ground
• Optional GPIB interface for remote control and programming
• Audible alert: 1-second repeating tone at current limit; 3-second tone for open circuit
• Integrated laser diode protection against transients and overloads
– Typical Applications
• Precision laser diode biasing and modulation
• High-stability current sourcing for photonics research
• Dynamic current control in production test environments
– Compatibility & Integration
Part of the ILX Lightwave LDX-3220 Series. Optional GPIB interface enables integration with automated test systems.
