The ILX Lightwave LDX-3207B is a precision laser diode current source and temperature controller engineered to deliver stable, low-noise current for laser diode operation across telecommunications, research, and development environments. This LDX-3220 Series instrument combines user-adjustable current delivery with selectable output modes and integrated laser diode protection to ensure reliable, repeatable performance.
## Technical Specifications
• Output Current Range: 0–200 mA (user adjustable)
• Current Limit Range: 0–200 mA (user adjustable)
• Output Modes: Constant power, constant current, high bandwidth current
• Noise/Ripple: 2 µA rms
• Current Output 24h Stability: <20 ppm FS
• Temperature Coefficient: <50 ppm FS/°C
• Modulation Input: BNC connector, up to 100 kHz
• Modulation Input Gain: 100 mA/Volt
## Key Features
• Three selectable output modes adapt to diverse laser diode control requirements.
• Modulation capability via BNC input supports signal injection at gains of 100 mA/Volt, enabling AM and signal-driven applications.
• Integrated laser diode protection includes clamping current limits under modulated conditions, over-current suppression, and slow-start transient elimination.
• Low output noise at 2 µA rms ensures clean current delivery to sensitive optoelectronic components.
• Exceptional 24-hour current stability (<20 ppm FS) and temperature stability (<50 ppm FS/°C) maintain laser performance across operating windows.
• Optional GPIB/IEEE-488 interface enables remote programming of output current, on/off switching, audible tone control, and high-resolution current and voltage measurement.
## Typical Applications
• Laser diode biasing and modulation in fiber-optic communication systems
• Precision current sourcing for optical research and development
• Temperature-stabilized laser operation in laboratory and field instruments
## Compatibility & Integration
The LDX-3207B integrates within the LDX-3200 Series family, which includes complementary current source models: LDX-3210 (50/100 mA), LDX-3220 (200/500 mA), and LDX-3232 (2 A/4 A). GPIB/IEEE-488 control allows integration into automated test environments and measurement systems requiring programmatic access to all driver functions.
