The Agilent/Keysight 3761A is a specialized error detector engineered for precise measurement of bit errors in high-speed digital communication systems operating up to 150 Mb/s. This instrument identifies and quantifies transmission errors across telecommunications, data networking, and digital electronics applications, delivering critical performance metrics for system validation and troubleshooting.
Technical Specifications
Data Rate & Timing
• Maximum error rate measurement: 150 Mb/s
• Clock input impedance: 50 Ω ±5% DC coupled
• Data input impedance: 50 Ω ±5% DC coupled
• Clock pulse width minimum: 3 ns
• Data pulse width minimum: 3 ns
• Clock amplitude: ±5V maximum
• Data amplitude: ±5V maximum
• Clock manual level range: -3V to +3V
• Data manual level range: -3V to +3V
• Clock auto input sensitivity: better than 500 mV
• Data auto input sensitivity: better than 500 mV
Input Configuration
• Clock input slope: selectable positive or negative
• Data input slope: selectable positive or negative
• Clock source impedance: 50 Ω ±5%
• Data source impedance: 50 Ω ±5%
Power
• Operating voltage: 90–125V or 200–250V AC (rear-panel selectable)
• Frequency: 40 to 400 Hz
– Key Features
• Manual or AUTO triggering with front-panel status indication
• Manual clocking switch in Clock Input Amplifier for servicing
• Deliberate error insertion capability for stress testing
• Error generation modes: single-bit complement, two-bit sequences per 4000 sync pulses, preset 1010 repetitive words, continuous 3–10 bit words with selectable content
• Block insertion of 1–99 zeros into normal word sequences
– Typical Applications
• Digital communication system validation
• Transmission error analysis and characterization
• Data link integrity verification
• System troubleshooting and performance benchmarking
– Compatibility & Integration
Operates as part of the 3760A/3761A 150 Mb/s Error Rate Measuring System. Designed for integration with compatible data generators such as the 3760A. Product status: Discontinued.
