PRL-480N Dual Channel Programmable NECL Delay Module 

Mini Modular Instruments > Delay Modules > PRL-480N

Applications:

• High Speed Clock De-skewing
• Critical Timing Adjustment
• Sub-nanosecond Pulse Width generation
• An Essential Lab Tool for Working with GHz ECL Circuits

Features:

• 1.2 GHz Maximum Clock Rate
• 2.2 ns Maximum Delay
• 17.5 ps minimum program resolution
• Single-ended or Differential Inputs
• Internal 50 Ω/-2 V Input Terminations also accept Sine wave or AC coupled PECL Signals
• Complementary ECL Outputs drive 50 Ω/-2 V
• DC Coupled I/O’s
• SMA I/O Connectors
• Ready-to-Use 1.3 x 2.9 x 3.9-in. Module including a ±8.5 V/750 mA AC/DC Adapter

Specifications(0° C ≤ TA ≤ 35° C)*

*All measurements are made with outputs terminated into 50 Ω/-2 V, using the PRL-550NQ4X, four-channel ECL Terminators, connected to a 50 Ω input sampling oscilloscope.

Notes:

(1). The output rise and fall times are measured with both the Q and Q outputs terminated into 50 Ω/-2V. An unused complementary output must be either terminated into 50 Ω /-2 V or AC coupled into a 50 Ω load; otherwise, output waveform distortion and rise time degradation will occur. Use the PRL-504 or PRL-508, four and eight channel ECL Termination modules, respectively, for the 50 Ω/-2V termination. Use the PRL-550ND4X and PRL-550NQ4X, two and four channel ECL Terminators, respectively, for the 50 Ω/-2V termination and for connection of ECL signals to 50 Ω input oscilloscopes.

(2). fMAX is measured by AC coupling a sine wave to the D input using the differential input mode (switch up). The differential outputs are first divided by four, using the PRL-255, and then measured using the PRL-550NQ4X, four channel ECL Terminators, connected to a sampling 'scope.