N2806A Datasheet, PDF (5/10 Pages) Keysight Technologies – differential pulse generator

05 | Keysight | N2806A Calibration Pulse Generator. The world’s fastest differential pulse generator – Data Sheet
Advanced IC Design and Technology
High performance applications require…
The fastest differential rise and fall times available:
The N2806A uses Keysight’s proprietary Indium Phosphide
technology to achieve a differential amplifier capable of
producing sub-7 ps fall times and sub-9 ps rise times on two
differential RF outputs (10%-90%). Other pulse generators
use inferior technologies that can only produce fast single
ended falling edges.
The performance and flexibility of a differential
amplifier architecture:
The high performance InP differential amplifier in
the N2806A offers critical advantages in performance
and flexibility over popular shock line pulse generators,
including:
– Access 2 differential RF outputs simultaneously
– Output rep rates up to 45 GHz vs 1 MHz for shock line
generators
– Ultra-fast rise AND fall times
– Unlimited step duration
– 0.5V/1.0V selectable output amplitude without need for
multiple remote heads
To demonstrate some of these advantages, the figure at
the right shows the N2806A buffering an 8.2 Gbps PRBS^7
signal. The rise time and rep rate of other pulse generators
is much too slow to buffer this signal.
8.2Gbps PRBS^7 signal measured on Keysight 90000 Q-Series
oscilloscope. Orange is the original signal with 95ps rise time.
Yellow is the signal after being buffered by the N2806A. Notice the
measured sub-8ps rise time and elimination of ISI.
The best output impedance matching available:
Introducing a fast edge into a system can cause a
nightmare of reflections if impedance mismatches exist. For
this reason, the N2806A offers the best output impedance
matching available on a high speed pulse generator.