Description
The PRL-470B is a high speed 50 Ω Line Driver/Level Translator with independently variable output Hi and Lo levels. It has TTL- and NECL-compatible inputs. The TTL input has a 50 Ω to ground termination, and the single-ended NECL input has a 50 Ω/-2 V termination.
The TTL and NECL inputs are logically ORed; therefore a Hi level applied
to either input can be used as a gate signal. The PRL-470B is an improved version of the earlier Model
PRL-470A.
The output Hi and Lo levels are independently variable from 0 V to +5 V and 0 V to
-3 V into 50 Ω, respectively, or
0 V to +10 V and 0 V to -6 V into 1 MΩ. The maximum output peak to peak swing is
8 V into 50 Ω, or 16 V into 1 MΩ. The back-terminated 50 Ω output can drive long 50 Ω lines with or without load termination. A Normal/Invert switch provides output logic polarity selection, and an f/2 switch provides square wave output. The 50 Ω TTL input requires less than 1 V for triggering.
The 800 ps rise time output makes the PRL-470B a cost-effective TDR source for testing cables. Typical maximum clock rate is 300 MHz @3.5 V output and 250 MHz @5 V output, well suited for testing logic circuits of different families, amplifiers and many semiconductor devices.
The trigger output generates > 1 V into 50 Ω or > 2 V
into high impedance, and is back-matched with 50 Ω for driving
un-terminated loads. The self-contained 1.3 x 2.9 x 8.1-in module is supplied with a ±8.5 V/+17 V AC/DC adapter.
Multiple PRL-470B modules together with other PRL logic function
modules, such as Clock
Sources, Fanout buffers, Frequency
Dividers,
Programmable Delay Lines, Logic Level
Translators, etc., can be
rack-mounted for systems test applications. Consult factory for more
information.
**All prices are for U.S. orders only. For export orders, please add 15%. Prices subject to change without notice. Please consult factory for additional information at
+1-310-515-5330 or
sales@pulseresearchlab.com**
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