PRL-431P-SMA PULSE RESEARCH LAB, PRL-431P-SMA Datasheet
PRL-431P-SMA
Manufacturer Part Number
PRL-431P-SMA
Description
Product Description:1:2Differential PECLFanout,SMAI/O
Manufacturer
PULSE RESEARCH LAB
Datasheet
1.PRL-431N-SMA.pdf
(2 pages)
Specifications of PRL-431P-SMA
Rohs Compliant
NA
Lead Free Status / RoHS Status
na
DESCRIPTION
The PRL-431N and PRL-431P are, respectively, 1:2 Differential Fan Out NECL and PECL Buffer modules. They are
essential lab tools for applications where it is necessary to drive two different differential loads from a source of single-ended
or differential NECL/PECL signals. They can also be used for converting GHz sine wave signals into differential
NECL/PECL signals.
A switch selects either single-ended or differential inputs, as shown in Figs. 1 and 2. In the differential input mode, both
inputs D and D are terminated internally into 50Ω / V
either one or both inputs can accept AC coupled signals as well. In the single input mode, signal should be connected to the
D input only. The D input is switched internally to V
resistor R
terminated into V
NECL input. A pair of the PRL-431P complementary outputs, however, must be used together for driving differential PECL
inputs only. This is because the reduced output logic swing of 400mVp-p, due to short circuit protection reasons, is not logic
level compatible with single-ended PECL input.
Both models can be supplied with either BNC or SMA I/O connectors. They are each housed in a 1.3 x 2.9 x 2.2-in. extruded
aluminum enclosure and supplied with a ±8.5V AC/DC Adapter.
If mounting is desired, a pair of 35001420 mounting brackets can accommodate two PRL modules of the same length. A
number of PRL modules can also share a single ±8.5V AC/DC adapter using the PRL-730 or PRL-736 voltage distribution
module. Please see the Accessories Section for more detail.
APPLICATIONS
♦
♦
♦
♦
FEATURES
♦
♦
♦
♦
♦
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Fanout Single-ended Input signals into two pairs of Differential
signals for driving long lines
Ideal for receiving signals from long lines
Fanout GHz Sine Wave signals into two pairs of Differential
NECL/PECL signals
An Essential Lab Tool for Working with NECL/PECL Circuits
3GHz Typical f
Single-ended or Differential Inputs
Internal 50Ω/V
Signals
Complementary Outputs drive 50Ω loads terminated to V
coupled or floating 50Ω loads
DC Coupled I/O’s Compatible with ECLinPS or 10KH Devices
SMA or BNC I/O Connectors
Ready-to-Use 1.3 x 2 9 x 2 2-in. Module includes a
±8.5VAC/DC Adapter
T
for the D input is changed to 62 Ω . Complementary outputs of both models are designed for driving 50 Ω loads
PRL-431N/431P 1:2 DIFFERENTIAL FANOUT
TT
, AC coupled or floating 50 Ω loads. Any single output from the PRL-431N can drive a single-ended
TT
MAX
Input Terminations also accept AC coupled
NECL/PECL BUFFERS
TT
BB
, where V
, nominally -1.3V for NECL and +3.7V for PECL, and termination
TT
, AC
TT
is -2V for NECL and +3V for PECL, and, therefore,
PRL –431N NECL Fanout Buffer
1234 Francisco Street, Torrance, CA 90502
Tel: 310-515-5330 Fax: 310-515-0068
Email:
sales@pulseresearchlab.com
www.pulseresearchlab.com
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PRL-431P-SMA Summary of contents
Page 1
... Both models can be supplied with either BNC or SMA I/O connectors. They are each housed in a 1.3 x 2.9 x 2.2-in. extruded aluminum enclosure and supplied with a ±8.5V AC/DC Adapter. If mounting is desired, a pair of 35001420 mounting brackets can accommodate two PRL modules of the same length. A number of PRL modules can also share a single ±8.5V AC/DC adapter using the PRL-730 or PRL-736 voltage distribution module ...
Page 2
... Size Weight Fig. 1 PRL-431N Block Diagram divided by eight using the PRL-255N/255P in cascade, and then the outputs of the PRL-255N/255P are measured using the PRL-550NQ4X/PQ4X, four channel NECL/PECL Terminators, connected to a sampling 'scope. *All measurements are made with outputs terminated into 50 Ω /V NECL/PECL Terminator, connected Ω input sampling oscilloscope. ...