PRL-414B PULSE RESEARCH LAB, PRL-414B Datasheet
PRL-414B
Manufacturer Part Number
PRL-414B
Description
Product Description:1:4TTLFanout Line Driver
Manufacturer
PULSE RESEARCH LAB
Datasheet
1.PRL-414B.pdf
(2 pages)
Specifications of PRL-414B
Rohs Compliant
NA
Lead Free Status / RoHS Status
na
APPLICATIONS
FEATURES
PRL-414B 1:4 FANOUT 50 Ω Ω Ω Ω TTL LINE DRIVER
DESCRIPTION
The PRL-414B is a 1:4 fanout 50 Ω TTL Line Driver. It is intended for distribution of high-speed clock and logic signals to
multiple loads via long lines. The 50 Ω back-terminated outputs can drive long lines with or without 50 Ω load terminations.
With 50 Ω load terminations, however, all outputs of the PRL-414B can drive 100 ft of 50 Ω cables at clock rates greater
than 80 MHz. In one important application, the PRL-414B is used for distributing a precision clock signal to a number of test
stations in the lab.
The input resistance of the PRL-414B can be selected to be either 50 Ω or 1 kΩ by a switch. The 1 kΩ-input is desirable
when interfacing with low power circuits. All I/O’s are DC coupled and have BNC connectors.
The PRL-414B is housed in a 1.3 x 2.9 x 2.9-in. extruded aluminum enclosure and is supplied with a ±8.5 V/±1 A AC/DC
Adapter. A maximum of four units can share a single AC/DC adapter using the PRL-730 or PRL-736 voltage distribution
modules. If mounting is desired, a pair of the # 35001420 mounting brackets can accommodate any two PRL modules of the
same length. Please refer to the Accessories Section of the literature for more detail.
A block diagram showing the equivalent input and output circuits of the PRL-414B is shown in Fig. 1.
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TTL/CMOS Clock Distribution
1:4 Fanout Line Driver
High Speed Digital Communications
System Testing
Basic Lab Tool
f max > 100 MHz
Drives 100 ft of cable @ 80 MHz
2ns Typical Output Rise & Fall Times
TTL Compatible 50 Ω or 1 kΩ Input
Four in phase 50 Ω TTL Outputs
BNC I/O Connectors
DC Coupled I/O's
Self-contained 1.3 x 2.9 x 2.9-in. unit
includes an AC/DC Adapter
PRL-414B 1:4 TTL Fanout Line Driver
1234 Francisco Street, Torrance, CA 90502
Tel: 310-515-5330 Fax: 310-515-0068
sales@pulseresearchlab.com
www.pulseresearchlab.com
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PRL-414B Summary of contents
Page 1
... MHz. In one important application, the PRL-414B is used for distributing a precision clock signal to a number of test stations in the lab. The input resistance of the PRL-414B can be selected to be either 50 Ω kΩ switch. The 1 kΩ-input is desirable when interfacing with low power circuits. All I/O’s are DC coupled and have BNC connectors. ...
Page 2
... For sharing a single PRL-760A, ±8.5 V, ±1.4 A AC/DC adapter, the total current should not exceed 1.4 A. (2). f should not exceed 120 MHz; otherwise, damage of the unit MAX due to overheating may result. (3 measured by connecting a second PRL-414B at the end of MAX2 the 100 ft cable. Max UNIT Comments 50.5 Ω ...