|
New Wave
Instruments currently offers a line of three
PN code generators expressly designed for spread
spectrum development. The LRS-100 is a
convenient 16-stage desktop generator, and the LRS-205 and LRS-220 are
32-stage rack-mount generators with GPIB
capability. All three provide pseudo-random
sequence outputs at baseband, and include both
TTL outputs and AC outputs for directly driving
double-balanced modulators and mixers.
Note: If you
found this page through a search engine, you may
have misspelled "spread spectrum" as
one word (spreadspectrum). To view the most
recent version of this page (with proper
spelling), click
here.
These
generators will complement your lab's RF spectrum
analyzer and signal generator perfectly. Brief
descriptions of the generators are given below,
and a handy Feature
Comparison table is
available. Visit our Download page
to access detailed product literature now, or Contact New
Wave Instruments directly to request hard
copies.
LRS-100
SpreadSpectrum Generator
| Price: |
|
$11,000
(Domestic) |
| Delivery: |
|
From stock
to 30 days |
The
LRS-100 generates PN codes that are
useful for developing and testing both
spreadspectrum (spread spectrum) and
conventional data communication systems.
These sequences are generated with a
configurable 16-stage linear-feedback
shift register.
The
register size, feedback taps, initial
register contents (initial fill), and
length of the linear recursive sequence
(LRS) are all fully programmable.
Different modes of operation include
BPSK, QPSK, OQPSK (SQPSK), GOLD/JPL (R8
max), and Burst Mode for radar
applications, with a maximum shift rate
of 25 MHz.
A
built-in clock and data simulator are
included for the user's convenience, or
external sources can be selected.
External inputs include clock, preset,
start/stop, and data. External outputs
include a buffered clock, I and Q direct
sequences, sequence-repeat (epoch)
strobes, and a parallel interface for
driving a frequency hopper. In addition,
I/O ports are provided for conveniently
connecting a pair of LRS-100s together in
a master/slave configuration for
maintaining synchronization between the
two. This feature is particularly useful
for transmitter/receiver applications.
Return
to Top
|
| |
|
 |
| |
|
|
|
| |
|
|
Configurable
R2 to R16 Pseudonoise Generator |
| |
|
|
Programmable:
Feedback Taps
Sequence Starting
Point
Sequence Length |
| |
|
|
BPSK,
QPSK, and OQPSK (SQPSK)
Modulation |
| |
|
|
R8
Gold, JPL, and Syncopated Codes |
| |
|
|
Burst
Mode for Radar Applications |
| |
|
|
25
MHz Maximum Clock (Shift) Rate |
| |
|
|
1
Hz to 20 MHz Internal Clock |
| |
|
|
Internal
R4 Data Simulator |
| |
|
|
Various
High-Speed TTL I/O for Precision
Control |
| |
|
|
Parallel
Output for Driving a Frequency
Hopper |
| |
|
|
Synchronous
Operation of Two or More LRS-100s |
| |
|
|
|
| |
|
Download
Brochure
Feature
Comparison Table |
|
LRS-205
SpreadSpectrum Generator
| Base Price: |
|
$16,000
(Domestic) |
| Delivery: |
|
From stock
to 30 days |
The
LRS-205 generates PN codes that are
useful for developing and testing both
spreadspectrum (spread spectrum) and
conventional data communication systems.
These sequences are generated with a
configurable 32-stage linear-feedback
shift register.
The
register size, feedback taps, initial
register contents (initial fill), and
length of the linear recursive sequences
(LRS) can all be set manually via a soft
menu on the display, or automatically via
an optional GPIB interface. Different
modes of operation include BPSK, QPSK,
OQPSK (SQPSK), and Burst Mode for radar
applications, with a maximum shift rate
of 25 MHz. Custom configurations are
available upon request.
External
inputs include clock, preset, start/stop,
and data. External outputs include a
buffered clock, I and Q direct sequences,
a sequence-repeat (epoch) strobe, and a
parallel interface for driving a
frequency hopper. In addition, I/O ports
are provided for conveniently connecting
a pair of LRS-205s together in a
master/slave configuration for
maintaining synchronization between the
two. This feature is particularly useful
for transmitter/receiver applications.
Return
to Top
|
| |
|

Rack-mount
keyboard not shown. |
| |
|
|
|
| |
|
|
Configurable
R2 to R32 Pseudonoise Generator |
| |
|
|
Programmable:
Feedback Taps
Sequence Starting
Point
Sequence Length |
| |
|
|
BPSK,
QPSK, and OQPSK (SQPSK)
Modulation |
| |
|
|
Burst
Mode for Radar Applications |
| |
|
|
25
MHz Maximum Clock (Shift) Rate |
| |
|
|
Various
High-Speed TTL I/O for Precision
Control |
| |
|
|
Parallel
Output for Driving a Frequency
Hopper |
| |
|
|
Synchronous
Operation of Two or More LRS-205s |
| |
|
|
Optional
GPIB Interface (IEEE 488.2 and
SCPI Compliant)
|
| |
|
|
Rack-Mount
Chassis |
| |
|
|
Low
Profile Slide-Out Keyboard |
| |
|
|
|
| |
|
Download
Brochure
Feature
Comparison Table |
|
LRS-220
SpreadSpectrum Generator
| Base Price: |
|
$22,000
(Domestic) |
| Delivery: |
|
From stock
to 30 days |
The
LRS-220 includes all the functionality of
the LRS-205, but is equipped with two
sequence generators, thus enabling it to
generate Gold, JPL and syncopated codes.
The
LRS-220 generates PN codes that are
useful for developing and testing both
spreadspectrum (spread spectrum) and
conventional data communication systems.
These sequences are generated with
configurable 32-stage linear-feedback
shift registers.
The
register size, feedback taps, initial
register contents (initial fill), and
length of the linear recursive sequences
(LRS) can all be set manually via a soft
menu on the display, or automatically via
an optional GPIB interface. Different
modes of operation include BPSK, QPSK,
OQPSK (SQPSK), GOLD/JPL, and Burst Mode
for radar applications, with a maximum
shift rate of 25 MHz. Custom
configurations are available upon
request.
External
inputs include clock, preset, start/stop,
and data. External outputs include a
buffered clock, I and Q direct sequences,
sequence-repeat (epoch) strobes, and a
parallel interface for driving a
frequency hopper. In addition, I/O ports
are provided for conveniently connecting
a pair of LRS-220s together in a
master/slave configuration for
maintaining synchronization between the
two. This feature is particularly useful
for transmitter/receiver applications.
Return
to Top
|
| |
|

Rack-mount
keyboard not shown. |
| |
|
|
|
| |
|
|
Two
configurable R2 to R32
Pseudonoise Generators |
| |
|
|
Programmable:
Feedback Taps
Sequence Starting
Point
Sequence Length |
| |
|
|
BPSK,
QPSK, and OQPSK (SQPSK)
Modulation |
| |
|
|
Gold,
JPL, and Syncopated Codes |
| |
|
|
Burst
Mode for Radar Applications |
| |
|
|
25
MHz Maximum Clock (Shift) Rate |
| |
|
|
Various
High-Speed TTL I/O for Precision
Control |
| |
|
|
Parallel
Output for Driving a Frequency
Hopper |
| |
|
|
Synchronous
Operation of Two or More LRS-220s |
| |
|
|
Optional
GPIB Interface (IEEE 488.2 and
SCPI Compliant)
|
| |
|
|
Rack-Mount
Chassis |
| |
|
|
Low
Profile Slide-Out Keyboard |
| |
|
|
|
| |
|
Download
Brochure
Feature
Comparison Table |
|
|