SPPOSC Series
2” X 2”
(Low Distortion) 1 Hz to 102.4 kHz
8 or 9-Bit Frequency Selectable
Oscillators: Dual Channel
& Quadrature
Description
The SPPOSC Series is a compact, dual channel,
phase continuous, DSP based, programmable sine
wave generator with analog outputs and 8 or 9 bits of
frequency selection. All SPPOSC-01 platforms are
small, low profile, easy to use signal generators, which
require no external components and can cover the
audio/ultrasonic bandwidth from 1 Hz to 102.4 kHz in
several standard and custom frequency ranges.
SPPOSC’s use a fixed point DSP with 32-bit math, 24-
bits of resolution and dual channel DACs. Noise floor
and distortion are typically –100dB to 20 kHz and < –
80 dB to 100 kHz.
Features/ Benefits:
•
Available in a single, dual or quadrature (0.1°
phase stability) form factor, SPPOSC oscillators
with up to 512 tuning steps insure design flexibility
in a compact 2” x 2” footprint while minimizing
board space requirements.
•
This plug-in, turnkey signal source, with a
standard or custom algorithm, allows product
designers to incorporate various precision on-
board programmable signal generators in a
standard pin-out and form factor thereby reducing
design time while maximizing design flexibility.
When used in conjunction with the SPPDB-01
development board, SPPOCS signal generators
require minimal set-up time to provide low noise
and distortion signals for laboratory evaluation or
precision field installations.
OSCILLATOR SOFTWARE SELECTION GUIDE
SPPOSC-01 Low Frequency Ranges
•
SWDO-01
Dual Chl. Prog. Osc. 1 Hz - 256 Hz, 1 Hz Steps
SWDO-02
Dual Chl. Prog. Osc. 10 Hz - 2.56 kHz, 10 Hz Steps
SWQO-01
Quadrature Prog. Osc. 1 Hz - 512 Hz, 1 Hz Steps
SWQO-02
SWSO-01
SWSO-02
Quadrature Prog. Osc. 10 Hz - 5.12 kHz, 10 Hz Steps
Same Prog. Dual Chl. Osc. 1 Hz - 512 Hz, 1 Hz Steps
Same Prog. Dual Chl. Osc. 10 Hz - 5.12 kHz, 10 Hz Steps
Applications
•
•
•
Low distortion signal source for ATE systems
Sound and vibration testing
Quadrature signal generator: sine
standard or custom.
/
cosine,
SPPOSC-02 High Frequency Ranges
SWDO-03
SWDO-04
SWDO-05
SWQO-03
SWQO-04
SWSO-03
SWSO-04
Dual Chl. Prog. Osc. 100 Hz - 25.6 kHz,100 Hz Steps
•
Tone generation in speech and hearing analysis,
research, pathology
Dual Chl. Prog. Osc. 200 Hz - 51.2 kHz, 200 Hz Steps
Dual Chl. Prog. Osc. 400 Hz - 102.4 kHz, 400 Hz Steps
Quadrature Prog. Osc. 100 Hz - 51.2 kHz, 100 Hz Steps
Quadrature Prog. Osc. 200 Hz - 102.4 kHz, 200 Hz Steps
Same Prog. Dual Chl. Osc. 100 Hz - 51.2 kHz, 100 Hz Steps
Same Prog. Dual Chl. Osc. 200 Hz - 102.4 kHz, 200 Hz Steps
Frequency
select bus
Example
Quadrature Oscillator
Dual D/A
Converters
Analog
Filters
Digital
Filters
Analog I/O
Program
memory
EE-Prom
Σ
Σ
∆
∆
Sine
Cosine
Digital
Signal
Processor
CUSTOM SW
SWDO-CXX
Custom Frequency Ranges
Custom Dual Chl. Prog. Oscillator
SWQO-CXX
Custom Quadrature Prog. Oscillator
3
wire digital
output bus
SWSO-CXX
Custom Same Prog. Dual Chl. Oscillator
1
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
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