MO2020
TESTOSCILLATOR
Signal Generator
Owners Manual
LIMITED WARRANTY
This product is warranted to the original consumer purchaser to
be free from defects in materials and workmanship under normal installa-
tion, use and service for a period of one (1) year from the date of purchase
as shown on the purchaser’s receipt.
The obligation of Rolls Corporation under this warranty shall be
limited to repair or replacement (at our option), during the warranty period
of any part which proves defective in material or workmanship under
normal installation, use and service, provided the product is returned to
Rolls Corporation, TRANSPORTATION CHARGES PREPAID. Products
returned to us or to an authorized Service Center must be accompanied by
a copy of the purchase receipt. In the absence of such purchase receipt, the
warranty period shall be one (1) year from the date of manufacture.
This warranty shall be invalid if the product is damaged as a
result of defacement, misuse, abuse, neglect, accident, destruction or
alteration of the serial number, improper electrical voltages or currents,
repair, alteration or maintenance by any person or party other than our
own service facility or an authorized Service Center, or any use violative
of instructions furnished by us.
This one-year warranty is in lieu of all expressed warranties,
obligations or liabilities. ANY IMPLIED WARRANTIES, OBLIGA-
TIONS, OR LIABILITIES, INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE, SHALL BE LIMITED IN DURA-
TION TO THE ONE YEAR DURATION OF THIS WRITTEN LIMITED
WARRANTY. Some states do not allow limitations on how long an
implied warranty lasts, so the above limitation may not apply to you.
IN NO EVENT SHALL WE BE LIABLE FOR ANY SPE-
CIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
BREACH OF THIS OR ANY OTHER WARRANTY, EXPRESSED OR
IMPLIED, WHATSOEVER. Some states do not allow the exclusion or
limitation of special, incidental or consequential damages so the above
limitation or exclusion may not apply to you. This warranty gives you
specific legal rights, and you may also have other rights which vary from
state to state. Salt Lake City, Utah
8/99
MO2020 TESTOSCILLATOR
The MO2020 is a signal generator for elec-
tronic testing in the audio frequency range. It
has a 1/4" unbalanced sine wave output, and a
1/4" unbalanced square wave output. For
external control or sweeping of the frequency
range, a 1/4" VCO input is provided to receive
1.2 to 5 volts dc.
• Freququency range from 20Hz to 24kHz
• 1/4" unbalanced Outputs
• Sine and Square wave outputs
• -10 dB pad for referencing
• Power Loop-Through for connection to addi-
tional unit
SQR OUT
SINE OUT
VCO INPUT
1.2 - 5 VDC DC IN
DC
LOOP
12 - 16 VDC
+
-
MO2020
TESTOSCILLATOR
SINE/SQUARE WAVE GENERATOR
PAD
-10 dB
NORMAL
SQR LEVELSINE LEVEL
FREQUENCY
OUTPUT
PAD
PWR
MO2020
TESTOSCILLATOR
20
100
250 500 1K
24K
3K
10K
Hz
-OO
+11
-OO
+14
+5 +7
dB dB
