Rolls Testoscillator MO2020 Manual

Rolls Ikke kategoriseret Testoscillator MO2020

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Side 1/2

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 OUTSINE OUTVCO INPUT

1.2 - 5 VDC

DC INDC

LOOP

12 - 16 VDC

MO2020

TESTOSCILLATOR

SINE/SQUARE WAVE GENERATOR

PAD

-10 dB

NORMAL

SQR LEVELSINE LEVELFREQUENCYOUTPUT

PAD

PWR

MO2020

TESTOSCILLATOR

100

250

500 1K

24K

10K

-OO

+11

-OO

+14

+5 +7

dB dB

INTRODUCTION

Thank you for your purchase of the MO2020 Testoscillator. The MO2020

is designed to provide a sine wave, or square wave via 1/4" unbalanced

jacks, for testing audio devices. The units frequency output varies from

20Hz to 24kHz.

DESCRIPTION

FRONT PANEL

Output Pad: When depressed, the output level is dropped by 10 dB.

Frequency: Varies the frequency generated by the MO2020 from 20Hz to

24kHz. PLEASE NOTE: THE FREQUENCY MARKINGS ON THE

MO2020 ARE APPROXIMATE AND MAY VARY. FOR ACCURATE FRE-

QUENCY SELECTION, USE A RELIABLE FREQUENCY COUNTER.

Sine Level: Controls the output level of the Sine Out jack.

SQR Level: Controls the output level of the SQR (square) Out jack.

REAR PANEL (Labeling for the rear panel is located on the top of the unit)

VCO Input: 1/4" jack for connection to a Voltage Control source which

may vary from 1.2 volts to 5 volts dc. This voltage allows for external

control of the MO2020's frequency. THE FREQUENCY CONTROL MUST

BE SET TO MAXIMUM FOR PROPER OPERATION OF THE VCO

CONTROL.

Sine Out: 1/4" unbalanced jack containing the sine wave signal.

SQR Out: 1/4" unbalanced jack containing the square wave signal.

DC Loop: Paralleled power jack for connection to another MO2020.

DC In: For connection to the included Rolls power supply.

SPECIFICATIONS

Output Level: +11 dB S

+14 dB S

Output Impedance: 100 Ω

THD (Sine): <1%

Size: 4.25" x 3

Power: 12 - 16 V

SCHEMATIC

SQR OUTSINE OUTVCO INPUT

1.2 - 5 VDC

DC INDC

LOOP

12 - 16 VDC

MO2020

TESTOSCILLATOR

SINE/SQUARE WAVE GENERATOR

PAD

-10 dB

NORMAL

SQR LEVELSINE LEVEL

FREQUENCYOUTPUT

PAD

PWR

MO2020

TESTOSCILLATOR

100

250

500 1K

24K

10K

-OO

+11

-OO

+14

+5 +7

dB dB

VCC

S I N E L E V E L

F R E Q U E N C YL O T R I M

1 . 2 - 5 V C O N T R O L

U 1 A

L M 1 3 6 0 0

R 1 9

1 0 0 K

R 1 8

1 0 0 K

U 4 A

L M 1 3 6 0 0

R 1 5

1 0 0 K

R 1 3

1 0 0 K

U 4 B

L M 1 3 6 0 0

4 5 6 0

P 5

P100K

C 2 1

1 U

J 2

P H O N E 1 / 4

S W 1 A

D P D T

R 3 1

1 K

R 2

3 3 0 R 1

3 3 0

R 3

3 0

R 1 0

1 0 K

R 1 1

1 0 K

R 6

3 3 0

R 5

3 3 0 RR8

3 3 0 R 7

3 3 0

R 2 1

3 . 3 K

R 9

3 . 3 K

R 2 0

1 2 K

R 2 2

1 0 K

R 2 7

1 0 0 K

R 2 9

C 3

8 2 0 P F

C 2

8 2 0 P F

C 1

8 2 0 P F

R 2 4 1 0 K

R 2 5 4 . 7 K

C 4 5 0 P F

P 2

W 1 0 0 K C 2 3

4 7 U

C 6

6 8 U F T A N T

R 3 2

3 . 3 K

R 1 2

4 . 7 K

R 1 4

1 0 0 K

U 1 B

L M 1 3 6 0 0

P 3

5 0 K

Produkt Specifikationer

Mærke:	Rolls
Kategori:	Ikke kategoriseret
Model:	Testoscillator MO2020

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