Rolls MO2020 Oscillator Manual & Schematic 电路图.pdf

《Rolls MO2020 Oscillator Manual & Schematic 电路图.pdf》由会员分享，可在线阅读，更多相关《Rolls MO2020 Oscillator Manual & Schematic 电路图.pdf（2页珍藏版）》请在收音机爱好者资料库上搜索。

1、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

2、purchasers 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

3、 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 shal

4、l 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

5、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 F

6、OR 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

7、 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 ri

8、ghts, 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 exte

9、rnal 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 INP

10、UT 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 20 100 250 5001K 24K 3K 10K Hz -O O+11-O O+14 +5+7 dBdB RadioFans.CN 收音机爱 好者资料库 INTRODUCTION Thank you for your purchase of

11、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: Var

12、ies 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 outp

13、ut 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 MO2020s frequency. THE FREQUEN

14、CY 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 incl

15、uded Rolls power supply. SPECIFICATIONS Output Level:+11 dB Sine +14 dB Square Output Impedance:100 THD (Sine):1% Size:4.25 x 3.75 x 1.75 Power:12 - 16 Volts DC 50 mA SCHEMATIC SQR OUTSINE OUTVCO INPUT 1.2 - 5 VDC DC INDC LOOP 12 - 16 VDC + - MO2020 TESTOSCILLATOR SINE/SQUARE WAVE GENERATOR PAD -10

16、dB NORMAL SQR LEVELSINE LEVELFREQUENCYOUTPUT PAD PWR MO2020 TESTOSCILLATOR 20 100 250 5001K 24K 3K 10K Hz -O O+11-O O+14 +5+7 dBdB 122-Apr-1999 Document Number: Date:Sheetof Ba ? ? ? ? ? ? ? ? ? ? ? VCC VCC VCC VCC VCC VCC VCC ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

17、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 2 3 1 ? ? ? ? ? ? ? 2 3 1 ? ? ? ? ? ? ? I 1 G 2 O 3 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ! ? ? ? 3 4 8 1 11 5 7 2 ? ? ? ? ? # ? ? ? ? ? ? ? ! ? ? ? ? ? ? ! 3 4 8 1 11 5 7 2 ? ? ? ? ? # ? ? ? ? ? ? ? ? ! ? ? ? ? ? ! 14 13 9 16 6 12 10 15 ? ? $ ?

18、 ? # ? ? 2 3 1 4 ? ? ? ? # ? ? ? # ? ? ! ? ? ? ? ? ! 2 3 1 4 ? ? ? ? ? # ? 6 5 7 8 ? $ ? ? # ? 6 5 7 8 ? ? $ ? ? # ? ? ? ? ? ! ? ? ? ? ? ? ? ? ? ? ! ? ? ? ? ? ? ? ? ? ? ? ? ? ! ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ! 1 2 3 ? %? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

19、? ! ? ? ? ? ? ? ? ? ? ? ? ? ? ! ? ? ? ? ? ! ? # ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ! ? ? ! ? ? ? ? ? ! ? ? ? ? ? ! ? ? ? ? ? ? ? ? ? ? ? ? ! ? ? ? ? ? ? ? # ? ! ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ! ? ? ? ? ? ! ? ? # $ # ? ? ! ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ! ? ? ? ! ? ? ? ? & ? ? % ? ? ? ! ? ? ? ? ? ? # # ? ? ? ? ? ? ? ? ? ? ? ! ? ? ? ? ? ? ! ? ? ? ? ? ? ! 14 13 9 16 6 12 10 15 ? ? $ ? ? # ? ? ? ? ? ! ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ROLLS CORPORATION 5143 South Main Street Salt Lake City, UT 84107 Testoscillator MO2020 SizeRev. 1 RadioFans.CN 收音机爱 好者资料库