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Summary of Contents for 7a15

Page 1: ...1 E3 rFt UCT1C VAL Serial Nu mber Tektronix Inc Box 500 Beaverton Oregon 97005 Phon e 44 0161 Ca bles Tek tronix 070 1044 00 670...

Page 2: ...s and r eplace n ent parts should be directed to the Tektronix Field Office or representative in your area This procedu re w ill assure you the fastest possible service Please include the instrument T...

Page 3: ...mation 2 4 Basic Applications 2 5 SECTION 7 DIAGRAMS AND MECHANICAL PARTS ILLUSTRATIONS SECTION 3 CIRCUIT DESCRIPTION Introduction 3 1 Block Diagram Description 3 1 Detailed Circuit Description 3 1 SE...

Page 4: ...7 15...

Page 5: ...affecting this section will be found at the rear of the manual The following electrical characteristics are valid over the Capacitance 20 picofarads within 1 5 picofarad stated environmental range for...

Page 6: ...TABLE 1 2 ENVIRONMENTAL CHARACTERISTICS Performance 250 microvolts hour P P or 0 05 division whichever is greater in any one hour after one hour warmup Refer to the Specification for the associated o...

Page 7: ...ve pull the release latch to disengage the 7 15 from GND Disconnects the input signal from the oscilloscope Continue to pull the release latch to re the amp lifier and ground s the am move the u nit f...

Page 8: ...ertical deflection see Fig 2 1 If necessary adjust the front panel GAI N for four d ivisions of vertical deflection 9 Press the ID ENTI F Y button and check that the dis play moves upward about 0 3 di...

Page 9: ...15 TEST SET UP C HART POSITION VAR BA L INPUT imp 20 pF R 7 75 POLAR ITY UP INVERT VAR IABLE CAL IN VOLTS DIV AC GN D DC AMPLIFI ER F ig 2 2 7 15 control setu p ch art Operating Instructions 7A15 2 3...

Page 10: ...nts 2 4 2 Allow about two seconds for the coup ling capacitor to charge 3 Reset the COUPLI NG switch to AC The trace display will remain on the screen and the AC component of the signal can be measure...

Page 11: ...m equipped with the readout feature information such as polarity deflection factor etc is displayed on the CRT When the IDEN TIFY button is pressed the readout information pertaining to the 7 15 is re...

Page 12: ...ish new set of de control is in the CAL IN position Adjust the time base flection factors based upon specific reference am plitude triggering controls for stable display proceed as follows 5 Measure t...

Page 13: ...ersion Factor established in step 2 Adjusted Signal Amplitude Deflection deflection Factor divisions Example Assume reference signal amplitude of 30 volts VOLTS DIV switch setting of 5 V and vertical...

Page 14: ...NOTES...

Page 15: ...L ING switch set to G N D Block Diagram in the Diagrams section represents an indi the input signal is AC coupled through C1 R 1 R2 to ground vid ual circuit within the instrument The nu mber on each...

Page 16: ...ivision Damping resistors R 114 and R214 in the collector circu its of Q112 and Q212 respectively The probe connected to the I NPUT connector forms serve to damp out any ringing or oscillations C1 14...

Page 17: ...ct the trace upward about 0 25 divi IDENTI F Y sion These two actions aid in identifying the 7 15 trace when multip le traces are d isplayed on the C RT When the 2 The base of Q80 wh ich is connected...

Page 18: ...NOTES...

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