Tektronix 2445B Technical Manual
Tektronix 2445B Technical Manual

Tektronix 2445B Technical Manual

Analog oscilloscope
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,
INSTRUCTiON MANUAL FOR
Model
Cal Tech :
,
,:.
CALIBRATION PROCEDURE
CALlBRA.TION LAB
DISTRIBUTION WITHIN GIDEP IS AUTHORIZED BY
PEPARTMENT OF THE AIR FORCE,HQ AEROSPACE
GUIDANCE AND METROLOGY CENTER (AFMC) NEWARK
AFB OHIO, LETTER DATED
Distribution Statement· Distribution authorized to U.S. Government agencies and their contractors for
for
official use or
administrative or operational purposes only,
document shall be referred to AGMC/MLEP, Newark AFB OH
, ;
,
TECHNICAL MANUAL
FOR
OSCILLOSCOPE
2445B
(TEKT ONIXj
0
4
CHANGE 2
T.O.
33K3-4-2S90-1
1992
AUGUST
4
1990.
April
Other requests for this
43057-5475.
15 APRIL 1994
30 SEPTEMBER 1995
-

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Summary of Contents for Tektronix 2445B

  • Page 1 • T.O. 33K3-4-2S90-1 TECHNICAL MANUAL CALIBRATION PROCEDURE OSCILLOSCOPE 2445B (TEKT ONIXj CALlBRA.TION LAB INSTRUCTiON MANUAL FOR Model Cal Tech : DISTRIBUTION WITHIN GIDEP IS AUTHORIZED BY PEPARTMENT OF THE AIR FORCE,HQ AEROSPACE GUIDANCE AND METROLOGY CENTER (AFMC) NEWARK 1992 AFB OHIO, LETTER DATED AUGUST Distribution Statement·...
  • Page 2 T.O. 33K3-4-2590-1 INSERT LATEST CHANGED PAGES. DESTROY SUPERSEDED PAGES. LIST OF EFFECTIVE PAGES linll in the lluterJlUl1'!:'i n s of the page, Changea toilluutrationo are indies.ted by miniature pointing handa. Changes to wiring diagramll are indlcated by shoded areas. Dates of issue for original and changed pages are: 1994 Original April...
  • Page 3 T .O . 33K3-4-2590-l OSCILLOSCOPE 2445B (TEKTRONIX) Table 1. (TI) Test Instrument Performance Test Characteristics Method Cal i brato r Range: .4 V p-p into 1 M Q C o mpare d against a stander d vo ltage Accuracy : ±1 %...
  • Page 4 T.O.33K3-4-2590-1 • Table 1 (Cant.) Test Instrument (TI) Performance Test Characteristics Method Sweep Time Range: Checke d with s tan dar d (A&B) A, 10 ns to .5 sec/div Time Mark signals B, 10 ns to 50 msl div Accuracy : A: :t1.5% Accuracy : B: :t1.8% Magnifier: XlO Accuracy : :t2.0%...
  • Page 5 T.O.33K3-4-2590-1 PG506 GENERATOR P/O F5030A1 Accuracy: ±0.25% Minimum Calibration Sub- Noun Item Range: 50 kHz to 250 MHz Tektronix LEVELED SINE SG503 WAVE GENERATOR Accuracy: ±5% P/O F5030A1 Tektronix FEEDTHROUGH Range: 50n TERMINATION 011-0049-01 Accuracy: N/A Available TERMINATION Range: As Necessary...
  • Page 6 T.O. 33K3-4-2590-1 VERTICAL MODE DELTA T DELTA V INDEP TRACKII N DEP AUTO A TRIGGER MODE VERT SOURCE SLOPE TRIGGER COUPLING A&BSECIDIV 1 ms 3.5 Use the Calibration Generator positive going, fast rise, output terminated into 50 Q at TI, set TI and Generator controls as required and check TI high frequency compensation for abnormal overshoot or Manual.
  • Page 7 T . O . 33K3-4-2590-1 4.1.10 The Meter Calibrator output readout must indicate 0.396 to 0.404. 4.1.11 Set the Meter Calibrator to ST DBY and disconnect from TI. 4.1.12 Return TI CH 1 VOLTSI DIV VAR control to the CAL (detent) positio n .
  • Page 8 T.O. 33K3-4-2590-1 4.2.1 Connect the Calibration Generator to T I CH 1 INPUT and switch on DELTA VOLTS. BW LIMIT may be switched on for ease of measurement. of Table 2. 4.2.2 Set TI CH 1 VOLTSIDIV control to the fIrst position listed in the Range col 4.2.3 Set the Calibration Generator AMPLITUDE control to the fIrst position listed in the Applied column of Table 2.
  • Page 9 T.O. 33K3-4-2590-1 • Table 2. (Cont) Range Applied Readout Trigger Level Readout Deflection (Limits) Peak ·Peak .981 to 1. 02 V .9 to 1.1 V + 0.07 to - 0.07 V 1.96 to 2.04 V 1.78 to 2 .22 V + 0.16 to - 0.16 V 4.90 to 5.09 V + 0.35 to - 0.35 V...
  • Page 10 T.O. 33K3-4-2590-1 4.3.3 Connect the Leveled Sine Wave Generator #1 (2.2) OUTPUT through the 50 n Feedthrough Termination to TI CH 1 INPUT. 4.3.4 Set the Leveled Sine Wave Generator frequency controls to 50 kHz . Adjust the Output controls for 6 divisions of vertical display centered on TI CRT.
  • Page 11 T.O. 33K3-4-2590-1 4.3.20 Disconnect the Leveled Sine Wave Generator from TI CH 3 INPUT and connect to TI CH 4 INPUT. 4.3.21 Set TI VERTICAL MODE to display CH 4 only. 4.3.22 Repeat steps 4.3.17 through 4.3.19 using the appropriate CH 4 contTol •.
  • Page 12 T.O. 33 K 3-4-2590-1 4.5.4 Adjust TI hori zontal p osition to align the 2nd marker with the 2nd vertical graticule line. 4.5.5 Adjust the Time Mark Generator VARIABLE (OUT) control and TI horizontal position control for one marker per division over the center eight divisions on the CRT. 4.5.6 The Time Mark Generator readout must indicate within 1.
  • Page 13 T .O . 33K3-4-2 590-1 2 ms 15. 8 6 to 16.14 mB 2 mB 39. 65 to 4 0.35 IDS 10 IDB lOms 7 9.30 to 80.70 IDS 20ms 20ms 158.60 to 1 61.40 Table 3. (Cant.) Limits (readout) 50ms 50ms 396.5 to 403.5 rns...
  • Page 14 T.O. 33K3-4-2590-1 VOLTSIDIV (CH 1) INPUT (CH 1 MODC INPUT (CH 2) 1M GND A&BSECIDIV X-Y (knobs locked) 4.6.2 Connect the Calibration Generator AMPL OUT to the TI CH 1 INPUT connector. 4.6.3 Set the Calibration Generator AMPLITUDE control to .5 V. Adjust the VARIABLE ( O UT) control for 5 divisions of horizontal display centered on TI CRT.
  • Page 15 T.O. 33K3·4-2 590-1 4.7.8 The TI FREQUENCY readout mustmdicate 9.9 5 to 10.05 MHz. 4.7.9 Disconnect the Time Mark Generator fro m TI CH 1 INPUT. 4. 7.10 Set the TI controls as follows: 100mV CH 1 VOLTSIDN A&B SECIDN CH 1 INPUT COUPLING 1 MODC 4.7.11 Connect the Calibration Generator to TI CH 1 INPUT.
  • Page 16 T.O . 33K3-4-2590-1 1.96 2.04 V 1. 78 to 2.22 V +.16 .-16 V 4.90 to 5.09 V 4.50 to 5.50 V +.35 -.35 +0.7 to -0.7 V 9.81 to 10.2 V 9.0 to 11.0 V 19.6 20.4 V 17.8 to 22.2 V +1.6 to -1.
  • Page 17 T .O . 33K3-4-2590-1 1 �s 7.930 to 8.070 �s 2 �s 15.86 to 16.14 /lS 5 �B 39.65 to 40.35 �s 10 �s 79.30 to 80. 70 �B 10/lS 20 fLs 15.86 to 161.4 /lS 50/lS 396.5 to 403.5 /lS CALIBRA TION PER FOR MANCE TABLE (Cont) (A &...
  • Page 18 T.O. 33K3-4 - 2590-1 4.7 PARAMETRIC CALIDRATION: Limits 99.0 to 101 ns TIME .1 Ils 9.95 to 10.05 MHz FREQ .1 JlS 469.5 to 530.5 m V VOLTS .5 V...

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