ML18142A106

Rev a to Acceptance Test Procedure ATP450, BA332-Q2 Buffer Amplifier.

ML18142A106
Person / Time
Site:	Surry, 05000000
Issue date:	05/28/1981
From:	KAMERMAN L VALIDYNE ENGINEERING SALES CORP.
To:
Shared Package
ML18130A405	List: ML18130A403 ML18142A092 ML18142A093 ML18142A094 ML18142A095 ML18142A096 ML18142A097 ML18142A098 ML18142A099 ML18142A100 ML18142A101 ML18142A102 ML18142A103 ML18142A106 ML18142A107 ML18142A108 ML18142A109 ML18142A110 ML18142A111 ML18142A112 ML18142A113 ML18142A114 ML18150A137
References
ATP450, NUDOCS 8411200426
Download: ML18142A106 (16)

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{{#Wiki_filter:(. LTR A m ECO See DCN (--------. 8411200426 841105 PDR ADOCK 05000280 F PDR PROD TEST AlidyNE ENGINEERING CORPORATION REVISIONS DESCRIPTION TITLE ;..._GI_N_EE_R_IN_G_----"~~c-,..:...c:..;... ______ ,1-:.--1--~ NUMBER OUAL CONTROL DATE APPROVED 5/28/81 ~'($ BA332-Q2 Buffer Amplifier ATP450 SHEET 1 DF 13 REV A 8626 WILBUR AVENUE

• NORTHRIDGE.

CA 91324 * (213) 886-8488

• Telex No. 65-1303 VEC 304-11/80

... AlidyNE l!NGINEEIIING COIIP0-'110N 1.0 SCOPE This document defines the Acceptance Test Procedure (ATP) for the BA332-Q2 Buffer Amplifier. The ATP performs functional checks of all operating characteristics. A sample of the Test Report to be used with this ATP is contained in Appendix A. 2.0 EQUIPMENT REQUIRED Table 1 lists the test equipment required to perform the ATP. Table 1. Equipment Required for ATP Part No. Description Manufacturer or Model Alternate MCl (Test) Validyne --None Extender Card (MC1-MC170) Validyne --None BA Test Cable Validyne --None DC Source Validyne TE-124 None Digital Multimeter (DMM) (2). Data Precision 245 Commercial Equivalent Oscilloscope** B & K 1470 Commercial Equivalent Function Generator Exact . 100 Commercial Equivalent Frequency Counter Hewlett Packard 5314A Commercial ' Equivalent

• ' 3.0 PRELIMINARY PROCEDURE 3.1 Plug extender card into front panel connector on MCl. 3.2 Refer to figure 1 and set switches and controls on BA332-Q2 as follows: 3.3 3.4 Switch or Control SPAN (R24) GAIN (S4) FILTER (S2)
• DC/AC (S3) IN/OUT (SlA) -5V/O (SlB) DIFF/SINGLE ENDED (SlC) Setting Full CW n 200 DC OUT -5V DIFF Plug BA3'32-Q2 into extender card cable connector.

Refer to figure 1 for location and visually check that resistors RS and Rl2 are each 1 Megohm, 5%. NUMBER ATP450 SHEET 2 OF 13 REV A en :c m m ..... l,.) c::, "Tl I-' L,.) sum @ IPU @ .---GAIi ll5 11 .~.5 ,-....!L-111111 Ill I~ HI 45 15 <o> DC AC Q +IN 0 -IN 0 DUI um m z: C: 31: m m ::a l,:j ,I::-lJ1 0 ;i:.. ::a m < @ @ NOTE: RSO I SUPPR R24 I SPAN S4 1~ .. Imm S2 ZERO EJ DC/AC-TPl TPJ ONLY ONE BAL POT IS INSTALLED ON THE BOARD, AND IT IS NORMALLY Rl5, SOME UNITS HAY HAVE Rl l INSTALLED INSTEAD OF Rl 5 Figure 1. f 1-----,i* BIFURCATED TERMINAL ( TYP 7 PLACES) ,24 :K1 e-{Hlf~ 499K [ill] e--[1ff1[1]-e cm:]lH Oi[]lM CAL R4 ,~::, I \ IND-5V DIF~ C SINGLE OUT O ENDED ' ---..... ..... ', ~Mt ,n~e l ADJ ', \ 56.2K BA332-Q2 Parts Locations 12.lK * +15V e--oo: *-15V ~BAL. 560K ,----, I R11 I I I I & I L---.J BAL '" C, ;;; '" C, .... z V, '" z "' 0 '" 0. :: :c 8 0 V, 2 I 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 AlidyNE l!NGINl!&fllNG COIIPOflATION 3.5 If necessary, connect MCl to 115 Vac and press MCl power switch; observe that power-on indicator lights. 4.0 INITIAL TEST SETUP 4.1 Connect DMM to BA332-Q2 as shown in figure 2. MCI(TEST) EXTENDER CARD BA332-Q2 SIG GND 24 & JUNCTION U4-6 & Rl9 HI -DMM NOTES: 1. & BOXED CALLOUT 1xxxl INDICATES PANEL OR BOARD MARKINGS SEE FIGURE 1 FOR LOCATIONS Figure 2. Initial Test Setup NOTE: Unless otherwise indicated, all switches, controls, potentiometers, and test points referred to in the ATP procedures that follow are located on the BA332-Q2; see figure 1 for locations. NUMBER ATP450 SHEET 4 OF 13 REV A AlidyNE ENOIN***u-COIIPOIIAT10N 5.0 FUNCTIONAL TESTS Perform all tests and in the order given. 5.1 Null Adjustment 5.1.1 On connector of BA332-Q2 (figure 1), jumper pins 20 and 22 together and connect to signal ground (pin 24). NOTE BAL potentiometer Rll may be installed on some units instead of Rl5. On these units, adjust Rll in step 5.1.2. 5.1.2 Adjust BAL potentiometer Rl5 for 0.000(+/-0~002)V DC output on DMM. 5.1.3 Remove the ground from pins 20 and 22 of connector. 5.2 Common Mode Adjustment 5.2.1 On connector of BA332-Q2 (figure 1), jumper together pins 20 and 22 and connect to de source and DMM as shown in figure 3. 5.2.2 Set polarity switch of de source to plus (+) and output to +10.000(+/-0.005)V 5.2.3 Adjust CM ADJ potentiometer Rl8 for 0.000(+/-0.002)V DC output on DMM. 5.2.4 Set polarity switch of de source to minus (-); output on DMM should be 0.000(+/-0.005)V DC. 5.2.5 Repeat steps 5.2.2 thru 5.2.4, if necessary. 5.2.6 Remove jumper from pins 20 and 22 and disconnect de source and DMM from BA332-Q2. NOTE Any change in the value of RlOl (open circuit to 24.9K range) requires that paragraphs 5.1 and 5.2 be performed. 5.3 Linearity, Symmetry, and Noise 5.3.1 Using the BA test cable, connect de source and DMM to input connector on rear panel of MCl as shown in figure 4. 5.3.2 Connect DMM to OUTPUT A of MCl as*shown in figure 4. 5.3.3 Set output of de source to 0.0000(+/-0.0005)V DC. 5.3.4 Adjust ZERO potentiometer R44 for 0.000(+/-0.002)V DC output on DMM. NUMBER ATP450 SHEET 5 OF 13 REV A HI NOTES: l

• 2. AlidyNE ENOINEEIIING COllll'OIIATlON MCI (TEST) EXTENDER BA332-Q2 ---CARD --ill JUNCTION SIG GND 24 ---? U4-6 -INPUT 22~ & +INPUT 20 R19 ..__ -'--\ \ I \ \ ¥ BLK > 1)HI C) I) RED D !COM! I DC OUTPUT' I HI DMM DC SOURCE DMM NOTES: 1. BOXED CALLOUT lxxxj INDICATES PANEL OR BOARD MARKINGS SEE FIGURE 1 FOR LOCATIONS Figure 3. Common Mode Adjustment Test Setup DC SOURCE I DC OUTPUT! RED BLACK DMM BA TEST CABLE MCI(TEST)

I OUTPUT A I. BLACK RED HI DMM EXTENDER CARD BOXED CALLOUT jxxxl INDICATES PANEL OR BOARD MARKINGS SEE FIGURE l FOR LOCAT~ON Figure 4. Linearity and Symmetry Test Setup NUMBER ATP450 SHEET 6 BA332-Q2 OF 13 REV A AlidyNE l!NGINl!l!IIING COIIPOIIAT10N

5. 3. 5 Set output of de source to +10. 000(+/-0. 002)V*. 5.3.6 Adjust SPAN control R24 for +10.000(+/-0.005)V output on DMM. 5.3.7 Set DMM to read ACmV; the noise indication on the DMM should be less than or equal to 10 mV AC. Indicate acceptance on test report with checkmark.

5.3.8 Perform the steps in table 2 to check linearity and symmetry of BA332-Q2. For steps 1 thru 5, set POLARITY switch of de source to plus (+) and input as indicated; for steps 6 thru 10, set POLARITY switch of de source to minus (-) and input as indicated. Indicate acceptance on test report with checkmark. Table 2. Linearity and Symmetry Check DC Source Output Specification Step Input (VDC) On DMM (VDC) 1 +10.000 + 10. ooo*+/-o. 005 2 + 7.500 + 7.500+/-0.007 3 + 5.000 + 5.000+/-0.007 4 + 2.500 + 2.500+/-0.007 5 + 0.000 0.000+/-0.002 6 --0.000 0.000+/-0.002 7 -2.500 -2.500+/-0.007 8 -5.000 -5.000+/-0.007 9 -7.500 -7.500+/-0.007 10 -10.000 -10.000+/-0.007 5.4 Gain 5.4.1 Set POLARITY switch of de source to plus(+). 5.4.2 Perform the steps in table 3 to check gain of BA332-Q2; for each step, set GAIN switch S4 and input from the de source as indicated. Indicate acceptance on test report with checkmark. Table 3. Gain Check Gain Switch DC Source Output Specification Step S4 Input (VDC) On DMM (VDC) 1 Xl +10.000 +10.000+/-0.005 2 X2.5 + 4.000 +10.000+/-0.300 3 X5 + 2.000 +10.000+/-0.300 4 XlO + 1.000 +10.000+/-0.300 5 X25 + 0.400 +10.000+/-0.300 NUMBER ATP450 SHEET 7 OF 13 REV A AlidyNE l!NGINl!l!IIING COIIPOIIATION 5.4.3 Disconnect BA test cable fr.om MCl. 5.5 Suppression 5.5.1 Set GAIN switch S4 to Xl and IN/OUT switch SlA to IN; on connector of BA332-Q2 (figu~e 1), jumper pins 20 and 22 together and connect to signal ground (pin 24). 5.5.2 Adjust SUPPR CONTROL R50 maximum counterclockwise (CCW); output o~ DMM should be -11.000(+/-1.000)V. Indicate acceptance on test report with checkmark. 5.5.3 Adjust SUPPR CONTROL R50 maximum clockwise (CW); output on DMM should be. +11.000(+/-1.000)V. Indicate acceptance-on test report with checlanark. 5.5.4 Set IN/OUT switch SlA to OUT. 5.5.5 Remove jumper and ground from pins 20 and 22 of connector. 5.6 Single Ended. Input 5.6.1 Set DIFF/SINGLE ENDED switch SlC to SINGLE ENDED. 5.6.2 Reconnect BA test cable to MCl; ensure GAIN switch S4 is set to Xl. 5.6.3 Connect negative terminal (black) of de.source to signal ground (pin 24) on the BA332-Q2 connector; set de source output to 0.0000(+/-0.0002)V. The output on DMM at OUTPUT A of MCl should be 0.000(+/-0.005)V DC. Indicate acceptance on test report with checkmark. 5.6.4 Set output of de source to +10.000(+/-0.00S)V; the output on DMM at OUTPUT A of MCl should be +10.000(+/-0.0lO)V. Indicate acceptance on test report with checlanark. 5.7 Calibration Circuit 5.7.1 Disconnect BA test cable from de source and DMM. 5.7.2 On connector of BA332-Q2 (figure 1), connect pin 28 to signal ground (pin 24). 5.7.3 If resistor R3 (figure 1) is connected to +15V, adjust CAL R4 for +10.000(+/-0.lOO)V output on DMM; if R3 is connected to -15V, adjust R4 for -10.000(+/-0.lOO)V on DMM. 5.7.4 Adjust CAL potentiometer R4 full CCW; the output indication on DMM should be 0.000(+/-0.lOO)V. Indicate acceptance on test report with checlanark.* 5.7.5 Remove ground from pin 28 of connector. NUMBER ATP450 SHEET 8 OF 13 REV A AlidyNE l!NQINIEIEIUNG COlll'OIIATION 5.8 Input Resistance 5.8.1 Press MCl power switch; observe that power-on indicator goes out. 5.8.2 Set DIFF/SINGLE ENDED switch SlC to DIFF; set DMM to read resistance on the 10 Megohm range. 5.8.3 Connect DMM between pin 22 of BA332-Q2 and Ul-5 (figure 1); the DMM indication should be between 0.95 and 1.30 M~gohms. Indicate acceptance on test report with checkmark; disconnect DMM. 5.8.4 Connect DMM between pin 20 and junction of R7 and Ul-12 (figure 1); the DMM indication should be between 0.95 and 1.30 Megohms. Indicate acceptance on test report with checkmark; disconnect DMM. 5.8.5 Press MCl power switch; observe that power-on indicator lights. 5.9 Filter 5.9.1 Connect function generator, frequency counter, and oscilloscope, as shown in figure 5. FUNCTION GENERATOR I OUTPUT I BNC/BANANA PATCH CORD I INPUT I FREQUENCY' COUNTER NOTES: MCl (TEST) 1 .... , 0-UT-P-UT_A_,I BLACK RED mn LilliJ OSCILLOSCOPE EXTENDER CARD 1. BOXED CALLOUT~ INDICATES PANEL OR BOARD MARKINGS Figure 5. Filter Test Setup NUMBER ATP450 BA332-Q2 REV A AlidyNE ENGl-*111-COIIPOIIATION 5.9.2 5.9.3 Set oscilloscope for lV/DIV display, external trigger, and DC coupling. Set BA332-Q2 switches as follows: Switch GAIN (S4) FILTER (S2) DC/AC (S3) IN/OUT (SlA) DIFF/SINGLE ENDED (SlC) 5.9.4 15 Hz Test Setting XlO 15 HZ AC OUT DIFF 5.9.4.1 Set function generator for a 1.5 Hz sinewave output, as indicated on the frequency counter; adjust output for a 7-division display on oscilloscope. 5.9.4.2 Increase function generator output frequency until oscilloscope display decreases to 5 divisions; the frequency counter should indicate 15(+/-2)Hz. Indicate acceptance o~ test report with checkmark~ 5.9.5 45 Hz Test 5.9.5.1 Set FILTER switch sz*to 45 HZ. *5.9.5~2 Increase function generator output frequency until oscilloscope display* decreases to 5 divisions; the frequency counter should indicate 45(+/-7)Hz. Indicate acceptance on test report with checkmark. 5.9.6 100 Hz Test 5.9.6.1 Set FILTER switch S2 to 100 HZ. 5.9.6.2 Increase function generator output frequency until oscilloscope display decreases to 5 divisions; the frequency counter should indicate 100(+/-15)Hz. Indicate acceptance on test report with checkmark. 5.9.7 200 Hz Test 5.9.7.1 Set FILTER switch S2 to 200 HZ. NUMBER ) ATP450 SHEET 10 OF 13 REV A AlidyNE ENGIN ** IIING COIIPOIIATION 5.9.7.2 Increase function generator output frequency until oscilloscope display decreases to 5 divisions; the frequency counter should indicate 200(+/-30)Hz. Indicate acceptance on test report with checkmark. 5.9.7.3 Disconnect oscilloscope and BA test cable from MCl. 5.10 Excitation 5.10.1 Connect DMM COM lead to signal ground (pin 24)'of BA332-Q2 (figure 1); set DMM to read DC. 5.10.2 Using DMM, check that excitation at pin 16 (figure 1) is +5.000(+/-0.400)V; indicate acceptance on test report with checkmark. 5.10.3 Using DMM, check that excitation at pin 18 (figure 1) is -5.000(+/-0.400)V; indicate acceptance on test report with checkmark. 5.10.4 Set -5V/O switch SlB to O. 5.10.5 Connect DMM COM lead to pin 18 and Hi lead to U7-7 (figure 1); the DMM indication should be -5.000(+/-0.400)V. Indicate acceptance on test report with checkmark. 5.10.6 Disconnect DMM from BA332-Q2. 5.11 Current Consumption 5.11.1 Co~ect the DMM l~ads to the MCl +15V current and voltage test jacks (figure 6); set.DMM to read DCmA. 5.11.2 Set the MC! +15V I TEST switch (figure 6) to +15; the DMM indication should not exceed 22 mA. Indicate acceptance on test report with checkmark. 5.11.3 Set the MCl +15V I TEST switch to the unmarked position; disconnect the DMM leads from the MCl. 5.11.4 Connect the DMM leads to the MCl -15V current and voltage test jacks (figure 6). 5.11.5 Set the MCl -15V I TEST switch (figure 6) to -15; the DMM indication should not exceed 22 mA. Indicate acceptance on test report with checkmark. 5.11.6 Set the MCl -15V I TEST switch to the unmarked position; disconnect the DMM leads from the MCl. 5.11.7 Unplug BA332-Q2 from extender card cable connector. NUMBER ATP450 SHEET 11 OF 13 REV A L @ @ . . AlidyNE l!NQINlililllNG COIIPOIIATION TEST * *

• OUTPUT A B @ @ @ +15
• MCl TEST * +lSV VOLTAGE TEST JACK . -lSV VOLTAGE TEST JACK CONNECT DMM COM LEAD TO CURRENT TEST JACK AND HI LEAD TO VOLTAGE TEST JACK Figure 6. MCl (Test) ~15V Current Test Switch and Jack Locations NUMBER ATP450 SHEET 12 OF 13 REV A idyNE l!NGINl!l!IIING COIIPOIIATION APPENDIX A SAMPLE TEST REPORT NUMBER ATP450 SHEET 13 OF 13 o.c:.,,: \A/II CU IC A\/Cf\11 IC* a "1ru:,,auo11"'\r~

"" n4 _,,,A * ,..,,. -,, Qll!"l.t!' t'IAnn -.,.. _ _1 __ a.1 * ,-,. 4 "'""~ REV A BA332-Q2 ASSY Buffer Amplifier S/0 CUSTOMER W/0 SERIAL NO. TESTED BY* DATE Paragraph/Step Accepted Specification 5.3 Linearity and Symmetry 5.3.7 DMM Indication 5.3.8 Table 2 Step Indication On 1 DMM 2 DMM 3 D~ 4 DMM 5 DMM 6 DMM 7 DMM 8 DMM . 9 DMM 10 DMM oc NUMBER ATP450 SlO mV +10.000(+/-0.005)V + 7.500(+/-0.007)V + 5.000(+/-0.007)V + 2.500(+/-0.007)V 0.000(+/-0.002)V 0.000(+/-0.002)V -2.500(+/-0.007)V -5.000(+/-0.007)V -7.500(+/-0.007)V -10. 000 (+/-0. 007)V REV A SHEET 1 OF 3 A idyNE TEST REPORT ENQINl!EIUNQ CORPOIIAT10N BA332-Q2 ASSY Buffer Amplifier S/0 CUSTOMER W/0 SERIAL NO. TESTED BY DATE Paragraph/Step Accepted Specification 5.4 Gain Check 5.4.2 Table 3 Step Indication On 1 DMM +10.000(+/-0.005)V 2 DMM +10.000(+/-0.300)V 3 DMM +10.000(+/-0.300)V 4 DMM +10.000(+/-0.300)V 5 DMM +10.000(+/-0.300)V 5.5 Suppression 5.5.2 DMM Indication -11.000(+/-1.000)V 5.5.3 DMM Indication +11.000(+/-1.000)V 5.6 Single Ended Input 5.6.3 DMM Indication 0.000(+/-0.005)V 5.6.4 DMM Indication +10.000(+/-0.0lO)V 5.7 Calibration Circuit 5.7.4 DMM Indication 0.000(+/-0.lOO)V 5.8 Input Resistance 5.8.3 DMM Indication 0 .95-1.30M NUMBER REV ATP450 A oc SHEET 2 OF 3 A idyNE TEST REPORT ENOINl!EIIINO COAll'OIIATION BA332-Q2 ASSY Buffer Amplifier S/0 W/0 TESTED BY Paragraph/Step 5.8.4 DMM Indication 5.9 Filter 5.9.4.2 Frequency Counter Indication 5.9.5.2 Frequency Counter Indication 5.9.6.2 Frequency Counter Indication 5.9.7.2 Frequency Counter Indication 5.10 Excitation Check 5.10.2 DMM Indication 5.10.3 DMM Indication 5.10.5 DMM Indication 5.11 Current Consumption 5.11.2 DMM Indication 5.11.5 DMM Indication oc CUSTOMER SERIAL NO. DATE Accepted / NUMBER ATP450 SHEET 3 Specification

0. 95-1. 30M 15(+/-2)Hz 45(+/-7)Hz 100(+/-15)Hz 200(+/-30)Hz*

+ 5.000(+/-0.400)V -5.000(+/-0.400)V -5.000(+/-0.400)V 22 mA max. 22 mA max. OF 3 REV A}}