Tektronix 7CT1N Instruction Manual Download

Page: 1 / 53

Summary of Contents for 7CT1N

Page 1: ......

Page 2: ...d text pagesare typically scanned in black and white at 300 dpi 2 Photo pages are typicallyscanned in gray scalemode at 600dpi 3 Schematic diagram pages are typiwlly scanned in btack and white at 600...

Page 3: ......

Page 4: ...ons Specification Supplementary Information SECTION 2 CIRCUIT DESCRIPTION Block Diagram Description Circuit Description Services Available Test Equipment PerformanceCheckIAdjustment Procedure SECTION...

Page 5: ...Fig 1 1 7CT1N Curve Tracer...

Page 6: ...librated and ready for use upon arrival It can be operated in either a vertical or horizontal plug in compartment in any of the 7000 Series Oscilloscope main frames It is suggested that the plug in be...

Page 7: ...2V Div 5 V Div 20 V Div STEP OFFSET When pulled out the control provides continuously variable off set of the base gate step generator output from at least 5 steps of opposing offset control fully co...

Page 8: ...s for adiode bipolar transistor and field effect transistor FET Applications are given at the end of this section This procedure may also be used as an operational check For a performance check of the...

Page 9: ...tons for a new collector drain supply range and hori zontal deflection factor see Table 1 2 z J J 4 4 d z C A U T I O N r r r r r r r r r Always turn the COLLECTOR DRAIN VOLTS control counterclockwise...

Page 10: ...control clockwise and pull the STEP OFFSET control out Turn the STEP OFFSET control fully clockwise and note that the curves are offset further into the depletion region of the device toward pinch of...

Page 11: ...truc tions to make checks and measurements of a diode once the controls have been set and the diode has been installed as described previously Go No Go Turn the COLLECTORIDRAIN VOLTS control clockwise...

Page 12: ...Switch in Pushbutton out NPN Devices Pushbutton in PNP Devices Pushbutton out Bipolar Transistors Installation Connect the transistor to the device testing General All bipolar transistors can be teste...

Page 13: ...Next measure the vertical distance between two curves in the vicinity of the lc a t which P is specified Offset may be used to position the curves for more convenient 0 D Base Collector D r a n SUPP...

Page 14: ...em itter base breakdown voltage collector open are measured the same as lCEo and BVcEo except that the emitter lead is connected to the C or G terminal the base lead is connected to the E or S termin...

Page 15: ...no go check Pinch off voltage is measured by increasing the gate sourcedepletion voltage using the STEP AMPL switch and the STEPS control until the specified pinch off current is m Common Source Fan I...

Page 16: ...Number of Steps From 0 to at least 10 Step Accuracy Absolute Eighth step within 5 Incremental Within 3 L Zero Step Level Within 0 3 step Ranges Normal and Leakage Accuracy Within 5 0 2 nAIV Horizonta...

Page 17: ...Voltage Mode Maximum Voltage With Aiding Offset 15 times the STEP AMPL switch setting or k13 V whichever is less Base GateStep Generator With Opposing Offset 5 times STEP AMPL switch setting Modes Cur...

Page 18: ...test and a measurement section which measures the ltage hasa triangular waveshape effects of the stimulus The stimulus section consists of the collector drain supply see Fig 2 1 and the base gate step...

Page 19: ...hese resistorsare in the circuit C52 and C53 or C54 are connected between the two outputs of the collectordrain supply rectifier when the 1000 pushbutton is released These capacitors filter the collec...

Page 20: ...e steps is dependent on the amount of current R169 conducts If the voltage steps are applied to the gate of an FET being operated in its enhancement region the steps will be compressed due to the gate...

Page 21: ......

Page 22: ...plete calibration of the 100 k 200 k a 2 MQ and 20 MR all 1 53 watt or 7CTlN Specifications given for the test equipment are the greater minimum necessary for accurate calibration Therefore t some of...

Page 23: ...hbutton out 5 V 2 V Pushbutton out VERTICAL 20 mAlDlV 1000 Pushbutton in STEP AMPL 1 mA STEP Vertical Mode Location of 7CTlN Horizontal Mode A Amplif ier Position Centered Polarity UP Coupling DC Volt...

Page 24: ...10 5 v 2 v VERTICAL 1000 STEP AMPL STEP VERT Centered Fully counterclockwise Pushbutton out Pushbutton out 50 pA1DIV Pushbutton in 1 mA1STEP Fully counterclockwise STEP OFFSET Pull switch in NPN N CH...

Page 25: ...uch cases make measurements from the top right of the display lo00 In In In In In In Out Out Out Out i Remove the resistor connected to the device testing jacks 3 Check Collector Drain Supply a Set th...

Page 26: ...er from its horizontal location and install it in the vertical compart ment not being used by the 7CTlN Install the time base plug in in a horizontal compartment Set the 7CTlN and Oscilloscope System...

Page 27: ...e center horizontal graticule line VoltsIDiv 1 mVIDiv 2 mVIDiv 5 mV Div 10 mV Div 20 mV Div 50 mVIDiv 0 1 VIDiv 0 2 VIDiv 0 5 VIDiv j Set the amplifier voltsldiv switch to 2voltldiv k CHECK FOR Step i...

Page 28: ...ture with the electrical components labeled by circuit number Diagram Symbols Electrical components shown on the diagrams are in the following units unless noted otherwise Capacitors Values one or gre...

Page 29: ...resistor combination Meter Transistor or silicon controlled rectifier Connector movable portion Paper metal cased paper tubular PTM v Var V R paper or plastic tubular molded Resistor fixed or variable...

Page 30: ...e by IN4152 S i l i c o n replaceable by 184152 S i l i c o n r e c t i f i e r bridge 1 5 A S i l i c o n replaceable by IN4152 S i l i c o n replaceable by IN4152 S i l i c o n replaceable by IN4152...

Page 31: ...by 2N222A S i l i c o n PNP replaceable by 2N4249 S i l i c o n NPN replaceable by 2N222A S i l i c o n NPN replaceable by 2N5308 S i l i c o n NPN replaceable by 2N5308 S i l i c o n NPN replaceable...

Page 32: ...0 39 kn 112 W 5 2 2 kn 112 W 5 240 n 112 w 5 4 7 R 1 2 W 10 9 1 kR 114 W 5 2 2 kL 114 W 10 27 1 kR 118 W 112 102 k 118 W 1 1 024 MR 114 W 112 309 kR 118 W 1 430 kR 114 W 5 6 65 kR 118 W 1 54 9 kR 118...

Page 33: ...3 321 0273 00 6 81 kn 118 W 1 10 kR 114 W 5 6 81 kR 118 W 1 4 42 kn 1 8 W 1 250 n Var 10 5 kn 118 W 1 5 49 kR 118 W 1 976 R 112 W 1 50 n Var 976 n 112 w 1 50 R V a r 9 76 kR 118 W 1 500 n Var 100 kn 1...

Page 34: ...0753 00 315 0132 00 315 0273 00 315 0184 00 316 0473 00 315 0154 00 315 0563 00 316 0473 00 316 0222 00 I Furnished as a unit with R120 4 7 2 51 kn 114 W 1 84 5 kR 118 W 1 887 n 112 w 1 2 51 kn 114 W...

Page 35: ...Collector Sweep INTEGRATED CIRCUITS U11 156 0067 00 Operational amplifier replaceable by UA741C U 76 156 0067 00 Operational amplifier replaceable by UA741C U114 156 0067 00 Operational amplifier rep...

Page 36: ...I COLLECTOR DRAIN SUPPLV 1...

Page 37: ...TO MAINFRAME E X T HORlZ OR VERT OUT BLOCK DIAGRAM YAY...

Page 38: ...E2 R6 CR86 F5 0 2 8 H 4 Q228 D l R9 D 2 R7 CR88 G5 0 3 0 G 4 0 2 5 2 D 3 R11 E2 R7 CR96 H 4 0 3 2 G 4 Q262 D 3 R12 D 2 R7 CR97 14 Q70A B 12 Q274 D 3 R21 13 R7 CR105 J4 0 8 2 F 4 0 2 7 6 C3 R22 H 4 R71...

Page 39: ...208 C4 R266 14 R209 14 1 R267 14 R211 54 I R268 14 R212 J4 R271 C1 R214 53 R272 8 1 CKT GRlD NO LOC R104 J4 R105 J5 R107 J4 R108 J4 R109 J5 R l l l J5 R112 54 R114 13 R116 J4 R117 J4 R121 K5 R122 L 4...

Page 40: ...Emitter of 0 4 Junction of R 8 and R 9 Pin 6 of U11 Base of 0 9 2 Junction o f C 9 6 9 and CR97 Pin 1 3 I...

Page 41: ......

Page 42: ...I I I I I NOTES 1 SEE PARTS L I S T FOP SEMICONDUCTOR T Y P E S 2 V S I G N A L ROUND 3 m DENOTES CLOSED C O N T A C T...

Page 43: ...1 1 L I I I NOTES I I 8 SEE Pmrs LIST FOR SEMICONDUCTOR 2 V SIGNAL ROUND I I 30 I I 3 0 DENOTES CLOSED C O N T A C T I I 1 0 9 8 I 1 I I I I 6 I 5 5 A 50 I 7 2 m A OR V STEP AMPL 5150 T Y P E S...

Page 44: ...CURVE TRACER f...

Page 45: ...heod steel single end truss head brass truss head steel wide or width FIGURE 1 EXPLODED Fig Index No 1 1 2 Q SeriallModel No t Description Eff Disc Y 1 2 3 4 5 2 SHIELD electrical side 1 KNOB charcoa...

Page 46: ...ock i n t e r n a l 0 384 I D x 0 50 inch OD 2 RESISTOR variable R20 R265 s e e e l e c t r i c a l l i s t mounting hardware f o r each not included w resistor 1 NUT hex 0 25 32 x 0 312 inch 1 WASHER...

Page 47: ...V S45 SWITCH push PNP PCh S70 FET S75 SPACER switch green COUPLING shaft coupling includes SETSCREW 4 40 x 0 094 inch HSS RESISTOR variable R100 see e l e c t r i c a l l i s t SCREW 4 40 x 0 25 inch...

Page 48: ...inch RING retaining BEARING f rant wlbushing ROLLER detent SPRING f l a t gold SPRING f l a t green SPRING f l a t red BEARING r e a r D R U M ASSEMBLY NUT hex 4 40 x 0 188 inch mounting hardware not...

Page 49: ...REL...

Page 50: ...7CTlN CURVE TRACER...

Page 51: ...STANDARD ACCESSORIES Fig Q Index Tektronix SerialIModel No t No Part No Eff Disc Y 1 2 3 4 5 Description 1 TEST ADAPTER transistor 1 MANUAL instruction not shown 7CTlN CURVE TRACER...

Page 52: ...065012500 Q Tektronix SerialIModel No t Part No Eff Disc y 1 2 3 4 5 Description 065 0125 00 1 CARTON ASSEMBLY carton assembly includes 004 0241 00 2 CASE HALF 004 0242 00 1 END CAP rear 004 0243 00...

Page 53: ...mediately into printed manuals Hence your manual may contain new change information on following pages A single change may affect several sections Sections of the manual are often printed at different...

Search results

Summary of Contents for 7CT1N

Reviews:

Related manuals for 7CT1N

Brands by name

Popular brands

Tektronix 7CT1N, Instruction Manual

Search results

Summary of Contents for 7CT1N

Reviews:

Related manuals for 7CT1N

Brands by name

Popular brands