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Tektronix P6450, Инструкция по эксплуатации

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Operating Basics

3.

If the retention assembly has minimal play and you cannot see a gap between
the bottom of the assembly and the circuit board surface, then move the probe
with bad data from one logic analyzer probe location to another.

4.

If the problem follows the probe, then the probe is the problem. Visually
inspect the cLGA interface clip on the probe for any damage or missing
c-spring metal contacts.

If there is damage to the interface clip, or if any c-spring metal contacts are
missing, replace the cLGA interface clip. (See page 27,

Replacing the cLGA

Clip

.)

5.

If the problem doesn't follow the probe, it is either the logic analyzer or the
probe connection at its previous location. Move the probe back to the original
location to be certain it was not a connection problem at the logic analyzer end.

6.

Place another probe in the retention assembly of the original probe. If the new
probe acquires data, then the old probe is probably at fault.

10

P6450 High-Density Logic Analyzer Probe Instruction Manual

Содержание P6450

Страница 1: ...provides cable and test lead connections to a test object of electronic measuring and test equipment Warning The servicing instructions are for use by qualified personnel only To avoid personal injur...

Страница 2: ...cations and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektronix Inc D Max is a registered trademark of Tektronix Inc MagniVu is a trademark of Tektronix Inc cLGA...

Страница 3: ...taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and...

Страница 4: ......

Страница 5: ...d 12 Reference 13 Designing an Interface Between the Probes and a Target System 13 Board Design 16 Probe Footprint Dimensions 20 Other Design Considerations 21 Probe Pinout Definition and Channel Assi...

Страница 6: ...e 8 Protecting the probe head 12 Figure 9 P6450 probe dimensions 16 Figure 10 Alternate retention assembly dimensions 17 Figure 11 Keepout area 17 Figure 12 Side by side layout 18 Figure 13 End to end...

Страница 7: ...channel assignments 14 Table 4 Channel assignment for a P6450 single ended logic analyzer probe 23 Table 5 Mechanical and electrical specifications 25 Table 6 Environmental specifications 25 Table 7...

Страница 8: ...electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe...

Страница 9: ...or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Symbols and terms on...

Страница 10: ...rendering first aid and resuscitation is present Disconnect power To avoid electric shock switch off the instrument power then disconnect the power cord from the mains power Use care when servicing wi...

Страница 11: ...life To avoid release of such substances into the environment and to reduce the use of natural resources we encourage you to recycle this product in an appropriate system that will ensure that most o...

Страница 12: ...Compliance Information viii P6450 High Density Logic Analyzer Probe Instruction Manual...

Страница 13: ...TLA Quick Start User Manual High level operational overview Online Help In depth operation and UI help Installation Quick Reference Cards High level installation information Installation Manuals Detai...

Страница 14: ...describes the technology used in the P6450 high density logic analyzer probe Flying Lead Set A lead set designed to attach to a P6450 probe to provide general purpose probing capability See Figure i...

Страница 15: ...Circuit Board ECB Probe The device that connects a module with a target system See Figure ii Figure ii Probe example Probe Head The end of the probe that connects to the target system or probe adapter...

Страница 16: ...Preface xii P6450 High Density Logic Analyzer Probe Instruction Manual...

Страница 17: ...e 1 P6450 High Density probewith D Max probing technology The following list details the capabilities and qualities of the P6450 probe Single ended data inputs cLGA contact eliminates need for built i...

Страница 18: ...CK0 A3 7 0 A2 7 0 Brown A1 A0 CK1 A1 7 0 A0 7 0 Orange D3 D2 QUAL0 D3 7 0 D2 7 0 Blue D1 D0 CK2 D1 7 0 D0 7 0 Yellow C3 C2 CK3 C3 7 0 C2 7 0 White C1 C0 QUAL1 C1 7 0 C0 7 0 Gray E3 E2 QUAL3 E3 7 0 E2...

Страница 19: ...abels 1 Identify the module end of the probe cable See Figure 2 on page 4 2 From the sheet of labels locate the color coded label for the logic analyzer end of the probe cable 3 Attach the matching co...

Страница 20: ...Operating Basics Figure 2 Attaching labels to the P6450 probe 4 P6450 High Density Logic Analyzer Probe Instruction Manual...

Страница 21: ...he optional retaining brackets as shown See Figure 3 The retaining brackets and hardware ship with the logic analyzer Figure 3 Connecting the logic analyzer probe NOTE The probe can be connected to th...

Страница 22: ...rovides a housing around the connector footprint to help stabilize the probe To install the probe retention assembly on the circuit board do the following 1 Locate the correct footprint If you intend...

Страница 23: ...the PCB Bend the other three posts in the same manner See Figure 4 on page 7 7 Solder the anchoring posts to the PCB See Figure 4 on page 7 Figure 4 Installing the probe retention assembly P6450 High...

Страница 24: ...ree cloth as described above Immediately following cleaning or immediately prior to placement of connector to circuit board blow off the board pad array and connector contact array with clean oil free...

Страница 25: ...ost obvious symptom of a problem with the probe installation is seeing incorrect data in the logic analyzer acquisition However the nature of the incorrect data has a very consistent characteristic th...

Страница 26: ...cts If there is damage to the interface clip or if any c spring metal contacts are missing replace the cLGA interface clip See page 27 Replacing the cLGA Clip 5 If the problem doesn t follow the probe...

Страница 27: ...the cables together or to help relieve strain on the probe connections Hang the probe cables so that you relieve the tension on the probes at the retention posts See Figure 7 Figure 7 Proper dressing...

Страница 28: ...e clip it is important to properly store the probe head when the probe is not in use See Figure 8 Gently slide the probe cover over the probe end and store the probe Figure 8 Protecting the probe head...

Страница 29: ...ropriate signals from your design to these inputs ensures that the logic analyzer can acquire data correctly Unused clocks can be used as qualifier signals Depending on the channel width each TLA5000B...

Страница 30: ...ng used ChipSel All of these signals are good candidates for assignment to qualifier channels By logically ANDing the clock with one of these qualifiers you can program the logic analyzer to store onl...

Страница 31: ...e analyzer s channels the remaining channels can be sampled at a 1 GHz rate with double the memory depth By taking care to assign critical signals to the demultiplexing source channels you can obtain...

Страница 32: ...s you design your PCB mechanically and electrically for use with the P6450 probe Probe Dimensions The following figure shows the dimensions for the P6450 probe See Figure 9 Figure 9 P6450 probe dimens...

Страница 33: ...e 10 Alternate retention assembly dimensions The following figure shows the keep out area required for the alternate retention assembly See Figure 11 Figure 11 Keepout area NOTE Tektronix has provided...

Страница 34: ...hows the dimensions for side by side footprint layout See Figure 12 Figure 12 Side by side layout The following figure shows the dimensions for an end to end footprint layout See Figure 13 Figure 13 E...

Страница 35: ...timum signal integrity there should be a continuous uninterrupted ground return plane along the entire signal path Electrical Considerations This section provides information on transmission lines and...

Страница 36: ...ernate retention assembly all dimensions remain the same as shown below except the overall length and width See Figure 10 on page 17 Pad finishes that are supported include immersion gold immersion si...

Страница 37: ...ad causing a stub and more PCB board area to be used for the connection Many new digital designs require you to minimize the electrical effects of the logic analyzer probing that you design into the c...

Страница 38: ...ias See Figure 17 Detail A describes the recommended position of the via with respect to the pad All dimensions are per standard IPC tolerance which is 0 004 in Figure 17 Optional Via in Pad placement...

Страница 39: ...0 single ended logic analyzer probe Number of channels 136 136 or 102 136 or 102 136 or 102 68 68 or 34 Pin Signal Probe4 Probe 3 Probe 2 Probe 1 Probe 2 Probe 1 A1 D0 E2 0 A2 0 A0 0 C2 0 A0 0 C2 0 A2...

Страница 40: ...6 A0 6 C2 6 A0 6 C2 6 B6 D7 E2 7 A2 7 A0 7 C2 7 A0 7 C2 7 B7 GND GND GND GND GND GND GND B8 D8 E3 0 A3 0 A1 0 C3 0 A1 0 C3 0 B9 D9 E3 1 A3 1 A1 1 C3 1 A1 1 C3 1 B10 GND GND GND GND GND GND GND B11 D12...

Страница 41: ...0 mV Input resistance 20 k 1 Input capacitance 0 7 pF Minimum digital signal swing 500 mV p p Maximum nondestructive input signal to probe 15 V Delay from probe tip to module input connector 7 33 ns P...

Страница 42: ...Specifications 26 P6450 High Density Logic Analyzer Probe Instruction Manual...

Страница 43: ...not touch the exposed edge of the interface clip Do not drag the contacts against a hard edge or corner To maintain a reliable electrical contact keep the probes free of dirt dust and contaminants Rem...

Страница 44: ...all channels are functional Figure 19 Replacing the cLGA clip Legacy Probe and Attachment Support Nexus Technology a Tektronix Partner sells accessories that allow you to use the P6450 probe with lega...

Страница 45: ...ping carton Add cushioning material to prevent the probes from moving inside the shipping container Enclose the following information when shipping the probe to a Tektronix Service Center Owner s addr...

Страница 46: ...Maintenance 30 P6450 High Density Logic Analyzer Probe Instruction Manual...

Страница 47: ...eP6450 probe contains only the cLGA clip as a replaceable part If probe failure occurs return the entire probe to your Tektronix service representative for repair Refer to the following list for repla...

Страница 48: ...Tektronix part number Serial no effective Serial no discont d Qty Name description Mfr code Mfr part number P6450 STANDARD ACCESSORIES 20 1 010 0775 10 1 P6450 PROBE INCLUDES SHEET OF LABELS 80009 01...

Страница 49: ...Mfr part number 21 1 196 3494 00 1 FLYING LEADSET 80009 196 3494 00 2 SMG50 2 ADAPTER KIT BAG OF 20 KLIPCHIP ADAPTER 40 TOTAL 80009 SMG50 3 020 2908 00 1 P69xx ALTERNATE RETENTION ASSEMBLY KIT QTY 2 8...

Страница 50: ...Replaceable Parts Figure 21 Optional accessories 34 P6450 High Density Logic Analyzer Probe Instruction Manual...

Страница 51: ...7 repackaging instructions 29 service strategy 27 Mechanical specifications 25 O Ordering parts information 31 P Parts ordering information 31 using the replaceable parts list 31 Probes calibration 27...

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