Tektronix P6563A User manual

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Instructions
P6563A
500 MHz SMD Probe
070–8769–01
First Printing: September 1993

&'.(! *"*(&%!- %  ## (! *) ()(,
"*(&%!- '(&+*) ( &,( .  % &(!% '*%*) !))+ %
'%!% %&($*!&% !% * !) '+#!*!&% )+'() * * !% ## '(,!&+)#.
'+#!)  $*(!# '!!*!&%) % '(!  % '(!,!#) ()(,
(!%* !% *  
"*(&%!- %  &-  !#)&%,!##  
 #!' !' % +(&&* ( (!)*( *($(") &
"*(&%!- %


!            
      "       " 
     "  !   
             
    !    
       "   " ! 
    !   "    
          
          
" !     !  "    
             " 
  !         
"     !  "    
  "  
 "   "  "      " #
         !  
       "     
  "    !    
            
            
           
      "    
         
         
        
        
      
         
        
         
      
         
   

1P6563A Instructions
Getting Started
The P6563A is a miniature, 500 MHz, 20X-attenuating passive probe
that is compatible with the TDS 540. It may also be used with
general purpose oscilloscopes having a 1 Minput impedance with
an input capacitance of 10 pF.
The P6563A is provided with several accessories designed to make
probing and measurement a simpler task. Please take a moment to
familiarize yourself with these accessories and their uses.
Figure 1 shows the probe and identifies various parts that are referred
to in these instructions.
Boot
Metal Sleeve
Probe Head
Probe Compensation Box
BNC Shell,
Locking Ring
Readout Pin
Figure 1: The P6563A Probe
General Safety Summary
Observe Maximum Working Voltage
Do not use the P6563A above 42 VDC.
Do Not Operate in an Explosive Atmosphere
To avoid personal injury or fire hazard, do not operate this product in
an explosive atmosphere.
Do Not Immerse in Liquids
Clean the probe using a damp cloth. Refer to the cleaning instruc-
tions on page 8.

P6563A Instructions 2
Accessories and Operation
Ground Lead
Ground lead with socket — Use the ground
lead to set a ground reference for your measure-
ments. The ground lead socket (0.025 inch) can
be connected to the KlipChipRtest clip, directly
to a square-pin ground on a circuit board, or to
the right-angle square pin adapter.
To attach the ground lead with socket to the
probe, gently slide the probe boot back to expose
the metal sleeve. Then, slide the ground lead’s
metal ring over the probe tip onto the probe’s
metal sleeve. Push the boot back over the metal
sleeve and the metal ring. Align the boot slot to fit
over the contact of the ground lead.
Push-In
Probe Tip
Push-in probe tip — Use the push-in probe tip
when you are probing circuits by hand. The tip
presses into the socket in the probe head.
To attach the push-in probe tip, seat the tip into
the probe head and push the tip in until it is
seated; do not force the tip. To remove the tip,
gently grab the tip with small pliers and pull the tip
out.
KlipChip
Ground Lead KlipChip — Use a KlipChip test clip to access
fragile, dense circuitry. To connect a KlipChip,
insert the probe socket into its body.
You can connect a second KlipChip to the ground
lead with socket. To attach the ground lead, insert
the ground lead socket into the KlipChip body.
The KlipChip body freely turns, allowing better
probe orientation. To reduce stress and provide a
lower profile on components being tested, the
flexible sleeve of the KlipChip bends up to a 35
degree angle.

Accessories and Operation
3P6563A Instructions
Right Angle
Adapter
Right-angleadapter — Use the right-angle
adapter to probe boards with 0.025-inch diameter
square pins; for example, on micro-computer and
communications backplanes.
Signal-Ground
Lead
Signal-Groundlead — Use the signal-ground
lead to substantially reduce ground lead
inductance. Because the ground lead simply
touches the ground reference (instead of clipping
onto it), you can easily move the probe to different
points on the device under test.
Signal-Ground
Lead Ring To attach the signal-ground lead, gently slide the
boot back to expose the probe’s metal sleeve.
Slide the metal ring of the signal-ground lead over
the probe tip onto the probe’s metal sleeve. Push
the boot back up to cover both the metal sleeve
and metal ring.
SureFootR— The SureFoot tip is an integral
probe tip and miniature guide that enables
fault-free probing of fine-pitch SMD packages.
The .025 SureFoot tip is designed to be
compatible with JEDEC 25 mil packages.
Short Ground blade — Use the short ground
blade with the SureFoot tip for probing ease and
improved signal fidelity. To use it, form a ground
plane of copper clad on the top of the IC to be
probed. Attach short jumper wires from the
device ground to the copper clad. With the
SureFoot tip installed, rest the short ground blade
on the ground plane while probing the IC.
Installing SureFoot — Install the short ground
blade using the same method as the signal-
ground lead. The SureFoot tip is pressed into the
probe head in place of the standard push–in tip.

Accessories and Operation
P6563A Instructions 4
Readout Pin Readout Pin — The BNC connector on the
probe compensation box includes a spring-loaded
pin that connects to a mating contact ring on
certain oscilloscopes. These oscilloscopes
recognize the attenuation factor of the probe and
automatically correctthe oscilloscopeindicationof
scale factor.
You can see if your oscilloscope supports this
feature by watching the oscilloscope vertical scale
factor readout when attaching the probe. If the
displayed scale changes by a factor of 20—for
instance, from 10 mV to 200 mV—your oscillo-
scope supports this feature.
Adjustment tool — Use the insulated adjust-
ment tool to adjust the low- and high-frequency
adjustments in the probe compensation box.
Signal-Ground Lead
4IGround Lead
4IGround Lead with KlipChip Ground Lead Length — To maintain the best
signal quality, use the shortest possible ground
lead and signal input path.

5P6563A Instructions
Maintenance
Low-Frequency Probe Compensation
Probe low-frequency (LF) compensation may need adjustment after
moving the probe from one oscilloscope to another. Check the
low-frequency compensation before making critical rise time or
amplitude measurements.
1. Connect the P6563A to the oscilloscope.
2. Remove all accessories from the P6563A probe and attach the
push-in probe tip. Make sure the boot covers the probe’s metal
sleeve.
3. Connect the probe tip to a calibration signal. Most oscilloscopes
have a front-panel test point for this purpose; if yours does not,
use a signal generator that produces a well-formed square wave at
approximately 1 kHz.
4. Adjust the oscilloscope so that it displays two to five cycles.
5. Using the adjustment tool, adjust LF in the probe until you see a
flat-top square wave on the display. See figure 2.
1 kHz
LF
Figure 2: P6563A Low-Frequency Adjustment

Maintenance
P6563A Instructions 6
High-Frequency Probe Compensation
The probe high-frequency compensation should seldom require
adjustment; however, your probe may require high-frequency
adjustment if any of the following are true:
Hthe probe has high-frequency aberrations
Hthe probe doesn’t perform at the rated bandwidth
Hthe oscilloscope input capacitance is near the limits of the probe
compensation range in Table 1.
To perform the high-frequency compensation adjustment you will
need a signal source that has all of the following characteristics (see
figure 3):
Ha square-wave output at 1 MHz
Ha fast rise output with rise time less than 1 ns
1 MHZ
tr<1 ns
90%
10%
>1 vpp
Figure 3: High-Frequency Compensation Signal
The Tektronix PG506A Calibration Generator meets these require-
ments when properly terminated.

Maintenance
7P6563A Instructions
1. Remove the top plastic cover from the compensation box. (To
remove the cover, gently insert a tool, such as a small flat-blade
screwdriver, under one side of the cover and carefully pry up and
out.)
2. Connect the P6563A to the oscilloscope.
3. On the calibration generator, change the pulse period to 1 s
(1 MHz).
4. Connect the probe tip to the calibration signal. If you are using a
PG 506A, first connect a feed-through termination to the fast-rise
output, then connect the probe tip to the feed-through termina-
tion. The signal-ground clip can be used for the ground
connection.
5. Adjust the oscilloscope to view the first 20 ns of the waveform.
See figure 4.
6. Alternately adjust HF1 and HF2 for overall flatness. (These
adjustments interact.)
7. Adjust HF3 for the squarest waveform.

Maintenance
P6563A Instructions 8
(a) Area Of Waveform Affected By Adjustments
(b) Location of Adjustments
HF1
HF3
HF2
LF
HF1
HF3 HF2
15 ns10 ns5ns
Figure 4: P6563A High-Frequency Compensation
Cleaning
To prevent damage to probe materials, avoid using chemicals that
contain benzene, toluene, xylene, acetone, or similar solvents.
Remove loose dust from the probe exterior using a soft cloth or small
brush. Remaining dirt may be removed with a soft cloth dampened
with a mild detergent and water solution or isopropyl alcohol. Do not
immerse the probe in liquids or use abrasive cleaners.

Maintenance
9P6563A Instructions
Replacing the Probe Cable
Use the following procedure to disassemble the probe to replace the
cable assembly. Refer to Figure 5.
1. Using a small flat-blade screwdriver, remove the top and bottom
plastic covers on the compensation box. (To remove a cover,
insert the tool into the side of the box, under the cover edge; pry
gently upward and outward.)
2. Using an adjustable or 1/2” (13 mm) wrench, loosen the
compensation box cable retaining nut and slide it back.
3. Lightly grasp the cable strain relief and pull the cable out of the
compensation box.
4. Slide the cable retaining nut off of the old cable and onto the new
one.
5. Push the new cable connector into the compensation box and
press it into place.
6. Using the wrench, gently tighten the cable retaining nut into
place until it is snug.
Cable Retaining Nut
BNC Shell,
Locking Ring
Metal Compensation Box
Cable Assembly
Figure 5: Probe Disassembly

P6563A Instructions 10
Specifications
Table 1: Electrical Characteristics
System bandwidth (–3 dB) 500 MHz
Attenuation (system) 20X
Rise time (system) 800 ps (typical)
Input resistance (system) 9.47 Mat DC
(See Figure 6)
Input capacitance 4.7 pF (typical)
Compensation range 7 pF to 30 pF (typical)
Maximum nondestructive input voltage 42 V (See Figure 7)
Uniform Signal Delay ±100 ps
Table 2: Mechanical and Environmental Characteristics
Net Weight
(including accessories) <113 g (4.0 oz)
Probe Cable Length 1.3 m (approximately 4.27 ft.)
Temperature Range
Operating 0°C to +50°C
(+32°F to +122°F)
Nonoperating –55°C to +75°C
(–67°F to +167°F)
Humidity
Operating
Nonoperating
90% relative humidity
<50°C
<60°C

Specifications
11 P6563A Instructions
10 M
100 k
1M
10 k
1k
100
10
0°
–10°
–20°
–30°
–40°
–50°
–60°
–70°
–80°
–90°
100 Hz 1 kHz 10 kHz 100 kHz 1 MHz 10 MHz 100 MHz 1 GHz
Figure 6: Typical Input Impedance / Phase
50V
40V
30V
20V
10V
0100 Hz 1 kHz 10 kHz 100 kHz 1 MHz 10 MHz 100 MHz 1 GHz
Figure 7: Derating Curve for Determining Maximum Input Voltage (DC + Peak AC)

P6563A Instructions 12
Replaceable Parts
1
2
3
4
56789
Figure 8: P6563A Replaceable Parts

Replaceable Parts
P6563AInstructions13
Fig. &
Index
No.
Tektronix
Part No.
Serial No.
Effective Dscont Qty 12345 Name & Descri tion
Mfr.
Code Mfr. Part No.
8– ––––––––––– 1 P6563A,SMD PROBE:500 MHZ 20X
–1 206–0459–00 1 PROBE HEAD ASSY:WITH CABLE 80009 206045900
020–1993–00 1
STANDARD ACCESSORIES ACCESSORY KIT: 80009 020199300
–2 ––––––––––– 1 .SCREWDRIVER:ADJUSTMENTTOOL,METAL TIP –3 ––––––––––– 2 .TIP,PROBE:MICROCKTTEST,0.05 CTR –4 ––––––––––– 1 .LEAD,ELECTRICAL:28 AWG,4.0 L –5 ––––––––––– 1 .CONTACT,ELEC:SIGNAL–GROUNDLEAD;FEMALE,
.STR,0.095 ID X 215 L
–6 ––––––––––– 9349 1 .CONN,CONTACT:SLDR,SIGNAL–GNDLEAD –7 ––––––––––– 1 .ADAPTER,PROBE:0.025HOUSING –8 ––––––––––– 2 .PROBE,TIP:0.260 L,DUALTIP,0.120L –9 ––––––––––– 2 .SPRING,ADAPTER:RIGHT ANGLE,0.025SQ PIN
070–8769–01 1 MANUAL,TECH:USER,P6563A 80009 070876901