Tektronix 196-3492-00 Solder Tip Accessory Kit for Differential Probes User manual
196-3492-00
r
Solder Tip Accessory Kit for
Differential Probes
Instructions
www.tektronix.com
*P071139000*
071-1390-00
This kit is a new standard accessory for your
differential probe and may not be listed in your
Instruction Manual or Accessory Reorder Sheet.
New kits can also be ordered separately.
Kit Contents
The Solder Tip Accessory kit, Tektronix part
number 196-3492-00, includes 4 pairs of
resistive solder tips and these instructions.
Overview
The Solder Tip Accessory kit allows you to
create a customized, hands-free connection from
your circuit to P6330, P7330 and P7350
differential probes.
The solder tips are small sockets that slip over the
differential probe input pins to make a reliable
electrical connection. The solder tips use
low-insertion force sockets that provide a
break-away feature to protect your probe and
circuitry from damage by excessive forces on the
probe cable.
The solder tips easily connect and disconnect to
the probe head. You can connect several solder
tips throughout your circuit to gain access to
difficult test points quickly and easily.
The contacts inside the solder tips are rated for
10 to 15 insertion cycles with the probe tip. Do
not use the solder tips after exceeding these limits
to avoid unreliable operation.
Using the Accessory Kit
Before you begin soldering accessory
components to your circuit, consider the
following points:
H The solder tips are very small. You may want
to use a magnifying glass and tweezers or
similar tools when you work with the tips.
H Cut the leads as short as possible, and keep
the lengths matched for best signal integrity.
(See Table 1 for typical electrical characteristics.)
H The solder tips cannot support the weight of
the attached probe. Therefore, before you
solder the solder tips to the circuit board,
position the solder tips so that you can secure
the probe to the circuit board to relieve strain
on the solder tips and solder connections.
H To avoid damaging the probe, disconnect the
probe from the solder tips before soldering
components.
H Only use ESD-approved soldering irons and
no-clean flux solder when soldering components to your circuit.
Procedure
Refer to the illustrations as you follow these
steps:
1. Cut the solder tip leads to the lengths shown
in the template on the next page. You can cut
the leads longer, but performance will be
degraded.
(See Table 1).
2. Verify that both solder tips can reach your
test points, and that you can make a good
connection to your probe.
3. Solder the tips to the circuit. If necessary, use
an adhesive, such as quick-set epoxy or hot
glue, to secure the solder tips to the circuit
board. It may be helpful to use tweezers to
hold the solder tips while soldering them to
the circuit.
4. Gently push the probe into the solder tips
until the probe pins are fully inserted into the
sockets. Tweezers are recommended to help
secure the tips to the probe pins and ensure a
solid connection.
5. Secure the probe to the circuit board with
tape or hook-and-loop strips.
Cut leads as sho
as possible and
solder to circuit
Connect probe
to solder tips
t
Figure 1: Solder tips (enlarged to show detail)
Copyright E Tektronix, Inc. All rights reserved
Tape down
probe
Lead Lengths
Dimensions
Cut the lead lengths of the solder tips very short.
(See template below). See Table 1 for typical
electrical characteristics of the adapter using
various lead lengths. Longer lead lengths will
degrade bandwidth and rise time and will
increase overshoot.
0.300
Use Table 1 to help you select the component
configuration that optimizes response for
bandwidth, rise time, or overshoot, based on
your measurement needs.
Cut the solder tip lead lengths
using actual-size template
below. See Table 1 for electrical
characteristics.
0.050 in
Solder tip
0.100 in
Solder tip
Cut Cut
Table 1: Typical electrical characteristics with a 110 ps (10 -90%) input step
0.225
0.055
0.040
WARRANTY SUMMARY
Tektronix warrants that the products that it
manufactures and sells will be free from defects
in materials and workmanship for a period of
three (3) months from the date of shipment from
an authorized Tektronix distributor. If a product
or CRT proves defective within the respective
period, Tektronix will provide repair or
replacement as described in the complete
warranty statement.
To arrange for service or obtain a copy of the
complete warranty statement, please contact your
nearest Tektronix sales and service office.
EXCEPT AS PROVIDED IN THIS
SUMMARY OR THE APPLICABLE
WARRANTY STATEMENT, TEKTRONIX
MAKES NO WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING
WITHOUT LIMITATION THE IMPLIED
WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR
PURPOSE. IN NO EVENT SHALL
TEKTRONIX BE LIABLE FOR INDIRECT,
SPECIAL OR CONSEQUENTIAL
DAMAGES.
P6330 and P7330 Probe P7350 Probe
Probe rise time with 110 ps (10-90%) input step Probe rise time with 110 ps (10-90%) input step
Solder tip lead length
Probe only (reference) ≥3.5 GHz 140 ps 94 ps 5% ≥5GHz 125 ps 86 ps 3%
0.050” ≥3.5 GHz 142 ps 95 ps 12% 4.3 GHz 129 ps 87 ps 10%
0.100” ≥3.5 GHz 141 ps 97 ps 15% 3.7 GHz 129 ps 88 ps 13%
1
Increasing the resistance decreases overshoot. Increasing the lead length inc reases overshoot.
2
Measured using a network analyzer.
3
Using a 110 ps-step source. With a faster source, warranted 10-90% rise times are ≤140 ps for the P6330/P7330, and ≤100 ps for the P7350.
1
Bandwidth
2
10--90 %
3
20--80 %
3
Overshoot Bandwidth
2
10--90 %
3
20--80 %
3
Overshoot
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