Connectors: Difference between revisions

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Tektronix equipment makes use of a wide variety of connectors. 
Tektronix equipment makes use of a wide variety of connectors, most of which follow established standards, but occasionally,
Most of the connectors were standard parts when the instruments were designed.
custom connectors were designed.  This page presents a partial overview of connectors used in Tektronix equipment.
Occasionally custom connectors were designed.  What follows is a partial list of connectors
used in Tektronix equipment.


==BNC==
For details, please see the pages linked from the headings.
BNC is the most common connector for measurement equipment up to 1GHz.
__TOC__
It was patented in 1951 by Hazeltine Research, Inc.
==Coaxial connectors==
It is available in different impedances.  50-ohm is the most common.
Tektronix gear transitioned from [[Connectors#UHF|UHF connectors]] to BNC connectors in
the early to mid-1960's. For some pieces of equipment, a conversion kit was
available. 


* [http://w140.com/us_patent_2540012_bnc_connector.pdf BNC Connector Patent (PDF)]
{| class="wikitable"
|-
!colspan="2" | [[BNC connector]]
!colspan="2" | [[Tekprobe BNC connector]]
|-
| [[File:Bnc female.jpg|150px|thumb|BNC Female]]
| [[File:Bnc male.jpg|150px|thumb|BNC Male]]
| [[File:Tekprobe_connector.jpg|150px|thumb|Tekprobe connector (socket)]]
| [[File:Tekprobe_2_interface.png|150px|thumb|Tekprobe-BNC interface]]
|-
!colspan="2" | [[SMA connector]]
!colspan="2" | [[SMB connector]]
|-
| [[File:Sma male.jpg|150px|thumb|SMA Male]]
| [[File:Sma female.jpg|150px|thumb|SMA Female]]
| [[File:Smb on 4s1 sampler.jpg|150px|thumb|SMB Connector as Strobe Input to [[4S1]] Sampler]]
| [[File:Smb in tek 284.JPG|150px|thumb|SMB Connector as Tripper Pulse Input to [[284]] Tunnel Diode]]
|-
!colspan="2" | [[3.5 mm connector]]
!colspan="2" | [[2.92 mm connector]]
|-
| ''3.5 mm female image needed''
| [[File:3r5male.jpg  | 150px | thumb | 3.5 mm male]]
| [[File:2r92fem.jpg  | 150px | thumb | 2.92 mm female]]
| [[File:2r92male.jpg | 150px | thumb | 2.92 mm male]]
|-
!colspan="2" | [[UHF connector]]
!colspan="2" | [[N connector]]
|-
| [[File:UHF_socket.jpg|150px|thumb|UHF socket (on a [[G|Type G]] plug-in)]]
| [[File:013_045_5.jpg|150px|thumb|The 013-045 has one male two female UHF connectors]]
| [[File:N connector.jpg|150px|thumb|]]
| [[File:N socket.jpg|150px|thumb|]]
|-
!colspan="2" | [[GR-874 connector]]
!colspan="2" | [[BSM connector]]
|-
| [[File:Gr874 connector.jpg|150px|thumb|GR-874 cable connector]]
| [[File:S1-crop.jpg|150px|150px|thumb|GR-874 connector on an [[S-1]] sampling head]]
| [[File:7t11 bsm.jpg|150px|thumb|BSM female on front lower right of 7T11]]
| [[File:Bsm panel jack.jpg|150px|thumb|BSM panel jack]]
|-
!colspan="2" | [[Gremar connector]]
!colspan="2" | [[Peltola connector]]
|-
|colspan="2" align="center" | [[File:5t1a_coax_interconnect.jpg|150px|thumb|center]]
| [[File:Peltola-connector-socket.jpg |150px|thumb|Socket]]
| [[File:Peltola-connector-tip.jpg |150px|thumb|Tip]]
|-
!colspan="2" | [[TNC connector]]
!colspan="2" |  
|-
| [[File:Tnc-female-bulkhead-connector.jpg|150px|thumb|TNC Female]]
| [[File:Tnc-male-crimp-connector.jpg|150px|thumb|TNC Male]]
|  
|  
|-
|}


<gallery>
''See also '''[http://ecee.colorado.edu/~kuester/Coax/connchart.htm Coax connector comparison]''' ''
File:Bnc female.jpg|BNC Female
File:Bnc male.jpg|BNC Male
</gallery>


==SMA==
==Fiberoptic connectors==
SMA connectors are good to about 20GHz.  The male connectors have a protruding center
pin and ground shroud that screws on.  They are similar to UHF connectors, but much smaller
and with much tighter tolerances and better controlled impedance.  The female is threaded
on the outside.  SMA connnectors are used on the [[S-52]], [[7T11]], [[S-4]] and [[S-6]].


<gallery>
{| class="wikitable"
File:Sma male.jpg|SMA Male
|-
File:Sma female.jpg|SMA Female
!colspan=2| [[FC/PC connector]]
</gallery>
|-
|-
| [[File:FCPC-connector.jpg |150px|thumb]]
|
|-
|}


==SMB==
==Non-coaxial low-voltage connectors==
SMB connectors are small snap-on RF connectors developed in the 1960's. 
They come in 50-ohm and 75-ohm variants.  Their RF performance in somewhat
inferior to SMA connectors, but they are more compact and have the convenience
of being snap-on instead of having a screw-on grounding nut.  They are used
in 1960's sampling and pulse gear like the [[1S1]], [[4S1]], and [[284]].
They are also used in later equipment like the [[DC5010]] and the [[7D15]].
In general, SMB connectors are more widely used inside of RF equipment (on module interconnects, for example) than on front panels where SMA is more frequently found.


* [http://w140.com/tyco_smb_connector_brochure.pdf Tyco SMB Connector Brochure (PDF)]
{| class="wikitable"
|-
!colspan=2| [[Banana connector]]
!colspan=2| [[LEMO S-series connector]]
|-
| [[File:Banana plug.jpg|150px|thumb|Banana plug (original style)]]
| [[File:Banana jack.jpg|150px|thumb|Banana jack (Ext H input on [[502]])]]
| [[File:Lemo connector.jpg|150px|thumb|LEMO S-series male (on [[P6201]])]]
| [[File:Tek_7104_probe_power.jpg|150px|thumb|Probe power connector on rear panel of [[7104]]]]
|-
!colspan=2| [[GPIB connector]]
!colspan=2| [[Amphenol 165 series connectors]]
|-
| [[File:Gpib-connector.jpg|150px|thumb|GPIB connector on back of a Tektronix [[TDS210]] scope]]
| [[File:IEEE488_cable.jpg|150px|thumb|Stacking GPIB cable connector]]
| [[File:Tek 175 rear connector.jpg|150px|thumb|Rear Connector on [[175]]]]
| [[File:Tek 575 rear connector.JPG|150px|thumb|Rear Connector on [[575]]]]
|-
!colspan=2| [[XLR connector]]
!colspan=2| [[0.1" header]]
|-
| [[File:XLR connectors.jpg|150px|thumb| 3-pin XLR cable plug and socket]]
| [[File:XLR5_socket.jpg|150px|thumb| 5-pin XLR panel socket]]
| [[File:0.1in headers.jpg|150px|thumb| 0.1" pin headers with cable connectors]]
|
|-
!colspan=2| [[D-sub connector]]
!colspan=2|
|-
|
|
|
|
|-
|}


<gallery>
==Power connectors==
File:Smb on 4s1 sampler.jpg|SMB Connector as Strobe Input to [[4S1]] Sampler
File:Smb in tek 284.JPG|SMB Connector as Tripper Pulse Input to [[284]] Tunnel Diode
</gallery>


==GR-874==
{| class="wikitable"
The GR-874 is a hermaphroditic (asexual) RF connector developed
|-
by [[General Radio]] in the late 1940's.
!colspan=2| [[IEC connector]]
They are typically for 50 Ω impedance, but
!colspan=2| [[Octal connector]]
versions for 75 Ω and 125 Ω were available
|-
using the same ground shield and housing, but different center pin geometry.
| [[File:IEC.jpg|150px|thumb|IEC 320 (60320) C14 power inlet]]
Different versions of the connector have different maxiumum voltage ratings;
| [[File:IEC320C13.jpg|150px|thumb|IEC 320 (60320) C13 cable plugs]]
1000V is typical.
| [[File:Octal plug.jpg|150px|thumb|Modern octal cable plug]]
There are locking and non-locking versions.
| [[File:Octal_power_socket.jpg |150px|thumb| Octal power sockets on [[160]] series modules]]
|-
!colspan=2| [[NEMA 5-15 connector]]
!colspan=2| [[NEMA 1-15 connector]]
|-
| [[File:NEMA 5-15 on 549.jpg|150px|thumb|NEMA 5-15 ("Edison"), recessed]]
| [[File:NEMA 5-15 on 585.jpg|150px|thumb|NEMA 5-15 ("Edison")]]
| [[File:Tek514-lineSocket.jpg|150px|thumb|NEMA 1-15]]
|
|}


The Tektronix [[519]] uses a 125 Ω GR-874 connector which has
==Links==
the same ground housing as the 50 Ω variant,
* [https://www.microwaves101.com/encyclopedias/microwave-connectors Microwave connectors]
but has a center pin that is thinner and shaped differently. 
 
The regular 50 Ω version is used in the [[1S1]], [[1S2]],
[[3S1]], [[3S7]], [[3T7]], [[4S1]], [[4S2]], [[5T1]], [[5T1A]], [[5T3]], [[7M11]], [[N]], [[S-1]], [[S-2]], [[106]], [[109]], [[110]], [[113]], [[280]], [[281]], [[282]], and [[282]].
 
* [http://w140.com/gr874_1973_gr_catalog.pdf GR-874 Section of 1973 General Radio Catalog (PDF)]
 
<gallery>
File:Gr874 plug.plug.jpg
File:Gr874 connector.jpg
File:50 versus 75 ohm gr874.jpg | Two 75 Ω and one 50 Ω GR-874 connectors
File:Various GR874 connectors.jpg | An asortment of GR-874 connectors and adapters
File:Gr 874-w50b.jpg|GR-874 50 Ω Terminator
</gallery>
 
==Peltola==
Peltola connectors are used extensively inside 7000-series scopes and plug-ins. 
The main signal path in all 7000-series scopes is 50-ohm differential, and Peltola connectors are used for almost all inter-board signal wiring.
 
The Tektronix website says the following about Peltola connectors:
 
<blockquote>
The Peltola connector was developed for in-house use by Tektronix (and developed by Ron Peltola).
However, the pieces to make the connector are these:
 
The Male coaxial connector consists of the RG-174 coax center conductor as the male pin, with the braided shield pressed between two eyelets, part number 210-0775-00 (smaller one) and part number 210-0774-00 (larger one). The outer eyelet is then "dimpled" to secure the eyelet-shield-eyelet combination.
 
The Female (circuit board mounted) connector consists of 2 pieces. In the center is the socket pin connector, part number 136-0252-07 and the connector recepticle (with 3 circuit board mounting tabs), part number 131-1003-00.
 
The tool used to swedge the two pieces of the Peltola together was custom-made, tool-by-tool in the Tek machine shop. They began with an inexpensive, common parallel-jaw fish cleaning pliers. The two opposing jaws were replaced by a new set, the end of each machined with a "mouse hole", one the width of the outside diameter of the larger eyelet, the other the width of the outside diameter of the cable.  The smaller eyelet was placed over the end of the stripped cable and the braid spread out over the outside and trimmed off. Then the larger eyelet was positioned over the end of the smaller one, the tool carefully put into place, and the handles squeezed to press the eyelets together with the braid trapped between.  That was all.  There was no further dimpling step.
 
The Peltola shares simplicity and economy with the RCA phono connector common on stereo systems and the "F" connector, commonly used for television antenna connections. It's certain that the Peltola wins as the cheapest, simplest and highest-performance of the three.
</blockquote>
(See also [https://www.google.com/patents/US3742425 US Patent 3742425].)
 
<gallery>
File:Peltola-connectors-mated.jpg | Mated connectors
File:Peltola-connector-socket.jpg | Socket
File:Peltola-connector-side.jpg | Side view
File:Peltola-connector-tip.jpg | Tip
File:peltola-connector-drawing.jpg | schematic drawing of components
</gallery>
 
==UHF==
The UHF connector is basically a [[Connectors#Banana|banana]] connector
with a screw-on shield.
The male is often called a PL-259,
and the female is often called an SO-239. 
Although it is called a "UHF" connector,
the connector's construction does does not provide
a controlled impedance that matches the impedance
of the cables it is typically used with. 
UHF connectors are typically used up to 300 MHz, at most.
The design has been used since the 1930's,
and it is used on many pieces of early Tektronix gear.  Tek moved away from them in the mid-1960's.
Tek provided kits that allowed owners or field technicians to convert instruments from UHF connectors
to [[Connectors#BNC|BNC connectors]], which are smaller, quicker to attach and remove, and have better
high-frequency characteristics (controlled impedance).
 
The UHF connector is used in the [[511]], [[512]], [[513]], [[514]], [[515]], [[516]], [[517]],
[[524]], [[525]], [[526]], [[531]], [[533]], [[535]], [[541]], [[543]], [[545]], [[551]], [[555]],
[[575]], [[127]], [[1121]], [[A]], [[B]], [[C]], [[D]], [[G]], [[H]], [[K]], [[L]], [[R]],
[[S]], [[T]], [[Z]], [[2A60]], [[60]], [[63]], [[72]], [[75]], [[104]], [[105]],
[[107]], [[013-045]], [[013-045]], and [[360]].
 
<gallery>
File:013_045_5.jpg|The 013-045 has one male UHF connector and two female UHF connectors.
</gallery>
 
==Banana==
According to Wikipedia, the banana connector was invented in 1924 by Richard Hirschmann.
The male (plug) is a 4mm shaft that has a springy shroud so it fits snugly in the female (socket),
which is a 4mm hole.  In American equipment, when banana plugs are used in pairs (e.g., power and ground),
it is customary to place the two banana connectors 3/4" apart.  Although the 3/4" spacing is a de facto
standard in America, it is problematic in Europe, where a 3/4" double banana plug can easily be inserted
into a wall (mains) power receptacle by accident.
 
==N==
According to Wikipedia, the N connector was invented in the 1940s by Paul Neill of Bell Labs. 
The N connector is good to at least 10GHz.  It is seen as the input connector for Tektronix
spectrum analyzers [[1L20]], [[1L30]], [[1L40]], and [[492]].  It is used for the output on the
[[108]] pulse generator.
<gallery>
Image:N conn mech.png
</gallery>
 
==BSM==
Several Tektronix products use BSM connectors, such as the [[7T11]], [[11B2]], [[3S2]], [[S-50]]. [[S-51]], and [[S-52]].
These look like minature [[Connectors#BNC|BNC connectors]].  They are much less common than BNC connectors.  There are two-lug variants
and three-lug variants.  Tektronix used the two-lug variant.  They are also sometimes called MB connectors.
The [[067-0587-01]] uses one for TRIG OUT.  The [[012-0127-00]] converts from BSM to BNC.
 
<gallery>
Image:7t11 bsm.jpg|BSM female on front lower right of 7T11
Image:Five bsm mb bnc.jpg|BSM to BNC adapters
Image:Bsm panel jack.jpg|BSM panel jack
</gallery>
 
==0.1" Header==
==IEC==
IEC connectors are electrical power connectors specified by IEC standards. Mostly, the term is used for connectors in the [http://en.wikipedia.org/wiki/IEC_60320 IEC 320 standard] issued in 1970 (since re-numbered to IEC 60320), and most often for the ubiquitous C13 / C14 type mains power inlet connector.
<gallery>
File:IEC.jpg| IEC 320 (60320) C14 power inlet
</gallery>
 
==Lemo S-series==
LEMO is a Swiss connector company founded in 1946. 
Tektronix used LEMO connectors to provide power to probes.
[[7000-series scopes]] have this connector.
 
<gallery>
File:Tek_7104_probe_power.jpg|Probe power connector on rear panel of [[7104]].
</gallery>
 
==Octal==
In some Tektronix equipment such as the [[160]] series, an octal connector is used.  The plug resembles the bottom of a
tube like a [[6L6]].  The socket is an octal tube socket.  The 160 power supply has octal sockets on the back, and octal cables
bring the power to the modules such as the [[161]], [[162]], [[163]], and [[360]].
 
==XLR==
The XLR connector is most often used as a connector for microphone cables.  It is used in the Tektronix Type [[E]].
 
==Amphenol 165-15==
The Amphenol 165-15, which mates with a 165-14, is a MILSPEC connector with 9 #20 contacts and a current rating of 7.5A.
It is used for the cable that connects the [[175]] to the [[575]].
* [http://w140.com/amphenol_165.pdf Amphenol 165 Data Sheet (PDF)]
<gallery>
File:Tek 175 rear connector.jpg|Rear Connector on [[175]]
File:Tek 575 rear connector.JPG|Rear Connector on [[575]]
</gallery>
 
==GPIB==
[[Image:Gpib-connector.jpg|thumb|200px|right|GPIB connector on back of a Tektronix [[TDS210]] scope]]
[[GPIB interface|GPIB aka IEEE-488]] uses a 24-pin Amphenol-designed micro ribbon connector. Micro ribbon connectors have a D-shaped metal shell, but are larger than D-subminiature connectors. They are sometimes called "Centronics connectors" after the 36-pin micro ribbon connector that Centronics used for their printers.




[[Category:Repair issues]]
[[Category:Visual index pages]]
[[Category:Electromechanical components]]
[[Category:Electromechanical components]]
[[Category:Connectors]]

Latest revision as of 13:38, 13 September 2023

Tektronix equipment makes use of a wide variety of connectors, most of which follow established standards, but occasionally, custom connectors were designed. This page presents a partial overview of connectors used in Tektronix equipment.

For details, please see the pages linked from the headings.

Coaxial connectors

BNC connector Tekprobe BNC connector
BNC Female
BNC Male
Tekprobe connector (socket)
Tekprobe-BNC interface
SMA connector SMB connector
SMA Male
SMA Female
SMB Connector as Strobe Input to 4S1 Sampler
SMB Connector as Tripper Pulse Input to 284 Tunnel Diode
3.5 mm connector 2.92 mm connector
3.5 mm female image needed
3.5 mm male
2.92 mm female
2.92 mm male
UHF connector N connector
UHF socket (on a Type G plug-in)
The 013-045 has one male two female UHF connectors
GR-874 connector BSM connector
GR-874 cable connector
GR-874 connector on an S-1 sampling head
BSM female on front lower right of 7T11
BSM panel jack
Gremar connector Peltola connector
Socket
Tip
TNC connector  
TNC Female
TNC Male
    

See also Coax connector comparison

Fiberoptic connectors

FC/PC connector

Non-coaxial low-voltage connectors

Banana connector LEMO S-series connector
Banana plug (original style)
Banana jack (Ext H input on 502)
LEMO S-series male (on P6201)
Probe power connector on rear panel of 7104
GPIB connector Amphenol 165 series connectors
GPIB connector on back of a Tektronix TDS210 scope
Stacking GPIB cable connector
Rear Connector on 175
Rear Connector on 575
XLR connector 0.1" header
3-pin XLR cable plug and socket
5-pin XLR panel socket
0.1" pin headers with cable connectors
D-sub connector

Power connectors

IEC connector Octal connector
IEC 320 (60320) C14 power inlet
IEC 320 (60320) C13 cable plugs
Modern octal cable plug
Octal power sockets on 160 series modules
NEMA 5-15 connector NEMA 1-15 connector
NEMA 5-15 ("Edison"), recessed
NEMA 5-15 ("Edison")
NEMA 1-15

Links

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