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==585A differences== | ==585A differences== | ||
The 585A uses a tunnel-diode trigger circuit (see below), adds HF Sync and AC LF reject modes to the timebase A trigger selector, and adds a [[trace rotation]] coil. | The 585A uses a tunnel-diode trigger circuit (see below), adds HF Sync and AC LF reject modes to the timebase A trigger selector, and adds a [[trace rotation]] coil. | ||
==Links== | ==Links== | ||
| Line 215: | Line 117: | ||
Rackmount versions were also made, the RM585 and RM585A. | Rackmount versions were also made, the RM585 and RM585A. | ||
===Circuit Variants=== | |||
{| class="wikitable" | |||
<!-- Header --> | |||
! colspan="3" | Few of the changes across 585 and 585A | |||
|- | |||
! | |||
! 585 | |||
! 585A | |||
<!-- End Header --> | |||
<!-- Start section --> | |||
|-style="background-color:#ffffff;" | |||
! rowspan="2" | A-Trigger | |||
| SN up to 1070 | |||
*[[6EW8]] Trigger comparator. | |||
*[[6DJ8]] Trigger multivibrator | |||
| rowspan="2" | | |||
*Tunnel diode trigger | |||
*PNP trigger amplifier [[2N2048]] | |||
|-style="background-color:#ffffff;" | |||
| SN 1071 up | |||
*Tunnel diode trigger | |||
*PNP trigger amplifier [[OC171]] | |||
<!-- End Section --> | |||
<!-- Start section --> | |||
|- | |||
!Sweep Generator | |||
| Standard | |||
| SN 120000 up | |||
D152/252 added to [[6AL5]] disconnect diodes | |||
<!-- End section --> | |||
<!-- Start section --> | |||
|-style="background-color:#ffffff;" | |||
! rowspan="2"| 12.6 V Power | |||
| SN up to 3762 | |||
*Used for plug-in | |||
*Selenium rectifier | |||
| rowspan="2" | | |||
*Used for plug-in and vertical amplifier heaters | |||
*SN 6580 up Fused | |||
|-style="background-color:#ffffff;" | |||
| SN 3763 up | |||
*Used for plug-in and vertical amplifier heaters | |||
*Minor design changes from earlier SN | |||
<!-- End Section --> | |||
<!-- Start section --> | |||
|- | |||
! rowspan="2"| Vertical amplifier | |||
grind/plate line fuses | |||
| SN up to 3762: No Fuse | |||
| rowspan="2" | Fused | |||
|- | |||
| SN 3763 up: Added F1210, F1260, F1285 | |||
<!-- End Section --> | |||
<!-- Start section --> | |||
|-style="background-color:#ffffff;" | |||
! rowspan="2"| Delay Relay | |||
| rowspan="2"| [[6NO45]] | |||
*Heater power from unregulated 18 V DC | |||
* 33 Ω dropping resistor. | |||
| SN up to 9179 | |||
*[[6NO45]] | |||
*Heater power from unregulated 18 V DC | |||
* 33 Ω dropping resistor. | |||
|-style="background-color:#ffffff;" | |||
| SN 9180 up | |||
*[[18NO30]] | |||
*Heater power from unregulated 18 V DC | |||
|- | |||
<!-- End Section --> | |||
<!-- Start section --> | |||
|- | |||
! Trace Rotation | |||
| Not present | |||
| SN 9000 up: Added trace rotation | |||
|- | |||
<!-- End Section --> | |||
<!-- Start section --> | |||
|-style="background-color:#ffffff;" | |||
! Final vertical power amp | |||
| [[6939]]/AX193/7699 dual tetrode | |||
| 2 × [[7788]] Pentode | |||
|- | |||
<!-- End Section --> | |||
<!-- Start section --> | |||
|- | |||
! Power supply Mod | |||
| None | |||
| SN 9250 up: Main relay K601-4 relocated [http://web.archive.org/web/20170727004536/http://www.reprise.com/host/tektronix/reference/581_relay.asp Details] | |||
|- | |||
<!-- End Section --> | |||
! colspan="3" |SN Range not applicable for rack-mount models | |||
|- | |||
|} | |||
==Prices== | ==Prices== | ||
{| | {| | ||
| Line 318: | Line 320: | ||
Tek-585-82.jpg | 585 with [[82|Type 82 plug-in]] | Tek-585-82.jpg | 585 with [[82|Type 82 plug-in]] | ||
Tek 585 with 82.jpg | 585 with [[82|Type 82 plug-in]] | Tek 585 with 82.jpg | 585 with [[82|Type 82 plug-in]] | ||
Tek 585 non A Field Modification 040-275 label.jpg | Front panel label indicating Field Modification 040-275 is applied | |||
</gallery> | </gallery> | ||
===585 non-A Internals=== | ===585 non-A Internals=== | ||
| Line 382: | Line 385: | ||
Tek_RM585A_Int_Rear.jpeg | RM585A Internal - Rear | Tek_RM585A_Int_Rear.jpeg | RM585A Internal - Rear | ||
Tek_585A_VOutput-Tubes.jpeg | RM585A Internal - Vamp - Output [[7788]] pair | Tek_585A_VOutput-Tubes.jpeg | RM585A Internal - Vamp - Output [[7788]] pair | ||
RM585A_12.6V-Recrifier.jpeg | 12. | RM585A_12.6V-Recrifier.jpeg | 12.6 V Silicon diode rectifier with fuse | ||
RM585A_T44-Trigger-Transformer.jpeg | T44 - Trigger coupling transformer (Tunnel diode trigger) | RM585A_T44-Trigger-Transformer.jpeg | T44 - Trigger coupling transformer (Tunnel diode trigger) | ||
RM585A_12.6V-regulator.jpeg | 12. | RM585A_12.6V-regulator.jpeg | 12.6 V regulator transistors | ||
RM585A_18V-delayrelay.jpeg | Delay relay 18NO30T | RM585A_18V-delayrelay.jpeg | Delay relay 18NO30T | ||
Tek_585A_Trigger-Amp-transistor.jpeg| Trigger amplifier transistor 2N2048 | Tek_585A_Trigger-Amp-transistor.jpeg| Trigger amplifier transistor 2N2048 | ||
Tek_585A_Vamp-Plate-Line-Termination.jpeg| Plate line termination (post deflection plates) | Tek_585A_Vamp-Plate-Line-Termination.jpeg| Plate line termination (post deflection plates) | ||
Tek_585A_T1046-transformer.jpeg | T1046 | Tek_585A_T1046-transformer.jpeg | T1046 toroid transformer in V-amp, used as phase correction/common mode choke | ||
Tek_585A_Grid_Line.jpeg | Tek 585A V-amp grid line (Delay Line driver stage) | Tek_585A_Grid_Line.jpeg | Tek 585A V-amp grid line (Delay Line driver stage) | ||
Tek_585A_Plate_Line.jpeg | Tek 585A plate line (partial, delay Line driver stage) | Tek_585A_Plate_Line.jpeg | Tek 585A plate line (partial, delay Line driver stage) | ||