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| Make |
various |
| Model |
Tektronix 526 Vectorscope |
| Description |
TEKTRONIX MODEL 526 VECTORSCOPE
Bandwidth - 5 MHz
From the earliest days of B&W TV, it was clear that the medium eventually was destined to blossom in full color. In fact, various color broadcast and reception
schemes had been proposed while B&W was still in its infancy, and a brisk competition for FCC approval arose. Color television didn't have much impact until more than a decade later. Then a significant number of households were watching TV in color. The demand for new TV production and broadcast equipment picked up as the industry raced to re-tool for color.
Among this color production and broadcast equipment was, inevitably, a new type of television signal measurement instrument from Tektronix: the vectorscope. The new Type 526 Vectorscope
displayed Lissajou figures, a means of plotting two signals (in this case the Red and Blue difference components) against each other. This is in contrast to the normal oscilloscope display, which plots a all components of the input signal against a fixed internal sweep waveform.
The resulting image is a classic polar (2-dimensional circular) graph that expresses the phase and
amplitude of burst and chrominance signals. Here again, inherited scope technology was the
foundation of the architecture, even though the display was not the typical X-Y plot of an oscilloscope. Like its predecessors, the Type 526 helped the TV industry attend to the essentials of signal quality even while the measurement challenges became more complex.
The Tektronix 526 graphically displays the phase and amplitude of TV chrominance signals on polar
coordinates in a vector presentation. Also, measures luminance amplitude, differential gain and
differential phase.
Features of this model:
Vectorscope Luminance
Amplitude
Chrominance Amplitude
and Phase Differential
Phase Differential Gain
Vector display shows the relative phase and amplitude of the chrominance signal on polar
Dual Vector Displays In dual-channel operation, successive samples of channels A and B are
displayed on a time-shared basis.
Time Base Displays - The linear time base operates at the line rate.
Red (R), Green (G), Blue (B), and Luminance (Y) - Provides a luminance channel that permits
the separation and display of the luminance (Y) component from the composite color signal.
Vertical Interval Test Signal Observation - You can display vertical Interval Test Signals from
front-panel selected lines of either field 1 or 2.
Differential Gain and Differential Phase Measurements - The two main chrominance signal distortions - differential gain and differential phase - can be measured.
Tektronix 526 Vectorscope, Has 'A' and 'B' Inputs....
This Model of Tektronix Vectorscope Is the Industry Standard for TV Transmitters and Used to Ajust a
Standard TBC, ask your engineer. He Will Know. This is a $3000 Work Horse. Does Many Functions.
This is an Excellent value for a Excellent Working Vectorscope......As You Can see from the Picture
The 526 Also Can Measure Y / R / B /I and Q Like a Waveform Monitor....
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| Age |
40 year |
| Weight |
20 kg |
| Condition |
Good |
| Location |
Usa |
| Vat |
Not from a VAT-registered business. But VAT / duty may be due if importing from outside your trade bloc. |
| Quantity |
1 item is available from the owner |
| Options |
User manual : No |
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Service manual : No |
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First owner : No |
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Original boxes : No |
| Plug type |
Usa standard plug |
| Voltage type |
External power supply 110V |
| Status |
Item is still available |
| Sale type |
The item is for sale |
| Category |
Lab gear |
| Serial number |
022760 |
| Sphere reference |
# 3245 |
| Statistics |
Created on : 12/11/2003 |
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Changed on : 15/11/2003 |
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Published on : (Not published) |
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Displayed : 1193 time(s) by members and guests |
| Safety |
All electrical items sold in VEMIA are deemed to be trade sales. No warranty of electrical safety is given or implied. Many items are vintage and would not pass current electrical safety standards. It is the responsibility of the buyer to ensure that items are safe to use in their future environment - if necessary by using the services of a professional. |
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Prices and conditions  |
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The following section gives you the prices as well as shipment and payment conditions associated with the item. Payment is always requested in gear owner local currency. Converted price is shown for information and converted with Sphere standard currency rate.
Shipment and Payment links gives you access to an extended description of our rating :
| Price |
166 USD |
| Converted price (1) |
124.96 GBP |
| Shipment |
International or local shipment to pay |
| Packing costs |
n/a |
| Payment |
Full pre payment needed |
| Warranty |
n/a |
| Counter offer |
The bargain allows counter offers |
| (1) Currency conversion |
Note that conversion rates were last adjusted on 10th October 2025 at 14:22 CET. They are there to give you a rough guide to the bid price in your currency. Please check for a more up-to-date conversion at https://www.x-rates.com/calculator.html. The bid price will be the actual price in pounds (GBP) at the moment the auction closes. This will be roughly converted to your currency for your information.
For technical reasons, we are unable to update the conversion from GBP to Euro during the auction, although it may change at any time. If you are in the euro zone please check the current rate at https://www.x-rates.com/calculator.html
Payments must always be in GBP. For more info please see the FAQ about exchange rates.https://spheremusic.com/Winfaq.asp?Question=91. |
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