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The '''Tektronix Type W''' is a differential comparator plug-in amplifier for [[500-series scopes]], designed by [[John Horn]].
The '''Tektronix Type W''' is a differential comparator plug-in amplifier for [[500-series scopes]], designed by [[John Horn]].


{{MissingSpecs}}
{{BeginSpecs}}
{{Spec | Deflection | 1 mV/Div to 50 V/Div in 1–2–5-10-20-50 sequence and 1-10-100-1000 sequence }}
{{Spec | Input impedance | 1 MΩ // 20 pF (either input) }}


{{Spec | Bandwidth | 26 MHz with MILLIVOLTS/CM = 50 (23 MHz below S/N 7000);  8 MHz with MILLIVOLTS/CM = 1 }}
{{Spec | Common Mode Dynamic Range | ±15V after INPUT ATTEN }}
{{Spec | CMRR | DC Coupled: 20000:1 DC to 20kHz, 500:1 at 500kHz }}
{{Spec | CMRR | AC Coupled: 1000:1 at 60 Hz }}
{{Spec | Signal ranges | }}
{| class="wikitable" border=1 style="margin-left: 8em;" |
!Maximum Input Voltage (S/N 7000-up)
|-
| DC Coupled || 350 V
|-
| AC Coupled || 500 V
|-
!Maximum Input Voltage (S/N 101-6999)
|-
| INPUT ATTEN = 1 || 15 V
|-
| INPUT ATTEN = 10 || 150 V
|-
| INPUT ATTEN = 100 || ±350 V (DC Coupled); 500 V (AC Coupled)
|-
| INPUT ATTEN = 1000 || ±350 V (DC Coupled); 500 V (AC Coupled)
|-
|}
Type W is faster (bandwidth 23 MHz to 8 MHz depending on gain) than its [[Z|Type Z]] predecessor, and it extends performance in terms of sensitivity, reaching 1 mV/div.   
Type W is faster (bandwidth 23 MHz to 8 MHz depending on gain) than its [[Z|Type Z]] predecessor, and it extends performance in terms of sensitivity, reaching 1 mV/div.   
It achieves 20,000 to 1 common-mode rejection at DC and low frequencies.
It achieves 20,000 to 1 common-mode rejection at DC and low frequencies.
{{EndSpecs}}


==Operation==
==Operation==
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