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Appendix A: Performance Specification

A–2

WFM 90 & WFM 91 User Manual

Electrical Specifications

A-1. Vertical deflection system

CATEGORY

DESCRIPTION

Frequency Response

REF:

Specifications apply for full screen

height video input signal, with VARI-

ABLE GAIN off.

REQ: Flat Filter 1 V Full Scale: 50 kHz to 6 MHz

within 2% of response at 50 kHz.

REQ: Flat Filter X5 Gain: 50 kHz to 6 MHz within

5% of response at 50 kHz.

REF:

Low Pass Filter: w40 dB attenuation

at 3.58 MHz NTSC, 4.43 MHz PAL.

REF:

Response at 15 kHz does not vary

between FLAT and LUM (low pass)

filters by more than 1%.

Deflection Factor REQ: 1 V Full Scale: 1 V input displayed within

1% of 140 IRE.

REF:

Flat filter selected.

REQ: X5 Gain: Gain accuracy within 5% with 1 V

input signal.

REF:

X5 Gain Registration: v1 major divi-

sion of vertical shift from baseline

between unmagnified and magnified

signal.

REQ: Variable Gain Range: Input signals be-

tween 0.8 V and 2 V can be adjusted to

140 IRE (1.0 V) display. 160 mV to 400 mV

for X5 Gain.

REQ: Position Range: 1 V signal can be posi-

tioned so that peak white and sync tip can

be placed at blanking level, with the DC

RESTORER on, regardless of gain setting.

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Monitor Audio Vector Manuel d'utilisateur Page 68