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Atec Tektronix-WVR500 User Manual

Page 5

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Specifications

1–4

WVR500 Waveform/Vector Monitor Service Manual

Table 1–1: Vertical deflection system (cont.)

Category

Description

Frequency Response

Req: 1 V Full Scale: 50 kHz to 6 MHz within 2% of response at 50 kHz.

RI:

Specifications apply for full screen height video input signal, with Variable
Gain off, and Flat filter selected.

Req: X5 Gain: 50 kHz to 6 MHz within 5% of response at 50 kHz.

RI:

Flat filter selected.

Req: Luminance Filter:

30 dB attenuation at 4.00 MHz.

RI:

Response at 15 kHz does not vary between Flat and Luminance filters by
more than 1%.

Transient Response

RI:

Specifications apply for full screen height video input signal, with Variable
Gain off, 1 V Full Scale or X5 Gain, using the 2T pulse and 2T bar.

Req: Pulse-to-Bar Ratio: X1: 0.99:1 to 1.01:1.

X5: 0.98:1 to 1.02:1.

Req: Field Rate Square Wave or Vertical Window Tilt:

1%.

Req: 25

ms Bar Tilt:

1%.

Req: Overscan:

2% variation in baseline of 100 IRE (700 mV PAL) 12.5T (20T PAL)

modulated pulse as it is positioned over the middle 80% of the screen.

RI:

Preshoot:

1%.

RI:

Overshoot:

X1:

2%.

X5:

4%.

RI:

Ringing:

X1:

2%.

X5:

4%.

Maximum Absolute Input Level

Req:

±

5 VDC + peak AC.

RI:

Displays in excess of 200 IRE (1.428 V PAL) may cause frequency response
aberrations.

RI:

Maximum Operating Input Voltage: Peak AC + DC should be within +8.0 V
and –5.6 V for proper operation.

DC Input Impedance

Req:

15 k

W.

RI:

Unterminated.

Return Loss (75

W)

Req:

40 dB from 50 kHz to 6 MHz.

RI:

CH-A and CH-B input channels, loopthrough terminated in 75

W. Input in use

or not in use, instrument power on or off, all deflection factor settings.

Loopthrough Isolation

RI:

70 dB of isolation between loopthroughs. Measured at F

SC

between CH-A,

CH-B, and EXT REF inputs.