Tektronix 070-8811-08 Manual do Utilizador descarregar pdf (Página 91)

Appendix A: Specifications

764 Digital Audio Monitor User Manual

Table 21: Level Meters and Phase Display

Characteristic Performance require-

ments

Supplemental information

Attack and Decay

Characteristics:

Ballistics only: normal scale

does not comply with standards.

True Peak PPM decay characteristics No attack delay

PPM per IEC268-10A and

IEEE std. 152-1991

VU per IEEE std. 152-1991

Level Meter accuracy ± 0.05 dB Steady 1 kHz tone, Full Scale to

–20 dBFS, no de-emphasis.

AGC Control Range 0 dBFS to –40 dBFS Lissajous pattern

Table 22: SMPTE Time Code inputs

Characteristic Information

VITC (Vertical Interval

Time Code)

Reads NTSC and PAL VITC conforming to IEC publication

461; indicates time as Hours:Minutes:Seconds.

Input connector BNC, 75Ω termination, no loop-through

Input signal Video with VITC, 1 volt nominal

LTC (Longitudinal Time

Code)

LTC conforming to IEC publication 461; indicates time as

Hours:Minutes:Seconds.

Input connector XLR balanced, 600Ω termination, no loop-through

Input signal Range: 250 mV

p-p

to 10 V

p-p

Table 23: Interface parameter measurements

Characteristic Performance require-

ments

Supplemental information

Sample rate

Range 27 kHz to 52 kHz

Resolution 0.01 kHz

1 2 ... 86 87 88 89 90 91 92 93 94 95 96 ... 120 121

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