Tektronix TPG20 Manuel d'utilisateur télécharger pdf (Page 36)

Performance Check and Calibration Procedures

1–24

TPG20 Service

9. Frequency Response Adjustment

a. Set TPG20:

FORMAT 625/50 COMPONENT RGB

Groups: SWEEPS; LINE SWEEP 6.5 625 RGB

b. Connect the TPG20 A Analog Output to the 1781R set to waveform

monitor display.

c. Adjust – RV2 for flat response ± 0.1 dB.

d. Connect the TPG20 B Analog Output to the 1781R.

e. Adjust – RV5 for flat response ± 0.1 dB.

f. Connect the TPG20 C Analog Output to the 1781R.

g. Adjust – RV8 for flat response ± 0.1 dB.

h. Set TPG20:

FORMAT 525/60 COMPONENT RGB

Groups: SWEEPS; LINE SWEEP 5.5 525 RGB

i. Connect TPG20 A Analog Output to the 1780R set to waveform

monitor display.

j. Adjust – RV3 for flat response ± 0.1 dB.

k. Connect TPG20 B Analog Output to the 1780R.

l. Adjust – RV4 for flat response ± 0.1 dB.

m. Connect TPG20 C Analog Output to the 1780R.

n. Adjust – RV9 for flat response ± 0.1 dB.

10. Serial Digital Output

a. Set TPG20:

FORMAT 525/60 COMPONENT D1/YPrPb

Groups: BARS; SMPTE COLOR BARS 525 D1/YPrPb

b. Install a shorting link (jumper) on LK1.

c. Connect frequency counter to TP2.

d. Adjust – RV10 for 27.0 MHz.

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 101 102

Pas de commentaire

Tektronix TPG20 Manuel d'utilisateur Page 36