Filter
Top Products
Specifications
WFM90D and WFM91D Service Manual
1-7
Table 1- 6: Synchronization
Category Description
Input Requirements REQ: Internal Reference
Analog Input:
Composite video or black burst with sync amplitudes 40 IRE (300 mV PAL) ᐔ6 dB.
Digital Input:
270 Mbit (259M).
REQ: External Reference:
Sync amplitude between 143 mV and 4 V will synchronize sweeps.
External Reference Input REQ: DC Input Impedance (Unterminated):
≥15 kΩ.
REF: Return Loss (75 Ω):
≥40 dB from 50 kHz to 6 MHz. (With 75 Ω termination on, instrument power on.)
REF: Absolute Maximum Input Voltage: ᐔ12 VDC plus peak AC.
Table 1- 7: Power source
Category Description
Battery REF: 6 C-cell batteries or Tektronix NiMH battery pack
(Tektronix part number 146-0107-01).
Battery Charge Time REF: Fast Charge: 550 mA.
REF: Slow Charge: 150 mA.
Power Consumption REF: Picture Mode: 7 Watts.
Waveform Mode 9 W.
Vector Mode 9 W.
External Power REQ: DC Source of 11 -- 18 V.