B&K Precision 2542B Manual de usuario descargar pdf (Pagina 227)

Specifications

227

Trigger system

Source CH1, CH2, EXT, EXT/5, AC Line, Alternating

Modes Auto, Normal, Single

Coupling DC, AC, LF-Reject, HF-Reject

Type Edge, Pulse, Video

Trigger level range

Internal: ±8 divisions from screen center

EXT: ±1.6 V

EXT/5: ±8 V

Trigger sensitivity 0.1 div to 1.0 div user adjustable

EXT input impedance 1 MΩ || 18 pF

EXT maximum input 400 V

@1 MΩ

Video Standard

Supports NTSC, PAL, and SECAM broadcast

systems for any field or any line

Holdoff Range 100 ns to 1.5 s

Trigger Level

Accuracy

Internal: ±0.3 div x Volts/div

SET LEVEL TO 50% Operates with input signal ≥ 50 Hz

Pulse Width

Trigger mode

Trigger when Less than, Greater than, Equal,

Positive pulse , Negative pulse

Pulse Width Range 20 ns to 10 s

1 2 ... 222 223 224 225 226 227 228 229 230 231 232 ... 249 250

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B&K Precision 2542B Manual de usuario Pagina 227