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16-4

IM 701610-01E

16.3 Time Axis

Item Specifications

Time Axis Range DL1620/DL1640

2 ns/div to 800 s/div (record length is 8 Mwords)

2 ns/div to 500 s/div (record length is 100 kword or 1 Mwords)

2 ns/div to 50 s/div (record length is 10 kwords)

2 ns/div to 5 s/div (record length is 1 kwords)

DL1640L

2 ns/div to 800 s/div (record length is 16 Mwords(high resolution mode) or 4 Mwords)

2 ns/div to 640 s/div (record length is 32 Mwords(high resolution mode is OFF))

2 ns/div to 500 s/div (record length is 100 kwords, 1 Mwords, or 10 Mwords)

2 ns/div to 50 s/div (record length is 10 kwords)

2 ns/div to 5 s/div (record length is 1 kwords)

Timebase Precision

±(0.005%)

Time Axis Precision

±(0.005% + 50 ps + 1 digit)

EXT CLOCK IN Connector Type BNC

Maximum Input Voltage ±40 V(DC + ACpeak) or 28 Vrms, 10 kHz or less

Input Frequency Range 40 Hz to 5 MHz (continuous clock only)

Sampling Jitter ±10 ns or less

Minimum Input Level 0.3 V

P-P

for the DL1640/DL1640L

0.1 V

P-P

for the DL1620 with the ±1 V range selected

1 V

P-P

for the DL1620 with the ±10 V range selected

Threshold Level ±2 V (5 mV resolution) for the DL1640/DL1640L

±1 V (5 mV resolution) for the DL1620 with the ±1 V range selected

±10 V (50 mV resolution) for the DL1620 with the ±10 V range

selected

Input Impedance Approx. 1 MΩ, 28 pF

Minimum Pulse Width At least 10 ns (for both High and Low)

*1 As measured under standard operating conditions (see section 16.11) after warmed up.

*2 1 digit may be unreliabel depending on the sampling.

16.4 Display

Item Specifications

Display 6.4-inch color TFT liquid crystal display

Screen Size 130.6 mm (width) × 97.0 mm (height)

Total Picture Elements

640 × 480 dots

Waveform Picture Elements 500 × 384 dots

*1 The liquid crystal display (LCD) may contain a number of defective pixels. (Up to 40 pixels per million of the color LCD may

be defective.) Therefore, there may be a small number of “lit” or “dead” pixels on the LCD. This is not a malfunction.

16.5 Functions

Acquisition/Display

Item Specifications

Acquisition Mode Select from four modes: Normal, Averaging, Envelope.

Sampling Mode Select realtime or repetitive sampling. (Availability depends on time axis settings.)

High-resolution Mode If combined with a filter, improves the S/N ratio up to a maximum of 13 bits.

Record Length DL1620/DL1640 : 1 kword, 10 kwords, 100 kwords, 1 Mword, 8 Mwords

DL1640L : 1 kword, 10 kwords, 100 kwords, 1 Mword, 4 Mwords, 10 Mwords, 32 Mwords

Zoom Can zoom up to 2 time axis ranges of displayed waveform(s).

Display Format 1, 2, or 4 waveform windows.

Interpolation Display samples using dot display, “sine” interpolation, linear interpolation, or pulse

interpolation.

1 2 ... 400 401 402 403 404 405 406 407 408 409 410 ... 440 441

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