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1693 RLC Digibridge
Reference
Name
7
Keyboard
8
Programming Keys
9
[FUNCTION] key
10
[DISPLAY] key
11
[MEASURE RATE] key
12
[MEASURE MODE] key
13
BIAS ON Indicator
14
EXTERNAL BIAS
switch
15
GO/NO-GO indicators
16
START button
17
REMOTE CONTROL
indicator
18
EQUIVALENT CIRCUIT
key
19
SHIFT Key
20
Parameter keys
4
Description
Group of keys, indicators and 2 other switches
Set of 16 keys, generally labeled with black
and gray
Indicators MEASURE and ENTER
Indicators: VALUE, delta%, BIN NO.
Indicators: SLOW, MED, FAST
Indicators: CONT, TRIGGERED
LED indicator
Slide switch, 2 positions: ON and OFF
Pair of LED indicators
Pushbutton switch
LED Indicator
Indicators: SERIES and PARALLEL
Key labeled SHIFT
Set of 4 keys, labeled: R/Q, C/D, L/Q, C/R, R/X
, G/B, Z/Ang, Y/Ang
Table 1-1: Front controls and indicators
Function
Manual programming and control. Refer to items 7 through
19 for more detail.
Multipurpose input of programming instruction, selections,
and data. Dual purposes of keys are indicated by color: Black
labels apply normally. Gray labels apply immediately after
you press and release the [SHIFT] key.
Selection of function. MEASURE enables measurement
and some routines that cannot be done in ENTER such as
"ZERO" calibrations, keyboard lock or unlock, and part of full
recalibration. ENTER enables programming of all special
functions, current , frequency, voltage, averaging, delay,
nominal value, and binning instructions. Either function
allows selection of hold range, constant voltage, DQ in ppm,
internal bias, parameter, equivalent circuit, measure mode,
measure rate, and display.
Selection of displays for MEASURE function; refer to items
1, 2, and 3 for description of displays. Two indicators are
lit simultaneously for delta RLC. This key has no effect on
ENTER-function displays.
Selection of measurement speed as indicated. Speed is
also affected by many other choices. Use SLOW for better
accuracy and FAST for increased measurement speed.
Mode selection: CONT, continuously repeating measurement;
TRIGGERED, single measurement initiated by START button.
Indicates that internal bias in on, or EXTERNAL BIAS switch
is ON.
To connect and disconnect the external bias circuit. External
bias is applied via rear connector and optional bias cable.
GO means measured value is acceptable, based on the limits
previously stored. NO-GO means RLC or QDR value or
both are unacceptable. Indicator remains lighted during next
measurement.
Starts measurement sequence, aborting any measurement
that may be in process. Normally used in TRIGGERED
measurement mode.
Indicates when remote control is established by external
command. Functions only if an IEEE interface option is
installed.
Selection of equivalent circuit for R/Q, C/D, L/Q or C/R. R/X
is also series, G/B is always parallel, Z/Ang and Y/Ang are
magnitude.
Pressing this shifts the role of any key labeled in both black
and gray FROM the BLACK TO the gray label. Do NOT hold
the [SHIFT] key down, press it first and then the other key.
Selection of principal and secondary measurement
parameters. In the ENTER mode, repeated pushing of any
one parameter key changes the range in sequence 1 2 3 4
.... And hence measurement values.
Introduction
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