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¡Ý Frequency measuring range ;
0.1 Hz to 100 MHz in A, B input
80 MHz to 3.0 GHz in C input Period and Total measurement for input A
¡Ý Time interval and Ratio measurement for input A and B
¡Ý Trigger level adjustment for input A
¡Ý Separate and Common mode selectable for input A and B
¡Ý Slope mode selectable for input A and B
¡Ý 9 Digit display with 0.01 mHz resolution in 1 Sec.
¡Ý RS-232C serial interface function for communicating wit computer
¡Ý High sensitivity External reference input function( Higher than 1.5 Vrms)
¡Ý Reciprocal technique for high resolution at low counting frequencies
¡Ý Self check function executed to perform a automatic self diagnosis of various counter function
¡Ý Push-scanning for selecting Function and Gate time
¡Ý Low-pass filter(100 kHz, -3 dB) installed for removing noise signal in low frequency measuring
¡Ý AC/DC coupling function ( Selectable AC/DC Coupling )
¡Ý 10:1 Input Attenuation ( Selectable x1/x10 Attenuator )
¡Ý Data hold function
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Function
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Specification
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¢Ã Display
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Display
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9
digit large green LED display, Overflow, Gate time, mHz,
Hz, kHz, MHz, nS, uS, mS, S, HOLD
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¢Ã
Frequency Measurement
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Range
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Input
A,B: 0.1Hz-100MHz, Input C: 80MHz-3.0GHz
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Gate Time
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0.01Sec,
0.1Sec, 1Sec, 10Sec
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Resolution
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1nHz
~ 10Hz
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Accuracy
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+/-
Resolution +/- TimebaseError +/- 1count
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¢Ã
Input Characteristics
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Terminal
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A
, B, C
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Sensitivity
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A
B input : 30mVrms ,
C input: 25mVrms(80-150MHz), 20mVrms(150MHz-2.0GHz)
40mVrms(2.0GHz-3.0GHz)
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Impedance
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A,
B input: 1 Mohm, ¡´40pF , C input : 50 ohm
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Max. Input Voltage
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A,
B input : 250mVrms, C input: 3Vrms
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Attenuator
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A,
B input: x1, x10
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Slope
A,B
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+,
- selectable
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Trigger
A
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Preset
or Variable
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Low Pass Filter
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A,B
input : 100kHz, -3dB
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¢Ã
Multi Function for input A
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Period
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Range
: 10mSec to 10Sec
Resolution : 1pSec to 1nSec depending on Gate time and
Input Signal
Accuracy : +/- Resolution +/- Trigger Error +/- 1count
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Totalize
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Range
: 5Hz to 10MHz
Count capacity : 0 to 999999999(Max)
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¢Ã
Comparison Function for input A,B
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Time Interval
(A to B)
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Range
: 10mSec to 10Sec
L.S.D Display : 100mSec
Resolution : +/- L.S.D. +/- Trigger Error
Accuracy : +/- Resolution +/- 1count
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Ratio (A/B)
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Range
: A input ; 0.1Hz to 100MHz
B input ; 5Hz to 100MHz
L.S.D. Display : A x N/B,N = 1 to 1000
Accuracy : +/- 1 Count of A +/- B Trigger Error +/- A
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¢Ã
Time Base Characteristics
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Internal Timebase
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-
Frequency : 10MHz TCO (TCXO ; Option)
- Aging Rate : Less than 5x10-6/month
- Temperature Stability : Less than 5 x10-6 (0 to + 50¡ÆC)
- Line Voltage : Less than 1x10-6 for 10% variation
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Frequency Standard
Output
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-Frequency
: 10MHz
-Amplitude : 1.5Vp-p
-Impedance ; Approx. 600 ohm
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External Standard Input
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-Frequency
: 10MHz
-Input Level : 1.5Vrms to 5Vrms
-Impedance ; Approx. 600 ohm
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¢Ã
General
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Power Requirement
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115V
or 230VAC +/- 10% ,48 to 66Hz
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Operating Temperature
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0
to 50 ¡ÆC (Accuracy specified at 25 +/- 5 ¡ÆC)
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Dimension
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240(W)
x 270(D) x 90(H)mm
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Weight
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Approx.
2.5 kg
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Standard
Accessories
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Power
cord, BNC cable, Fuse, Instruction manual
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