h Resolution and Number of Displayed Digits
Time Base Selector
INT EXT INT EXT INT EXT INT EXT
Gate Time 0.01S 0.1S 1S 10S
Number Of
Displayed Digits
5 6 6 7 7 8 8 9
Frequency (Input C)
RESOLUTION
100 MHz-999 MHz 10 KHz 1 KHz 1 KHz 100 Hz 100 Hz 10 Hz 10 Hz 1 Hz
1 GHz-3.7 GHz 100 KHz
10 KHz 10 KHz 1 KHz 1 KHz 100 Hz
100 Hz
10 Hz
(Table 2)
g TIME BASE CHARACTERISTICS
h TYPE: TCO (Temperature Controlled Oscillator)
h FREQUENCY: 10.000000 MHz
h STABILITY: ±1 PPM (±1 count)
h LINE VOLTAGE STABILITY:
Less than ± 1 PPM with ± 10% line voltage variation
h TEMPERATURE STABILITY:
±5 PPM from 0°C to 50°C
h MAX. AGING RATE: ±5 PPM/year
h INT. STD. OUT: 10 MHz (Internal Standard Frequency Output)
LEVEL: 1 V p-p or more. TTL (10TTL)
CAPACITANCE: 15pF
h EXT. STD. IN: 10 MHz (External Standard Frequency Input)
LEVEL: 1.5Vrms to 5Vrms
IMPEDANCE: Approx. 600Ω
g DISPLAY CHARACTERISTICS
h DISPLAY: Nine Digit 0.56" LED with M (Mega) or K (Kilo) Hz; nano, micro,
or milli (n/u/m) Sec.; GT (GATE TIME); H (HOLD); and OF
(OVERFLOW) indicators. FUNCTION and GATE TIME are
user selected. OF display is shown when the count exceeds 999
999 999.
h HOLD: In the FREQUENCY, PERIOD, TOTAL, RPM modes,
measurement in progress is stopped; and the last complete
measurement is displayed. When HOLD is released, a new
measurement begins.
