Atec TA320 User Manual

TA320

SPECIFICATIONS

Specifications Related to Inputs/Outputs

● Inputs to A and B Channels

Item

1

Input impedance*
Frequency characteristics

1

(-3 dB)*
Input coupling

Operating voltage range
Maximum input voltage

Amplifier noise*
Sensitivity
Minimum input pulse

width
Trigger level

50 Ω /1 MΩ (input capacitance: 20 pF)

100 MHz
DC/AC (input impedance: 1 MΩ: cutoff frequency 35 Hz;

–5 to + 5 V
50 Ω: 5 Vrms

1 MΩ: 40 V (DC + ACpeak)

1

400 µVrms
100 mVp-p

10 ns

Voltage rangesetting
Accuracy *

2

Resolution

Auto trigger

Input signal condition
Method
Setpoint time*

● External Arming Input (the terminal is shared by external gating inputs)

Item

Impedance*
Coupling
Trigger level
Maximum voltage range
Minimum input pulse width
Setup time

1

10 kΩ
DC
TTL
–8 to +13 V (DC+ ACpeak)
30 ns
70 ns (In order for arming input to be valid, it must

precede the measured signal by no less than 70 ns.)

Specifications

: 50 Ω: cutoff frequency 680 kHz)

(DC ≤ input frequency ≤ 100 kHz)

3.5/f (MHz) + 5 V (DC + ACpeak)
(100 kHz < input frequency ≤ 100 MHz)

+5 to –5 V
±(10 mV + 4% of setpoint)
5 mV
1 kHz to 50 MHz

1

Singe/Repeat

0.7 s

Specifications

● External Inhibit Input

Item

Input impedance*

1

Input coupling
Trigger level
Maximum input voltage

range
Minimum input pulse width
Setup time

10 kΩ
DC
TTL

–8 to +13 V (DC + ACpeak)
30 ns

70 ns (In order for inhibit input to be valid, it must
precede the measured signal by no less than 70 ns.)

Specifications

● Monitor Outputs A and B

Outputs impedance*

Item

Outputs signal level*

1

50 Ω

3

Approximately 1/4 of the input signal (within ±5 V)

Specifications

● Reference Input

Frequency range

Item

Impedance
Coupling
Voltage level
Maximum voltage range

10 MHz ± 10 Hz
1 kΩ min.
AC
1 Vp-p min.
–10 to + 10 V

Specifications

● Reference Output

Item

Frequency*
Impedance*
Coupling
Voltage level*

Note: All inputs are diode-protected and terminal grounds are connected to the

1

: Typical value.

*
*2: The value when the warm-up time has expired under the reference operating

3

: The value when the output is received into 50 Ω at a 1 MΩ input impedance.

*

1

1

1

10 MHz
50 Ω min.
AC
1 Vp-p min.

enclosure’s ground.

conditon with the coupling and input impedance set at DC and 1 MΩ, respectively.

Specifications

Specifications Related to Measurement

● Sampling Modes

Time stamp mode

Hardware histogram mode

● Sampling

Maximum sampling rate

Sampling period

Maximum sample size

● Measurement Refresh Rate (hardware histogram mode only)

Refresh rate*

Item

Item

Item

1, *2

Acquires measurements along with “time stamp” data, which represent the time that the respective measurements occurred, to record a set of these
data as time-series data.

Records measurements as the frequency data for a histogram.

Time stamp mode

7 M samples/s (142-ns intervals) in the case of phase difference and duty ratio measurements

MIN (71ns)
1, 2, 4, 10, 20, 40, 100, 200, 400 µs, 1, 2, 4 ms.
The total sampling time is 320 seconds, including the time for arming.

Duty ratio and phase difference measurements: 16,000 samples
Other emasurements: 32,000 samples

Specifications

Specifications

Continuous 14 M samples/s (71-ns intervals);

The total sampling time is 320 seconds.

99,999,999 samples, (10
excluding duty ratio and phase difference measurements

Specifications

400 ms

Hardware histogram mode

8

-1)

TA320

● Period

Item

Measuring range
Display resolution

Resolution*

Accuracy*
Trigger slopes

1

1

30 ns to 100 ms

100ps
±300 ps rms ± √2 × trigger error

● Pulse Width

Item

Measuring range
Display resolution

Resolution*

Accuracy*
Trigger slopes

1, *3

1

30 ns to 100 ms

100 ps
±300 ps rms ± rising trigger error ± falling trigger error

● Duty Ratio (time stamp mode only)

Measuring range
Display resolution

Resolution*

Accuracy*

Trigger slopes

Item

1

1

0 to 99.999% (pulse width: 71 ns to 100 ms)

The larger value, either 0.001% or
Period

measured pulse width + | pulse-width resolution |

±

( )

measured period –√2 × | pulse-width resolution |

measured pulse width + | pulse-width accuracy |

±

( )

measured period – √2 × | pulse-width accuracy |

Specifications

Time stamp mode

±300 ps rms ±√2 × trigger error ±(timebase frequency stability × measured period) ±300-ps systematic error

Time stamp mode

±300 ps rms ±(timebase frequency stability × measured pulse width) ± trigger level timing error ±1-ns systematic error

22T*

loops

4

× 100%

– measured duty ratio

– measured duty ratio

30 ns to 3.2 µs
The larger value, either 100 ps or

200
The larger value, either ±300 ps rms or display resolution, ± √2 × trigger

error

Specifications

30 ns to 3.2 µs

The larger value, either 100 ps or
200

The larger value, either ±300 ps rms or display resolution,
± rising trigger error ± falling trigger error

Specifications

Hardware histogram mode

the histogram span setting

Hardware histogram mode

the histogram span setting

● A-to-B Interval

Item

Measuring range
Display resolution

Resolution*

Accuracy*
Trigger slopes

Conditon for continuous
measurement*

1, *5

1

6

5 ns to 100 ms

100 ps

±300 ps rms ±A-input trigger error ±B-input trigger error

±300 ps rms ±(timebase frequency stability × measured A-to-B interval) ± trigger level timing error ±1-ns systematic error

Time stamp mode

A A

B

B

The B-to-A interval must be greater than 30 ns.

● A-to-B-to-A Interval

Item

Measuring range
Display resolution

Resolution*

Accuracy*
Trigger slopes

1

1

A to B: 30 ns to 100 ms; B to A: 30 ns to 100 ms

100 ps

±300 ps rms ± A-input trigger error ±B-input trigger error

±300 ps rms ±(timebase frequency stability × measured A-to-B-to-A interval) ± trigger level timing error ±1-ns systematic error

Time stamp mode

A

A

B

● Phase Difference (time stamp mode only)

Measuring range
Display resolution
Resolution*

Accuracy*

Trigger slopes

*1: The value when, under the reference operating conditon, the warm-up time has expired.

2

*

Item

1

1

: The value when the period of a 1-MHz sine wave is measured with an event size of 1000.

0 to 360 degrees (where, A to B: MIN (71 ns); B to A: 30 ns min.)

0.01 degree
measured A-to-B interval + | A-to-B interval resolution |

±

( )

measured A-input period –√2 × | A-to-B interval resolution |

measured A-to-B interval + | A-to-B interval resolution |

±

( )

measured A-input period – √2 × | A-to-B interval resolution |

A A

B

B

B

A

A

B

Specifications

5 ns to 3.2 µs
The larger value, either 100 ps or

200
The larger value, either ±300 ps rms or the display resolution,

± A-input trigger error ±B-input trigger error

B

A

Specifications

AA

B B

Specifications

measured phase difference

measured phase difference

A

B B

A to B: 30 ns to 3.2 µs; B to A: 30 ns to 3.2 µs
The larger value, either 100 ps or

200
The larger value, either ±300 ps rms or display resolution,

± A-input trigger error ± B-input trigger error

B

A

A

Hardware histogram mode

A

A

B

Hardware histogram mode

A

A

the histogram span setting

the histogram span setting