Measurement Range

Impedance

50Ω,75Ω（1）

Test port connector

N-type, female

Number of test ports

2

Frequency range

300kHz to 3GHz/1.5GHZ(AT3230 AT3231

/AT3215)

Full CW frequency accuracy

Frequency resolution

±5×10-6

1Hz

Number of measurement points

2 to 10001

Measurement bandwidths

1Hz to 30kHz (with 1/1.5/2/3/5/7 steps)

Dynamic range (IF bandwidth 10 Hz)

125dB, typ.130dB

(1)use 75Ωconnectors via adapters

Measurement Speed

Measurement time per point

125μs

Source to receiver port switchover time

＜10ms

Typical sweep times versus number of

measurement points（IFBW 30kHz）

51

201

401

1601

Uncorrected（Start 300 kHz, stop 10 MHz）

13ms

52ms

104ms

413ms

Full two-port calibration（Start 300 kHz, stop 10

MHz）

46ms

123ms

226ms

844ms

Uncorrected（Start 10MHz, stop 3GHz/1.5GHz）

7ms

27ms

53ms

207ms

Full two-port calibration（Start 10MHz, stop 3

GHz/1.5GHz）

34ms

73ms

125ms

434ms

Measurement Accuracy

Accuracy of transmission measurements (magnitude / phase)

+5dB to +15dB

0.2dB/2º

-50dB to +5dB

0.1dB/1º

-70dB to -50dB

0.2dB/2º

-90dB to -70dB

1.0dB/6º

Accuracy of reflection measurements (magnitude / phase)

-15dB to 0dB

0.4dB/4º

-25dB to -15dB

1.5dB/7º

-35dB to -25dB

4.0dB/22º

Trace stability

Trace noise magnitude (IF bandwidth 3 kHz)

1mdB rms

Temperature dependence (per one degree of

temperature variation)

0.02dB

Effective System Data1

Effective directivity

45 dB

Effective source match

40 dB

Effective load match

45 dB

1applies over the temperature range of 23°C ± 5 °C after 40 minutes of warming-up, with less than

1 °C deviation from the full two-port calibration temperature, at output power of -5 dBm, and IF

bandwidth 10 Hz.

Test Port Output

Match (without system error correction)

15 dB

Power range

-55dBm to +10dBm

Power accuracy

±1.0dB

Power resolution

0.05dB

Harmonics distortion

＜-30dBc

Non harmonics distortion

＜-30dBc

Test Port Input

Match (without system error correction)

25 dB

Damage level

+26dBm

Damage DC voltage

+35V

Noise level (IF bandwidth 10 Hz)

＜-120dBm