Frequency Characteristics

ET3325

ET3340

Waveform types

Sine, square, triangle, pulse, noise and arbitrary waves (including DC)

Sine

1uHz ~ 25MHz

1uHz ~ 40MHz

Square

1uHz ~ 5MHz

1uHz ~ 10MHz

Triangle

1uHz ~ 500kHz

1uHz ~ 1MHz

Noise (-3dB)

7MHz Bandwidth

7MHz Bandwidth

Pulse

100uHz ~ 5MHz

100uHz ~ 10MHz

Arbitrary wave

1uHz ~ 5MHz

1uHz ~ 10MHz

Frequency Resolution

1uHz

Frequency Accuracy

±5ppm

Sine Wave Characteristics

Harmonic distortion

>1Vpp

0~1MHz: <-45dBc

1MHz~10MHz: <-40dBc

10MHz~20MHz: <-30dBc

20MHz~40MHz: <-25dBc

0~1MHz:     <-45dBc

1MHz~40MHz:       <-40dBc

Total harmonic distortion

<0.2% (20Hz-20kHz, 1Vpp)

Square Wave Signal Characteristics

Rise/fall

<20ns

Time

Overshoot

<5%

Duty cycle

≤100kHz: 1%~99%;

≤5MHz: 20%~80%;

≤10MHz: 40%~60% (0.1% resolution)

Dissymmetry

(50% duty cycle)

1% Period + 5ns

Jitter

6ns +0.1% Period

Ramp Wave Characteristics

Linearity degree

≤0.1% Peak output

Symmetry

0.0~100.0%(resolution 0.1%)

Pulse Wave Characteristics

Pulse width

Min 20ns;1ns resolution

Edge transition

time

Min 20ns

Overshoot

<5%

Jitter

6ns +0.1% Period

Arbitrary Wave Characteristics

Channel

CH1

CH2

Sampling speed

160MSa/S

160MSa/S

Waveform amplitude

resolution

12bits

10bits

Waveform length

16k

4k

Minimum rise/fall time

<20ns

<20ns

Jitter

6ns+30ppm

6ns+30ppm

Storage quantity

10 waveforms

10 waveforms

Output Characteristics

Amplitude (50Ω)

Range

1mVpp~10Vpp       ≤20MHz

1mVpp~5Vpp         >20MHz

1mVpp~3Vpp       ≤20MHz

Accuracy

±1% set value ±1mVpp(1kHz Sine,0 offset,>10mVpp)

Resolution

1mV or 3 bit

Flatness

(relative to 1K Sine, 1 Vpp)

±0.1dB,≤100kHz

±0.1dB,≤100kHz

±0.3dB,≤5MHz

±0.2dB,≤5MHz

±0.4dB,≤25MHz

±2dB,≤40MHz

Offset (50Ω)

Range

±5Vpk ,

ac + dc

±1.5Vpk ,

ac + dc

Accuracy

±(1% set value +5mV+0.5% amplitude)

Output impedance

50Ω

Protection

Short circuit protection, automatically disables the waveform output when overloading

SYNC Output

Level

TTL compatibility

Impedance

50Ω

Rise/fall time

<25ns;

Maximum frequency

25MHz

AM Modulation (CH1)

Carrier wave

Sine, square, ramp, pulse and arbitrary waveforms (excluding DC)

Source

Internal/external

Modulation wave

Sine, square, triangle and ramp

Modulation frequency

2mHz~20kHz

Modulation depth

0%~120%

FM Modulation (CH1)

Carrier wave

Sine, square, ramp, pulse and arbitrary waveforms (excluding DC)

Source

Internal/external

Modulation wave

Sine, square, triangle and ramp

Modulation frequency

2mHz~20kHz

Frequency offset

0~Maximum carrier frequency

FSK Modulation (CH1)

Carrier wave

Sine, square, ramp, pulse or arbitrary waveforms (excluding DC)

Source

Internal/external

Modulation wave

Square wave of 50% duty ratio

Keying frequency

2mHz~1MHz

Frequency Sweep (CH1)

Carrier wave

Sine, square, ramp, pulse and arbitrary waveforms (excluding DC)

Types

Linearity/Logarithm

Start/Stop Frequency

1uHz~Maximum carrier frequency

Sweep frequency time

1ms~500s

Trigger source

Manual operating, internal, external

Burst characteristics (CH1)

Carrier wave

Sine, square, ramp, pulse, noise and arbitrary waveforms (excluding DC)

Pulse count

1~65535 or infinite, gated

Start/stop phase

0~360°

Internal period

1us~500s

Gating source

External

Trigger source

Internal, external, manual operating

Frequency Meter

Frequency range

1Hz~160MHz

Frequency resolution

6 bit/s

Voltage range

and sensitivity

100mVpp~5Vpp

Input adjustment

input impedance

1MΩ

coupled modes

AC

Trigger Input

Level

TTL compatibility

Slope

Rise/Fall

Pulse width

>100ns

Reaction time

<500ns(burst)

<10us(sweep frequency)

Modulation Input

Impedance

1MΩ

Signal range

±5V ac + dc