เครื่องกำเนิดสัญญาณความถี่ ฟังก์ชั่นเจนเนอเรเตอร์ เครื่องสร้างความถี่ Cleqee JDS2900 15MHz digital control dual channel DDS function signal generator

ate — Tue, 13 Feb 2018 10:24:09 +0000

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JDS2900 digital control dual channel DDS function Arbitrary waveform signal generator, with a small size, easy to carry, good stability and other characteristics, the two channels are completely independent, all parameters can be achieved at the same time; can output function signal, pulse signal, Signals, digital signals and custom arbitrary waveform signals, and has a counter and measurement signal function; the use of large-scale FPGA integrated circuits, high-speed MCU microprocessors and high-precision oscillator as the basis of internal circuits, the signal more stable. SMT technology can greatly improve the anti-interference and life of the instrument; electronic engineers, electronic laboratories, research institutes and electronic enthusiasts worthy of the equipment.

Features:

Adopt 320*240 2.4″ TFT color LCD display, simultaneously display parameters of CH1 and CH2, Ability to reproduce patterns of custom waveform.
Using DDS direct digital synthesis technology to generate precise, stable and low distortion output signal.
Max. output frequency(sine wave) up to 15MHz/30MHz/40MHz/50MHz/60MHz(optional), 266MSa/s sampling rate and 14bits vertical resolution.
Completely independent dual channels output, synchronizing operation and adjustable phase difference.
Great improvement for square wave performance, square frequency range up to15MHzwith no distortion.
60 groups of arbitrary wave storage function, memory depth of each group is2048*14bits.
High frequency accuracy and resolution: frequency accuracy up to 10^(-6) magnitude, total range frequency resolution is 0.01uHz.
High amplitude resolution: the minimum amplitude resolution can reach 1mV, amplitude range is 0Vpp~20Vpp.
Duty-cycle of each channel can be adjusted independently0.1%-99.9%, the adjusting resolution is 0.1%.
Pulse pulse width and pulse cycle time is precisely adjustable, adjust the range of 30nS-4000S
Scanning features: linear sweep and logarithmic sweep functions; 0.1s-999.9s sweep time; sorward, backward and roundtrip sweep directions.
With pulse trains burst output function, allow the unit output 1~1048575 arbitrary pulse trains.
Measurement functions: can measure signal frequency, cycle, positive/negative pulse width and duty cycle; 1Hz~100MHz frequency range.
-9.99V~9.99V DC offset range, offset resolution: 0.01V.
With digital signal output function, CMOS output range 0~10V.
Storage feature: can store 100 groups of parameters set by the user and extract at any time.
Counter function: with DC and AC coupling modes.
Arbitrary wave editing function: user can edit arbitrary wave on PC and then download to output from the instrument.
Communication function: the PC can be used to control the instrument.
With output short-circuit protection: all signal output can work 60s under load short-circuit condition.

Frequency Characteristic:

Sine frequency range: 0~15MHz
Square frequency range: 0~15MHz
Triangle frequency range: 0~15MHz
Pulse frequency range: 0~6MHz
TTL digital frequency range: 0~6MHz
Arbitrary wave frequency range: 0~6MHz
Square rise time: ≤25nS
Pulse width adjustment range: 150nS-4000S
Mininum Frequency resolution: 0.01µHz(0.00000001Hz)
Frequency accuracy: ±20ppm
Frequency stability: ±1ppm/3h

Waveform Characteristic:

Waveform

Sine, Square, Triangle, Pulse (duty-cycle correction,Pulse width and cycle time adjustable), Arbitrary wave, CMOS, DC level, Half-wave, Full-Wave, Pos-Ladder, Neg-Ladder, Noise, Exponential Rise, Exponential Fall, Tone, Cink pulse, Lorentz Pulse, and 60 kinds user defined waveform.

Waveform vertical resolution

14 bits

Waveform sampling rate

266MSa/s

Waveform length

2048 points

Sine

Harmonic suppression

≥45dBc(<1MHz); ≥40dBc(1MHz~20MHz)

Total harmonic distortion

<0.8%(20Hz~20kHz,0dBm)

Square and Pulse

Overshoot (Square)

≤5%

Duty-cycle range(Pulse)

0.1%~99.9%

Ramp wave

Linearity

≥98%(0.01Hz~10kHz)

Output Characteristics:

Amplitude range

Frequency≤10MHz

10MHz

Frequency>30MHz

0Vpp~20Vpp

0Vpp~10Vpp

0Vpp~5Vpp

Amplitude resolution

1mV

Amplitude stability

±0.5%/5 h

Amplitude flatness

±5%(<10MHz); ±10%(>10MHz)

Waveform Output

Output impedance

50Ω±10%(typical)

Protection

Short circuit 60S will not be damaged

DC Offset

Offset adjusting range

Output amplitude >2V

0.2V

-9.99V~9.99V

-2.5V~2.5V

-0.25V~0.25V

Offset resolution

0.01 V

Phase characteristic:

Phase adjusting range

0~359.9o

Phase resolution

0.1o

TTL/COMS Output:

Low level

<0.3V

High level

1V~10V

Level rise/fall time

≤20ns

External Measurement Function:

Frequency meter function

Frequency measurement range

1Hz~100MHz

Measurement accuracy

Gate time continuously adjusted between 0.01S~10s

Counter function

Counting region

0-4294967295

Coupled mode

2kinds Coupling modes, DC and AC

Counting mode

Manual operation

Input signal voltage range

2Vpp~20Vpp

Pulse width measurement

0.01us (resolution), 20s (MAX measuring time)

Period measurement

0.01us (resolution), 20s (MAX measuring time)

Sweep Function:

Sweep channel

CH1 or CH2

Sweep type

linear sweep, log sweep

Sweep time

0.1s~999.9s

Setting range

Arbitrarily set between start point and stop points

Sweep direction

Forward, backward and round trip

General technical parameters:

Display

Display type

2.4 inch TFT color LCD

Storage and loading

Quantity

100 groups

Location

00 to 99(extract 00 place data at default boost state)

Arbitrary wave

quantity

1 to 60, totally 60 groups(default boost 15 groups)

Interface

Interface mode

USB to serial interface

Extension interface –

There is serial interface of TTL level mode to be convenient for secondary development.

Communication speed

Adopt standard 115200bps

communication protocol

Adopt command-line mode, open protocol

Power supply

Voltage range

DC5V±0.5V

manufacturing process

Surface-mount technology, large scale integrated circuit, high reliability, long service life

Warning tone

The user can set ON or OFF by procedure

Operating characteristics

Full button operation, knob continuous adjustment

Environmental conditions

Temperature: 0~40 oC Humidity:<80%

Weight

800g

Size

146*96*56mm

Package included:

1 x signal generator
1 x USB communication cable
1 x CD
1 x Power Adapter
2 x BNC Cable Clips
1 x Dual BNC straight line

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