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KKmoon高精度デジタルDDSデュアルチャンネル信号源発生器任意波形周波数計200MSa / sの25MHzの

KKmoon高精度デジタルDDSデュアルチャンネル信号源発生器任意波形周波数計200MSa / sの25MHzの

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在庫: china

プラグ:

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任意波形 DDS 信号発生器は、高精度・高性能多機能信号発生器です。それは反干渉と楽器の寿命を大幅に改善できる内部の回路の FPGA の集積回路、高速 MCU マイクロプロセッサと SMT の大規模を採用しています。液晶表示が 2 行に分かれています: 一番上の行は、現在の周波数を示す、追加のパラメーターや関数に次の行が表示されます。この楽器は、大きな利点の生成信号スキャン波形、測定パラメーターなどです。理想的なテストまたは電子工学のエンジニア、電子研究所は、教育や研究のための測定器です。

特徴:
は、任意の波形と従来関数波形 (正弦/三角形/スクエア/のこぎり波と TTL 信号) を出力できます。
のすべての機能は、デジタル制御、精密で安定しました。
デュアル出力、同期働ける、位相差は調整可能です。線形スイープ (999s まで最大) と対数周波数掃引機能

両方のチャンネルの信号が組み込まれて洗練された - 最小振幅分解能 1 mv に達するために 20 db アッテネータをいます。120 %
~ + 120 %dc バイアス機能。
4 TTL 出力 (位相差は調整可能です)。
は、周波数測定、周期測定、正と負のパルス幅測定、デューティ サイクル計測、集計機能を搭載。
の USB インタ フェース、計測器を制御するで、PC との接続後を使用できます。

仕様: 出力 DC 5 v
プロジェクト パラメーター
主な特長 周波数範囲 正弦波

ノーマル モード: 0 Hz 〜 25 MHz

0 Hz の矩形波 ~ 6 MHz
三角波 0 Hz 〜 6 MHz
のこぎり波 0 Hz 〜 6 MHz
任意波形 0 Hz 〜 6 MHz
TTLデジタル信号波 0 Hz 〜 6 MHz
出力変調 周波数掃引
波形の種類 サイン/三角形/スクエア/リフティング ノコギリ波、CMOS デジタル信号波、任意波形
波形長 2048Points
サンプリング レート 200MSa/s
波形振幅分解能 12 ビット
、分周波数分解能 10 mHz
周波数誤差 +/-5*10^(-6)
周波数安定度 +/-1*10^(-6)
振幅 Range(Peak to Peak)

5mVp p ~ 20Vp p

出力インピー ダンス 50Ω(+/-10%)

1mVp p 振幅分解能 (-20 db 減衰)

10 mvp-p (減衰なし)

オフセット範囲 -120% ~ 120% (バイアス電圧の比率と信号振幅)
バイアス解像度 1%
位相範囲 0 〜 359 °
段階解像度 1 °
正弦波 高調波到着システム 40dBc(<1MHz);35dBc(1MHz~20MHz)
歪み < 0.8%(20Hz~20KHz)
矩形波 時間に沿って解除 ≤20ns
オーバー シュート ≤10%
デューティ サイクル調整範囲 0% ~99.9%
TTL 時間に沿って解除 ≤20ns
低レベル < 0.3 v
高レベル 1 v 〜 7.5 v
任意波形 16
メモリの深さ/グループ 1 KB/16
スキャン スキャン モード 線形スイープ、スイープ ログ
スキャン時間 999s 1
スキャン範囲 、スイープ パラメーター設定
外部計測 周波数測定範囲

ゲート時間によって決定されます = 10 秒 0.1 Hz-60 MHz

ゲート時間 = 1 秒 1 Hz-60 MHz

ゲート時間 = 0.1 10 Hz-60 MHz

ゲート時間 = 0.01S 100 Hz-60 MHz

入力電圧範囲

0.5Vp-p 〜 20Vp p
カウント範囲 0 〜 4294967295
カウント 手動で
正と負のパルス幅測定 10 ns の解像度、最大。測定可能な 10
周期測定 20 ns の時間分解能、最大。測定可能な 20 代
デューティ サイクル測定 0.1% 0.1% ~99.9%
は、元の選択範囲の 1 から測定範囲、解像度。オートゼロ入力 (AC 信号);2. TTL の Input(Digital Signal)
メモリ 10
場所 M0 〜 M9
インターフェイス インターフェイス モード を使用して USB シリアル ・ インタ フェース
通信速度 57600 bps
プロトコル コマンドラインを使用するには、、契約公共
電源 米国プラグ/EU プラグ (省略可能) です。入力 AC 100-240 v
一般的な
サイズ 19.5 * 17.5 * 7 cm/7.67 * 6.9 * 2.75 で
重量 525 g/18.54 oz
パッケージ サイズ 24 * 21 * 9.5 cm/9.45 * 8.3 * 3.74 で (L * W * H)
パッケージ重量 950 g/33.51 oz

パッケージ一覧:
1 * 信号ソース ジェネレーター
1 * USB ケーブル
1 * CD
1 * TTL 拡張ボード
1 * 電源アダプター
2 * BNC クリップ ケーブル

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総合評価:

4.6

に基づいて 26 お客様の評価

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  • By g***j

    March 13, 2018

    Item as described. Good seller. Recommended!

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  • By Radio Guy

    November 27, 2017

    This is an inexpensive signal generator that offers a lot for the low price. While expensive test gear will outperform this - for many uses this generator is really handy. Before I purchased this I checked out videos on you tube and was generally impressed with what you could do with an inexpensive piece of test gear. Some of the videos showed some ring on a square wave from the generator. The model I received did not have this problem so I suspect that the generator design may have been touched up to take care of this small issue. Overall the generator give the hobbyist a lot of capability. For my use it's been great.

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  • By AUgie the Prospector

    November 19, 2017

    All I've done is try out the built-in capabilities, just to be sure it wasn't DOA, and was a version with the advertised features. Everything works as expected. Any shortcomings in signal quality are minor and expected given the price point. I connected it to the Siglent SDS1102CML digital scope for these tests, and was reminded how easy that oscilloscope is to use as well. First, anyone interested in learning about this signal generator will find a lot more online about the model MHS-5200A, which appears to be the exact same unit, under a different name. There are reviews and upgrades, including fixing the over-bright display (a minor issue) and correcting some of the distortion in the sine wave output (how important this is depends on how spectrally pure an output you need). There is also some aftermarket software hobbyists have developed for uploading arbitrary waveforms, if the supplied software doesn't meet your needs. Some people have even managed to "close the loop" and download waveforms captured on their digital storage scopes (like the one I use) into their computer, edit them, and then upload them into the signal generator. This is way more than I need - I'll likely never attach it to a computer - but some users of this device will doubtless want to follow these brave hardware hackers' lead. A nice English manual is available from one of the serious hobbyist sites, and maybe other places too. It was written by an English-speaking hobbyist based on the Chinese manual and online sources - it covers all the basic internal functions with clarity. I don't like posting links, so just Google it yourself. Search for MHS5200.pdf. Follow a result on eevblog.com about reverse engineering the serial protocol, look at post number 18 and you'll see a link to the pdf file on github. It scans clean of malware and is very clearly written. However you find it, it will be useful. While I didn't have my scope analyze for spectral purity (see MHS-5200A YouTube videos for that), I did run the generator through its built in paces. As others have noted, the square wave begins losing its crispness much above 1 MHz, and is pretty "round" by the advertised 6 MHz. Sine waves look pretty good all the way to 25 MHz. Locking the two channels works, all the wave shapes work. Adjusting the duty factor of square waves works. Adjusting the relative phases of the two channels works. Sweeping the frequency works as advertised. The input frequency counter works in its various frequency, period, duty factor, etc., modes, including when feeding back one of the output channels into it, set up prior to moving to the signal input part of the menu. (Not that anyone with a modern digital oscilloscope needs this feature.) I didn't test the rear panel TTL inputs or outputs. I also didn't try saving a setup of the controls into one of the internal memories (probably works). Adjusting the amplitude works, but I forgot to try the offset - I'm sure it works too. I noticed that the square wave has a small "back porch" (slight drop in level near the trailing edge), even at low frequencies, but is within the range of expected signal impurities and would just about never be an issue. Amplitudes and frequencies agreed extremely well between the signal generator and my digital scope. Conclusion; This seems to be the exact same device as the more commonly discussed MHS-5200A, and all the features and functions that I tested work as expected (none involving a computer were tried). It is a great value for what it can do and has even more potential when interfaced to a computer, or if modified for greater spectral purity. Amazon seems to be selling, in the KKmoon, an MHS-5200A under a different name, for a very good price. I saw no issues with the build quality or construction of my unit. Finally, I didn't find the controls as hard to fathom as I expected. They can be a little slow to navigate, but with a few minutes use they seemed fairly natural and required no reference to the manual. The English manual did come in handy preventing a lot of guessing at a few points, so I do recommend it highly.

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  • By Mike M

    November 18, 2017

    I was particularly interested in testing two-phase stepper motors. The TTL outputs are perfect for this job. Not only are there two channels but each includes its inverted complement. These four signals are just what's needed to drive a dual H-bridge such as an L298N. Setting the PHASE to 90 degrees creates proper waveforms and turning on the TRACE mode keeps both channels at the same frequency. You can now turn the dial to easily control motor speed. Change the PHASE to 270 degrees to rotate in the opposite direction. The frequency sweep function is handy for ramping up motor speed and testing slew rates. If you have a sensor on your drive train it can be wired to this frequency counter to confirm actual speed. All setups are easily stored in memory for later recall. User interface is better than expected. Build quality is good and the "wall wart" power supply is UL listed for safety. A great buy.

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  • By E. Nusbaum

    November 3, 2017

    Great signal generator for the money, tons of functions and abilities. My only complaint is that at low voltages (>500mv) the signal is pretty noisy on the scope. Otherwise, performs very well.

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  • By Aaron M. Johnson

    November 1, 2017

    The UI is rather clumsy, but it generates all signals I needs for a pretty good price.

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  • By Ralph Braun

    October 31, 2017

    Good for hobby work. Menu takes so getting use to

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  • By I***i

    October 30, 2017

    It works nicely and a am glad the signal is variable.

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  • By Oldguy

    October 29, 2017

    Seems to be quite accurate, checked with my Digital Oscope. It comes with a piece of software for Windows. With the software, connected through USB to a Windows computer, it is a lot easier to set parameters. On the other hand, the computer has to be running for the software to be used, duh. Of course! There is however a flaw / bug in the device firmware during power on. At times when powered on, the display is corrupted and so are the control functions. Power off and on again has fixed it in the past. Otherwise, at the price to performance ratio, it is quite usable for some bench projects. I don't know why it sometimes doesn't initializes at first power on. From my own experience in programming micro controller, I guess there isn't enough delay to initialize the micro.

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  • By Edward Zukowski.

    October 27, 2017

    Provides stable signals.So far,it is doing everything that I need it to do for the radio projects that I'm working on.Like it.

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  • By Tara P.

    October 10, 2017

    They are not joking about how precise this generator is.

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  • By TIMOTHY HADLEY

    October 6, 2017

    It's a lot of machine for the money. Basic to a degree but all you need for a regular engineer

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  • By Jesse L.

    October 3, 2017

    Perfect, so far works as ecpectec and with precision, cheap and looks well in my lab

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  • By l***x

    September 20, 2017

    It has a few minor issues with signal quality at very low frequencies or very high duty cycles, but nothing terrible. You probably aren't going to find a better dual channel DDS signal generator for this price.

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  • By Luhan

    September 5, 2017

    What an amazing use of micro-controllers for direct signal generation. A bit cheesy use of just 6 click buttons, but a real nice encoder knob for the many adjustable parameters and features up the wahzoo.. Locating the (large) knob at the far right is the best ergonomic location if you ask me. I've been working in electronics since age 13, that's lots of years ago and I know great engineering when I see it.

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  • By Skyler

    August 31, 2017

    Works well in my projects.I’m very pleased with the quality

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  • By Lee Cramer

    August 28, 2017

    Well worth the money. I was considering building a signal generator until I came across this. Rock-solid waveforms right up to 25MHz. UPDATE: Frequency adjustment stopped working today, one week after the return cutoff date. No way to contact seller. UPDATE 2: Several attempts at disconnecting power and rebooting failed to solve the problem. However, after spending a day on the shelf I decided to attempt some troubleshooting. When I powered it up, it was working to specs again.

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  • By Martin Peck

    August 28, 2017

    Works great.

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  • By Kimberly N. Marshall

    August 23, 2017

    Great product as expected.

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  • By Emily M Lopez

    August 1, 2017

    Works well and better than expected.Great value.

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