OUTPUT VOLTAGE
-
Output Power/-
-
OUTPUT
48000
8P_SMD_1.0/24+
原裝現(xiàn)貨,可開(kāi)專票,提供賬期服務(wù)
OUTPUT
5000
8P_SMD_1.0/24+
優(yōu)勢(shì)渠道現(xiàn)貨,提供一站式配單服務(wù)
OUTPUT
63422
8P_SMD_1.0/2215+
原裝現(xiàn)貨,可提供一站式配套服務(wù)
OUTPUT
3000
8PN/ASMDN/A1.0/N/A
原裝正品熱賣(mài),價(jià)格優(yōu)勢(shì)
OUTPUT
5000
8P_SMD_1.0/23+
優(yōu)勢(shì)產(chǎn)品大量庫(kù)存原裝現(xiàn)貨
OUTPUT
8000
8P_SMD_1.0/22+
原裝現(xiàn)貨,配單能手
OUTPUT
15800
8P_SMD_1.0/24+
旋爾只做進(jìn)口原裝,假一賠十...
OUTPUT
40000
-/2024+
原廠原裝現(xiàn)貨庫(kù)存支持當(dāng)天發(fā)貨
OUTPUT
6608
8P_SMD_1.0/2024+
現(xiàn)貨假一罰萬(wàn)只做原裝現(xiàn)貨
OUTPUT
60701
8P_SMD_1.0/24+
深圳原裝現(xiàn)貨,可看貨可提供拍照
OUTPUT
23412
8P_SMD_1.0/23+
提供一站式配單服務(wù)
OUTPUT
200
CAN/TO3/2024
上海原裝現(xiàn)貨庫(kù)存,歡迎查詢
OUTPUT
41101
8P_SMD_1.0/-
大量現(xiàn)貨,提供一站式配單服務(wù)
OUTPUT
228000
NR/2017+
誠(chéng)研翔科技,專業(yè)配單公司,可開(kāi)增值稅發(fā)票
OUTPUT
78000
8P_SMD_1.0/2019+
原裝歡迎詢價(jià)
OUTPUT
65286
-/21+
全新原裝現(xiàn)貨,長(zhǎng)期供應(yīng),免費(fèi)送樣
OUTPUT
8391
8P_SMD_1.0/22+
特價(jià)現(xiàn)貨,提供BOM配單服務(wù)
OUTPUT
228000
NR/2017+
誠(chéng)研翔科技,專業(yè)配單公司,可開(kāi)增值稅發(fā)票
OUTPUT
5000
A/N/22+
一站式配單,只做原裝
max6954/max6955是4線或2線串行接口的led驅(qū)動(dòng)器,可以控制7段、14段或16段led或一個(gè)16x8的led矩陣。驅(qū)動(dòng)器還包括5個(gè)i/o擴(kuò)展(gpio)端口,以及用這些端口自動(dòng)掃描32個(gè)按鍵、消除按鍵抖動(dòng)的所有邏輯控制。另外一個(gè)功能選項(xiàng)是通過(guò)一個(gè)中斷引腳通知系統(tǒng)處理器消除鍵抖。本文介紹的擴(kuò)展按鍵掃描方案(從32鍵擴(kuò)展到80或更多個(gè)按鍵)需要增添額外的二極管。 表1. max6954/max6955的標(biāo)準(zhǔn)32鍵連接 p0 p1 p2 p3 led output o0 sw a1 sw b1 sw c1 sw d1 led output o1 sw a2 sw b2 sw c2 sw d2 led output o2 sw a3 sw b3 sw c3 sw d3 led output o3 sw a4 sw b4 sw c4 sw d4 led output o4 sw a5 sw b5 sw c5 sw d5 led output o5 sw a6 sw b6 sw c6
ple linear controllers with only basic protection and control circuitry to switching dc/dc converters with integrated switches and features to meet user demands, such as reduced charge time. early linear charger ics had lower efficiency, computed as output voltage over input voltage, and therefore either their input voltage or their charging current was limited by the power dissipation capabilities of the package. recently, semiconductor manufacturers have been developing not only processes with low
design considerations for 500w class d automotive subwoofer amplifiersclass d designs promise higher output power within a given automotive electronics system volume. but converting to a class d from a class ab amp is challenging because the modes of operation are significantly different and circuit protection schemes must also be adapted for the different topologies.by johan strydom and jun honda, international rectifier in audio applications there is a trend towards class d audio amplifiers as rep
simple switcher? power module with 42v maximum input the lmz14203h simple switcher power module is an easy-to-use step-down dc-dc solution capable of driving up to 3a load with exceptional power conversion efficiency, line and load regulation, and output accuracy. the lmz14203h is available in an innovative package that enhances thermal performance and allows for hand or machine soldering. the lmz14203h can accept an input voltage rail between 6v and 42v and deliver an adjustable and highly accura
info=null; unsigned long len=0; cstring macaddress; cstring description; cstring type; cstring subnet; cstring ipaddress; cstring gateway; cstring primarywinsserver; cstring dhcp; void getinfo(); void parsedata(); void output(cstring str); void main() { cout《"------------------------網(wǎng)卡信息檢測(cè)---------------------n"; getinfo(); } void getinfo() { if (pinfo!=null) delete (pinfo); unsigned long nerror; nerror = getadaptersinfo(pinfo,&len); //1??üoˉê
由于GE有效,所以芯片本身處于使能狀態(tài),但是根據(jù)OE,輸出緩沖器將處于禁止?fàn)顟B(tài)。因?yàn)橹灰€(wěn)定地址總線,使CE有效,就可以針對(duì)ROM內(nèi)部的存儲(chǔ)器單元進(jìn)行訪問(wèn),所以在輸出禁止模式下,首先進(jìn)行內(nèi)部操作,然后使OE有效,...
has an individually-adjustable, 4096-step, pulse width modulation (pwm) grayscale (gs) brightness control and 128 step constant-current dot correction (dc). the dot correction adjusts brightness deviation between channels and other led drivers. the output channels are grouped into three groups of eight channels. each channel group has a 256-step global brightness control (bc) function and an individual grayscale clock input. gs, dc, and bc data are accessible via a serial interface port. dc and bc
r 鐵心線圈/變壓器 纏繞在磁心上的線圈/變壓器以提高它的電感量。音頻鐵心線圈或變壓器的鐵心是由互相絕緣的硅鋼片疊成。射頻線圈或者射頻變壓器是用粉未鐵心。這種鐵心是用粉未狀的鐵粒與粘合劑的混合物做成的,粘合劑把鐵顆粒分開(kāi)。 isc max 最大短路電流 在限定的最大操作電壓下,測(cè)試polyswitch正溫度系數(shù)熱敏電阻,所得之最大短路電流。 isdn 綜合服務(wù)數(shù)字網(wǎng)絡(luò)-一種ccitt網(wǎng)絡(luò)標(biāo)準(zhǔn)。它提供端對(duì)端、同時(shí)處理在同一鏈路上流通的數(shù)字化的聲音和數(shù)據(jù)。 isolated output 隔離輸出 參閱“浮動(dòng)輸出”。 isolation 絕緣材料 用絕緣材料在電氣上把轉(zhuǎn)換器的輸入與輸出分開(kāi)。在正常的情況下,它取決于變壓器的特性及組件的間離。絕緣材料的指針是用電阻數(shù)值(riso,單位為兆歐)及電容數(shù)值(ciso,單位為pf)表示。 isolation capacitance 絕緣電容 參閱“絕緣材料”。 isolated resistance 絕緣電阻 參閱“絕緣材料”。 isolation transformer 隔離變壓器 變比等于一比一的變
游車(chē)狀態(tài)下可以看到節(jié)氣門(mén)在怠速電機(jī)驅(qū)動(dòng)下進(jìn)行回饋調(diào)節(jié),開(kāi)空調(diào)時(shí)怠速提升正常。由此判斷怠速控制系統(tǒng)正常。那么故障是不是由錯(cuò)誤的空氣流量信號(hào)引起的呢?于是用傳感器模擬測(cè)試儀add91從流量計(jì)信號(hào)輸出端將怠速時(shí)的模擬電壓值輸入計(jì)算機(jī),當(dāng)輸入電壓為1.3v左右時(shí),怠速游車(chē)現(xiàn)象消失。重新啟動(dòng)發(fā)動(dòng)機(jī),不再出現(xiàn)怠速游車(chē)現(xiàn)象。更換空氣流量計(jì)后,故障排除。 操作方法 1.根據(jù)原廠維修手冊(cè),獲得需要模擬的傳感器的標(biāo)準(zhǔn)數(shù)值。 2.關(guān)閉點(diǎn)火開(kāi)關(guān),斷開(kāi)傳感器的電子連接接頭。黑色表筆插到儀器的“output—”的插孔,另一端搭鐵(使用鱷魚(yú)夾),紅色表筆插到“+output”插孔,另一端與傳感器的輸入信號(hào)線連接(可以使用萬(wàn)用測(cè)試線),如圖2所示。 3.旋轉(zhuǎn)功能選擇按鈕,選擇信號(hào)模擬功能“output”。按“hz/duty”選擇鍵,進(jìn)入占空比調(diào)整功能,旋轉(zhuǎn)占空比調(diào)整旋鈕,使占空比為0000,同時(shí)頻率自動(dòng)調(diào)整到00000。 4.按“select”選擇鍵,進(jìn)入電壓調(diào)整模式,將電壓值調(diào)整到維修手冊(cè)規(guī)定的標(biāo)準(zhǔn)數(shù)據(jù)。 提示:可以使用解碼器數(shù)據(jù)流的功能,觀察傳感器的信號(hào)變化。
境。在 design insight 模式下開(kāi)發(fā)的特性能跨多個(gè)文檔類型與設(shè)計(jì)編輯器工作,并能在整個(gè)環(huán)境中提供高效的解決方案,以便跨多個(gè)項(xiàng)目與設(shè)計(jì)領(lǐng)域解決設(shè)計(jì)復(fù)雜性不斷提高的管理難題。 最新的設(shè)計(jì)數(shù)據(jù)發(fā)布特性進(jìn)一步完善設(shè)計(jì)發(fā)布管理 在電子產(chǎn)品的整個(gè)壽命期間,需要以多種形式發(fā)布多種不同的文件,其中包括制造文件、各類設(shè)計(jì)文件、文檔所需的文件、規(guī)范文件、采購(gòu)材料單,以及各種其他的數(shù)據(jù)。如果不做好管理工作,那么收集上述信息的工作量將非常大,而且會(huì)帶來(lái)問(wèn)題。 altium 顯著簡(jiǎn)化了通過(guò) output job 編輯器生成正確輸出的工作,可通過(guò)編輯器提供的統(tǒng)一界面定義所有需要的輸出。信息能夠以項(xiàng)目級(jí)存儲(chǔ),從而確保設(shè)計(jì)人員隨時(shí)都能重復(fù)創(chuàng)建任意所必須的輸出文件。 現(xiàn)在,altium 在 output job 編輯器中增加了 output media 選項(xiàng),進(jìn)一步簡(jiǎn)化了生成不同輸出文件類型的工作,使設(shè)計(jì)人員能將多種輸出整合為單個(gè)媒體類型。舉例來(lái)說(shuō),設(shè)計(jì)人員可在同一 pdf 輸出中整合結(jié)構(gòu)圖、合成的 pcb 板面圖以及材料清單(bom)等。 設(shè)計(jì)人員可自定義并命名多個(gè)同類的 media o
境。在 design insight 模式下開(kāi)發(fā)的特性能跨多個(gè)文檔類型與設(shè)計(jì)編輯器工作,并能在整個(gè)環(huán)境中提供高效的解決方案,以便跨多個(gè)項(xiàng)目與設(shè)計(jì)領(lǐng)域解決設(shè)計(jì)復(fù)雜性不斷提高的管理難題。 最新的設(shè)計(jì)數(shù)據(jù)發(fā)布特性進(jìn)一步完善設(shè)計(jì)發(fā)布管理 在電子產(chǎn)品的整個(gè)壽命期間,需要以多種形式發(fā)布多種不同的文件,其中包括制造文件、各類設(shè)計(jì)文件、文檔所需的文件、規(guī)范文件、采購(gòu)材料單,以及各種其他的數(shù)據(jù)。如果不做好管理工作,那么收集上述信息的工作量將非常大,而且會(huì)帶來(lái)問(wèn)題。 altium 顯著簡(jiǎn)化了通過(guò) output job 編輯器生成正確輸出的工作,可通過(guò)編輯器提供的統(tǒng)一界面定義所有需要的輸出。信息能夠以項(xiàng)目級(jí)存儲(chǔ),從而確保設(shè)計(jì)人員隨時(shí)都能重復(fù)創(chuàng)建任意所必須的輸出文件。 現(xiàn)在,altium 在 output job 編輯器中增加了 output media 選項(xiàng),進(jìn)一步簡(jiǎn)化了生成不同輸出文件類型的工作,使設(shè)計(jì)人員能將多種輸出整合為單個(gè)媒體類型。舉例來(lái)說(shuō),設(shè)計(jì)人員可在同一 pdf 輸出中整合結(jié)構(gòu)圖、合成的 pcb 板面圖以及材料清單(bom)等。 設(shè)計(jì)人員可自定義并命名多個(gè)同類的 media o
e max7219 needs serial interface, like spi. this enables me to use a 20-pin 89c4051 mcu, since the pin counts for i/o port is quite limited. the 8-digit led lets me have four timers, each will have two digit. i can set say, 00-99mins or 0-99hrs. the output would be open collector with my favorite 7407! figure 1: the prototype of xtiemr v1.0.the led module with max7219 is a ready made having 10-pin header for easy plugin to the 4051 board. as shown in fig. 1, four keys are used to set time for each t
circuit. the mcu, 89c2051 runs with 3.579mhz xtal. sw2 is for clock setting, when pressed, time will be 18:00. p3.7 drives tick led with small sink current. r5, 4.7k limits less than one ma for d5. p3.0 provides 5hz clock signal for calibration. the output bit is p1.6. it drives pnp transistor, q1. r3 limits base current. r5 pull base pin to +v when p1.6 is logic '1' to fully turn off q1. r4 limits dc current injected to q2, mac97 small triac. lp1 is incandescent 25w lamp. the lamp's wattage can be up
hen 'a, b, c & d' are pressed in the right order and within the time set by c1 and r2 (about 10 seconds), current through r11 switches q6 on. the relay energizes, and then holds itself on by providing base current for q6 through r12. the 12-volt output switches from the "off " to the "set " terminal, and the led lights. to switch the alarm off again it is necessary to press a, b, c, d & e in the right order. the ic is a quad 2-input and gate, a cmos 4081. these gates only produce a high output
designed and built, in spring 1982. at that time i had only an analogue meter and a calculator to work with. although far from perfect, this amplifier does have a wide frequency response, low distortion, and is capable of driving an 8 ohm speaker to output levels of around 5 watts with slightly higher distortion. any power supply in the range 12 to 18 volts dc may be used. circuit descriptionthe amplifier operates in class ab mode; the single 470r preset resistor controls the quiescent current flowing
rovide the programming supply voltage to controller. ic u6 is used to generate the vdd power supply voltage for the u-controller which is selectable either 5v or 6v5. the power to the circuit is provided by a wall adapter of 15 to 18v output, normally a 15v type adapter will provide a 19~20v output voltage. as shown in the diagram the crystal x1 can be replaced by a resonator in that case capacitors c4 and c5 are not required. place a small heatsink on u8 voltage regulator. for th
lines to use the declarations that are -- provided for instantiating xilinx primitive components. --library unisim; --use unisim.vcomponents.all; entity topmoudel is port ( clk : in std_logic; a : in std_logic; b : in std_logic; reset:in std_logic; output : out std_logic_vector(7 downto 0)); end topmoudel; architecture behavioral of topmoudel is --signal bclk:std_logic; type states is(statt1,statt2,statt3,statt4); signal state:states:=statt1; signal sum1:std_logic_vector(3 downto 0):="0000"
c data sheet 193.1 summary device description 203.1.1 title, literature number, and dates of origination and revision 203.1.1.1 example: 203.1.1.2 level-shifting diode (d) 243.1.1.3 bus-hold (h) 253.1.1.4 damping resistor on inputs/outputs (r) 263.1.1.5 schottky clamping diode (s) 263.1.1.6 undershoot-protection circuitry (k) 273.1.1.7 power-up 3-state (z) 283.1.2 features bullets 293.1.3 package options and pinouts 303.1.4 description 313.1.5 bga packaging top-v
么?為什么?為什么?主題:為什么?為什么?為什么?-------------------------------------------------------------------------------- 有pic16c72單片機(jī)用spi方式和外部的eeprom(x5043)的程序嗎?或者你幫我看看如下程序有什么問(wèn)題? 我用的是pic16c72單片機(jī),eeprom是x5043。為什么我只能讀一次數(shù)據(jù),以后就讀不到數(shù)據(jù)了,但是如果我單步運(yùn)行,每次都可以讀到數(shù)據(jù),為什么? output movwf sspbuf bsf status,5 bsf pie1,3 bcf status,5 top btfss pir1,3 goto top bcf status,5 movf sspbuf,0 movwf rxdata
zoelectric infrared sensors to collect the data to enlarge mcu;mcu data will be based on input data signal into the judgment of the situation on the spot. have a voice chip and the address signals and voice signals led digital display under mcu chip output signals to the address, will be preserved in the voice signal output which addresses the same time, led shows with the corresponding figures of speech signal information.3 hardware circuit design is a passive-based multi-channel piezoelectric infrar
dicates current sort 1-18 of 18 product life cycle link to data sheet(s) short description cmr(min) iout if number of channels package type prop delay (tphl) prop delay (tplh) pwd (max) vcc(v) vde price* product hcnw3120 active data sheet(s) 2.0 amp output current igbt gate drive optocoupler 15000 v/ms n/a n/a 1 400 mil dip 0.5 us 0.5 us 0.3 us 30 v n/a call for price hcnw3120 hcpl-0302 active data sheet(s) 0.2 amp output current igbt gate drive optocoupler 10000 v/ms n/a n/a 1 so8 0.7 us 0.7 us n/a