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Part Numbert Mfg Packt D/C Descriptiont Qty Company/Contact  
0494004.NR         10000 


0494004.NR 20000  特低价 可提供样片及  LITTELFUSE    08+ 
    ShenZhen Flying Electronics Co..
  • Contact:zhang
  • Tel:86-755-83014266
  • Fax:86+755-83685595
  • Email: flying_bill@126.com


0494004.NR         12000 
    S&L Technology Development co..
  • Contact:Jennifer Zeng
  • Tel:86-755-83511882
  • Fax:86-755-83511886
  • Email: jennifer@xkzd.net


0494004.NR     09+    12000 
    Nuoxinyuan Electronics Co.,Ltd
  • Contact:Regina
  • Tel:86-755-83957733
  • Fax:86-755-83956848
  • Email: regina@nxy-ic.com
0494004.NR LITTELFUSE  原装库存房间现货  18800    07+ 
    Hongxintong (HK) Electronics L..
  • Contact:cai
  • Tel:86-755-23816893
  • Fax:86-755-22647582
  • Email: hong_xtic@foxmail.com
0494004.NR         10000 
    ZHANG RONG TECHNOLOGY (HK) ELE..
  • Contact:XIE
  • Tel:86-755-83642970
  • Fax:86-755-83041614
  • Email: crkj8@126.com
0494004.NR         7250 


0494004.NR     06+  new and original in   10000 
    Bosin (HK) Electronics Limited..
  • Contact:Baron
  • Tel:86-755-83640678
  • Fax:86-755-83227368
  • Email: faith@bosin.hk
0494004.NR Littelfuse  0603  06+  New original packing  3595 
    shenzhen xei shun fa technolo..
  • Contact:dorischen
  • Tel:86-755-23956264
  • Fax:
  • Email: XSFDZ0218@126.COM
0494004.NR LITTELFUSE  0494004.NR  08+    20000 
    Tong You (Hong Kong) electron..
  • Contact:zhang
  • Tel:86-755-83685455
  • Fax:86-755-83685595
  • Email: tongyouhk@21cn.com
0494004.NR       shenzhen stock  120000 
    a one Technology(hk) ltd
  • Contact:wang
  • Tel:86-755-83959609
  • Fax:86-755-83959609
  • Email: peter@aonetechno.com
0494004.NR LITTELFUSE  0494004.NR  08+  in stock  20000 
0494004.NR PROTECTOR SL    Littelfuse  9   
    ANOURS TECHNOLOGY (H.K.) LIMIT..
  • Contact:sabrina
  • Tel:86-755-25566062
  • Fax:
  • Email: ctt1107@hotmail.com
0494004.NR         10000 
0494004.NR     07+    10000 
    HK NanYang Electronics Ltd.
  • Contact:Jelly
  • Tel:86-755-61329022
  • Fax:86-755-83013312
  • Email: nanyangic@yahoo.cn
0494004.NR   0603F      10000 
0494004.NR     08+     
    Electrolux International (HK)C..
  • Contact:Tina
  • Tel:86-755-82709646
  • Fax:86 0755 82709645
  • Email: electrolux2007@yahoo.cn
0494004.NR LITTLEFUSE    9370     
    MasterUniversalCo.,Ltd.
  • Contact:Ms.PearlChen
  • Tel:886-2-22660799
  • Fax:886-2-22663232
  • Email: pearl@masteru.com.tw
0494004.NR A/N    10000  0603F   
0494004.NR   06+      10000 
    ShowtechInternational(hk)CO.,L..
  • Contact:Ms.RitaLin
  • Tel:886-0755-82709648
  • Fax:886-0755-82709649
  • Email: showtech@hkin.com
0494004.NR   0603F      10168 
    ExcellentElectronics(hk)Co.,Lt..
  • Contact:Ms.AnneHuang
  • Tel:86-755-82727096/61685817
  • Fax:86-755-82731987
  • Email: anne@hkexcellent.com

0494004.NR Datasheet

SYMBOL PARAMETER CONDITIONS MIN MAX UNIT
VCESM VCEO VCBO lc ICM lB IBM Ptot Tstg Tj Collector to emitter voltage Collector to emitter voltage (open base) Collector to base voltage (open emitter) Collector current (DC) Collector current peak value Base current (DC) Base current peak value Total power dissipation Storage temperature Junction temperature VBE=OV Tr,s " 25 aC -65 1200 550 1200 6 10 3 5 32 150 150 V V V A A A A W oC oC


0494004.NR Price

Pin Function Description Interface Schematic
1 RFl IN RF input pin. This pin is internally connected to the bias circuits. An external DC blocking capacitor is required. The value of this capacitor depends on the actual operating frequency.
2 GND Ground connection. Keep the connection to the backside ground plane as short as possible, by placing the vias close to the pin.
3 GND Same as pin 2
4 PD Power down control voltage. When this pin is at OV, the device will be in power down mode, dissipating minimum DC power. When this pin is at Vcc (but not higher than 5.OV max), the device will be in full power mode delivering maximum gain and output power capability. This pin may also be used to perform some degree of gain control or power con- trol when set to voltages between OV and Vcc or 5.OV, whichever is the lowest. It is not optimized for this function so the transfer function is not linear over a wide range as with other devices specifically designed for analog gain control. However, it may be usable for coarse adjustment or in some closed loop AGC systems. This pin should not, in any circum- stance, be higher in voltage than Vcc. This pin should also have an external bypassing capacitor.
5 RF2 IN RF input of the power stage. This pin is internally connected to the bias circuits. An external DC blocking capacitor is required. This same capacitor can also be used for interstage matching. Typically this capacitor is between RF2 IN (pin 5) and RFl OUT (pin 6); see the application schematics for details.
6 RFl OUT RF output of the pre-amplifier. Power supply needs to be supplied to this pin through an inductor to Vcc. Together with the series capacitor between pin 5 and 6 the interstage matching circuit is formed. See the application schematics for values for different frequencies.
7 VCC1 Positive supply for the active bias circuits. This needs to be bypassed with a single capacitor, placed as close as possible to the package. Additional bypassing of l~F is also recommended, but proximity to the package is not as critical.
8 RF2 0UT Amplifier RF output. This is an unmatched collector output of the final amplifier transistor. Pins 8, 9, 13, and 14 are connected internally. Bias for the final power amplifier output transistor must also be provided through one of these two pins. Typically, pins 8 and 9 are connected to a network that provides the DC bias and also creates a second har- monic trap. A capacitor series resonates with internal bond wires and some additional series inductance, and acts as a trap at two times the operating frequency, effectively shorting out the second harmonic. Shorting out this harmonic serves to increase the amplifier's maximum output power and efficiency, as well as to lower the level of the second harmonic output. Typically, pins 13 and 14 are externally connected very close to the package and used as the RF output with a matching network that presents the optimum load impedance to the PA for maxi- mum power and efficiency, as well as providing DC blocking at the out- put.
9 RF2 0UT Same as pin 8
10 GND Same as pin 2
11 GND Same as pin 2
12 GND Same as pin 2
13 RF2 0UT Same as pin 8
14 RF2 0UT Same as pin 8


0494004.NR on stock
3 This is the continuous current drawn from the battery when the input is low and includes leakage current to the load. 4 This is the continuous current drawn from the battery with no load connected, but with the input high. 5 The measured current is in the load pin only. 6 The supply and input voltage for the RON tests are continuous. The specified pulse duration tp refers only to the applied load current
Rev 0.4 06/29/04. SP8127N High Speed Differential APC Amplifier ~Copyright 2003 Sipex Corporation SIPEX RESERVES THE RIGHT TO MAKE CHANGES TO THIS DATASHEET. CALL FOR UPDATES: 1-978-667-8700
LED is on when input signal is high level, it is off when low level. For data rate > 3 Mb /s, the duty factor must be kept 25 t0 75%. All Plastic Fiber (980 / 1000 pm). Between input of TOTX170A and output of TORX170. Measure with a standard optical fiber with fiber optic connectors. Valued by peak
 
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