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Part Numbert Mfg Packt D/C Descriptiont Qty Company/Contact  
STS3DNFS30L ST  NA  2006;06+    50000 
    sr weike
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STS3DNFS30L Datasheet
Definition of Critical Performance Specifications ............. ........... 10 Absolute Maximum Ratings ......... ........... 11 Recommended Operating Conditions ....... ........... 11 DC Electrical and Power Supply Characteristics .............. ........... 12 AC Electrical Characteristics ........ ........... 13 Mechanical Specifications ............ ........... 25 Ordering Information ..... ........... 26
STS3DNFS30L Price

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STS3DNFS30L on stock

Pin Function Description Interface Schematic
1 RF IN RF input pin. This pin is NOT internally DC blocked. A DC blocking capacitor, suitable for the frequency of operation, should be used in most applications. DC coupling of the input is not allowed, because this will override the internal feedback loop and cause temperature instabil- ity.
2 GND Ground connection. For best performance, keep traces physically short and connect immediately to ground plane.
3 RF OUT RF output and bias pin. Biasing is accomplished with an external series resistor and choke inductor to Vcc. The resistor is selected to set the
DC current into this pin to a desired level. The resistor value is deter- r
mined by the following equation: R = (VCC- VDEVICE) ICC Care should also be taken in the resistor selection to ensure that the current into the part never exceeds maximum datasheet operating cur- rent over the planned operating temperature. This means that a resistor between the supply and this pin is always required, even if a supply near 5.OV is available, to provide DC feedback to prevent thermal run- away. Because DC is present on this pin, a DC blocking capacitor, suit- able for the frequency of operation, should be used in most applications. The supply side of the bias network should also be well bypassed. 4
GND Same as pin 2


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