Mpf102 datasheet18 pages motorola jfet vhf amplifier. Enhancement fets such as the bs170 and 2n7000 wont work in the circuit. Onsemi jfet vhf amplifier,alldatasheet, datasheet, datasheet search site for electronic. Unfortunately, however for the jfet, the mosfet has an even higher input resistance. Motorola order this document semiconductor technical data by mpf102d jfet vhf amplifier nchannel depletion mpf102 1 drain 3 gate 2 source maximum ratings rating symbol value unit drainsource voltage vds 25 vdc 1 2 3 draingate voltage vdg 25 vdc gatesource voltage vgs 25 vdc case 2904, style 5 gate current ig 10 madc to92. N channel junction field effect transistors, depletion mode type a designed for audio and switching applications. The mpf102 jfet is a popular nchannel jfet that is commonly used in low power amplifier circuits. The single channel junction fieldeffect transistor jfet is probably the simplest transistor available. Credit application pdf mailfax order pdf california resale certificate pdf multijuris resale certificate pdf rma request. Check the gatetosource voltages, the sources should be a couple of volts more positive than the gates. Mpf102d mpf102 preferred devices jfet vhf amplifier n. This datasheet contains the design specifications for.
Mpf102 to92 nchannel rf amplifier this device is designed for electronic switching applications such as low on resistance analog switching. Motorola, alldatasheet, datasheet, datasheet search site for electronic components and. Mpf102 transistor datasheet, mpf102 equivalent, pdf data sheets. The aforementioned 2n548x series would be good and are not expensive at all at digikey. Video looking at some initial experiments with the mpf102. J1 jfet replaces mpf102 genuine fairchild quantity. Free package is available maximum ratings rating symbol value unit drain. This, together with the many other advantages of mos transistors, has made the jfet virtually. Find the pdf datasheet, specifications and distributor information. Signal input is to gate 1, and gate 2 may be used to control gain, or for the oscillator input when employing the transistor as a. Mpf102 mpf102 jfet mpf102 transistor mpf102 jfet data sheet mpf102 application note mpf102 circuit application mpf102 nchannel transistor. Motorola smallsignal transistors, fets and diodes device data. Mpf102 datasheet, mpf102 pdf, mpf102 pinout, equivalent, replacement jfet vhf amplifier motorola, schematic, circuit, manual.
It has some important characteristics, notably a very high input resistance. Jfet amp nch rf ss to92 online from elcodis, view and download mpf102 pdf datasheet, rf fets specifications. Mpf102 jfet n channel transistor tayda electronics. Simplified fet modification figure 2 it is very easy to replace the first transistor with a jfet and eliminate the second stage greatly increasing the loading impedance across the mike element. Semiconductor transistor, diode, ic cross reference. The mpf102 is a pretty generic small signal jfet amplifier. Mpf102 datasheet, mpf102 pdf, mpf102 pinout, equivalent, replacement jfet vhf amplifier on semiconductor, schematic, circuit, manual. Major brands mpf102 transistor jfet n channel 3pin to92 bulk 3. Mpf102 datasheet, mpf102 datasheets, mpf102 pdf, mpf102 circuit. Mpf1025motorola smallsignal transistors, fets and diodes device datafigure 10. Please allow 57 business days for the package to arrive, regardless of buyer location within the us. Mpf102 nchannel rf amplifier learning about electronics. Jfet vhf amplifier nchannel depletion maximum ratings rating symbol value unit drainsource voltage vds 25 vdc.
Motorola jfet vhf amplifier,alldatasheet, datasheet, datasheet search site for electronic. Radio shack once sold four nte equivalents for the mpf102. Mpf102 pdf, mpf102 description, mpf102 datasheets, mpf102. The j1 will do everything the mpf102 will do and is a perfect replacement for this transistor in any of our circuits. Meter check of a transistor jfet junction fieldeffect. Basic characteristics of the 2n3819 and mpf102 nchannel jfets. In the bipolar junction transistor tutorials, we saw that the output collector current of the transistor is proportional to input current flowing into the base terminal of the device, thereby making the bipolar transistor a current operated device beta model as a smaller current can be used to switch a larger load current the field effect transistor, or simply fet however, uses the. Rf small signal fieldeffect transistor, 1element, silicon, nchannel, junction fet, to92 find equivalent parts. The ability of a jfet to amplify is described as transconductance and is merely the change in drain current divided by the change in gate voltage. The insulated gate fet is readily available with two gates, as at g.
Mpf102 datasheet58 pages motorola jfet vhf amplifier. Motorola order this document semiconductor technical data by mpf102d jfet vhf amplifier nchannel depletion mpf102 1 drain 3 gate 2 source maximum ratings rating symbol value unit drainsource voltage vds 25 vdc 1 2 3 draingate voltage vdg 25 vdc gatesource voltage vgs 25 vdc case 2904, style 5 gate. Meter check of a transistor jfet chapter 5 junction fieldeffect transistors pdf version. Most jfets are nchannel rather than pchannel devices. Circuits like the stage 3 booster, v6, sd70s and angry red camel will thank you for an authentic replacement that works just as. The second stage is simply not necessary, as plenty of output is available from one stage.
J1 jfet replaces mpf102 genuine fairchild guitarpcb. The on semiconductor datasheet for the mpf102 does not specify a pinchoff voltage, but the fairchild datasheet says the pinchoff voltage can be as high as 8 volts. Browse through rf jfet transistors from qorvo, wolfspeed, nxp semiconductors, on semiconductor, broadcom, macom, cel, central semiconductor corp, skywork. Mpf102 datasheet, mpf102 pdf, mpf102 data sheet, mpf102 manual, mpf102 pdf, mpf102, datenblatt, electronics mpf102, alldatasheet, free, datasheet, datasheets, data.
The jfet is currently no longer in production but till the demand for it has created many clones in the market. Ic cross reference cross reference ci stk cross reference ci tda cross reference ci sharp cross reference hitachi audio ic cross reference and circuit applications smd cross reference and equivalent we make every effort to ensure that the material on this site is accurate, however we do not warrant or represent that the information is free. Figure 2 lists the basic characteristics of these two. Motorola smallsignal transistors, fets and diodes device data 5 figure 10.
The mpf102 is a jfet that has been used in many amplification circuits because of its low price. Mpf102 pin out mpf102 application note mpf102d text. Brand new major brands mpf102 transistor jfet n channel 3pin to92 bulk manufacturer model. Technical information motorola semiconductor mpf102 datasheet. These parts were available over the web, with free shipment to your local store. Jfet vhf amplifier, mpf102 datasheet, mpf102 circuit, mpf102 data sheet.
It didnt really have tight specifications, so if it was suggested for a certain design, probably a lot of other transistors could be used instead. General purpose nchannel junction field effect transistor. It covers a test circuit to establish the idss and vp for a specific device. It works at much higher frequencies than the typical af jfets or the low rf jfets like mpf102, and can sustain higher voltage 30v making it more desirable for af applications as ccs. It is indicated as mhos or siemens and is typically 2.
Make sure c3 is near the coil and the entire three jfet circuit is compact. Testing a jfet with a multimeter might seem to be a relatively easy task, seeing as how it has only one pn junction to test. We will provide an online tracking number to you once. Major brands mpf102 transistor jfet n channel 3pin to92.
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