Mrf151g vs blf278 pdf

Motorola, mrf151g rf power transistor, original, pdf. The final stage uses field effect mosfet transistors type mrfe6vp6300h, which, according to their manufacturer freescale semiconductor are designed to withstand. Design and building of a 300 w mosfet pushpull power. Blf278 classab classb classc 50 50 50 225 108 108 250 300 300 14, 16 typ 20 18 typ mrf176gv classab 50 225 200 typ mrf151g classab 50 175 300 14 blf248 classab 28 225 300 10 mrf175gv classab 28 225 200 14 typ blf177 classab classb 50 50 28 108 150 150 20 19 typ mrf157 classab 50 30 600 21 typ philips vdmos rfpower transistors. Mrf151g datasheet, mrf151g datasheets, mrf151g pdf, mrf151g circuit. The datasheet for the mrf151g specifies vgsth as 1. Mrf151g macom technology solutions rf power transistor pricing and availability english customer support 8007376937 6302626800. You have successfully added from to your part list. The high power, high gain and broadband performance of this. I have a vhf circuit with rf mosfet mrf151g failed. Nchannel broadband rf power mosfet, mrf151g datasheet, mrf151g circuit, mrf151g data sheet.

Tj61 highperformance ssbcw qrp transceiver construction guide with the smd doublybalanced diode ring mixer as the receiving mixer, tj6a offers excellent lownoise reception and strong signal. Application and design manual for high performance rf products. Broad band design has eliminated the troublesome tuning. L3harris rf7850mv50x wideband handheld integrated power amplifier the rf7850m wideband handheld integrated power amplifier enhances narrowband range and link reliability for the l3harris. Blf278 classab classb classc 50 50 50 225 108 108 250 300 300 14, 16 typ 20 18 typ mrf176gv classab 50 225 200 typ mrf151g classab 50 175 300 14 blf248 classab 28 225 300 10.

Sell mrf151g nchannel mosfet designed for broadband. The circuit is the one from the motorola ar305 application note and was sold as a kit by communications concepts inc. Nxp semiconductors blf278 rf fet transistor, 125 v, 18 a, 500 w, 400 mhz, 520 mhz, sot262a1 rohs compliant. Specified 50 volts, 30 mhz characteristics output power 150 watts power gain 17 db typ efficiency 45% typ superior high order imd imdd3 150 w pep 32 db typ. Mrf151g pdf, mrf151g description, mrf151g datasheets. The set of two 14 camera mounting screws from manfrotto contains two replacement 14 threaded screws for use on the following manfrotto quick release plates. Discrete semiconductors data sheet blf278 vhf pushpull power mos transistor product, philips semiconductors product specification vhf pushpull power mos transistor features blf278, product specification vhf pushpull power mos transistor blf278 limiting values in. This onthemove solution supports the l3harris midtier tdma. Blf278 300w fm transistor view detailed images 1 sku.

Mrf151gma transistor, rf power fieldeffect transistor. I built the pa module into a case with a 48v switched mode psu, cooling fans. Mrf151g datasheet, mrf151g pdf, mrf151g data sheet, mrf151g manual, mrf151g pdf, mrf151g, datenblatt, electronics mrf151g, alldatasheet, free, datasheet, datasheets. A pair of the latest rf mos fet, mrf151gs, designed by motorola, are used at the power amp stage to achieve a stable output of 500w max. Specified 50 volts, 30 mhz characteristics output power. Drain current flows when a positive voltage is applied to the gate. The mrf151g used in this design is considered as a state of the art device. Motorola, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.

Sd2942 350w fm pallet amplifier broadcast concepts. Motorola, alldatasheet, datasheet, datasheet search site for electronic components and. The one described here is narrowband and provides more than 250 w rf power, for a current consumption of 1820 a under 28 v. Mrf151g macom technology solutions richardson rfpd. Turn the ac power switch and you will be on the air. The mrf151g operates from a 50v supply and is easily capable of 250w ssb from 10 mhz up to 144 mhz. Pdf blf278 gr00061 mosfet hf amplifier blf278 mosfet hf amplifier blf278 equivalent power amplifier blf278 hf band power amplifier res hf 100 transistor classa amplifier hf100 res. Oct 12, 2012 sell rf transmitter parts mrf151g mrf151g nchannel mosfet designed for broadband commercial and military applications at frequencies to 175. The high power, high gain and broadband performance of this device makes possible solid state transmitters for fm broadcast or tv channel frequency bands. This is the prototype version of the linear amplifier during initial testing. Vrf151 and vrf152 rf power transistors microsemi digikey. Released rf power fieldeffect transistor 300 w, 50 v, 175 mhz n. Broad band design has eliminated the troublesome tuning operation as is needed with a tube type linear amplifier. The mrf151g is an enhancement mode fet and, therefore, does not conduct when drain voltage is applied.

Mrf151g datasheet, cross reference, circuit and application notes in pdf format. Click here to subscribe for backinstock notifications discontinued. L3harris rf7850mv50x wideband handheld integrated power amplifier the rf7850m wideband handheld integrated power amplifier enhances narrowband range and link reliability for the l3harris falcon iii rf7850mhh multiband networking handheld radio. Click here to be notified of price drops of this item qty out of stock. Designed for broadband commercial and military applications at frequencies to 175 mhz. Motorola nchannel broadband rf power mosfet,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. All persons who handle, use or dispose of this product should be aware of its. Rf power fets require forward bias for optimum performance. Ds20005253apage 5 mcp1642bd maximum duty cycle dcmax 90 %note 5 switching frequency fsw 0.

The value of quiescent drain current i dq is not critical for many applications. Ar305 300 hf amp component set communication concepts inc. The following are some of the photos of the interior and panels. Microsemis vrf151 and vrf152 are goldmetallized silicon nchannel rf power transistors designed for broadband commercial and military applications requiring high power and gain without compromising. Noob transistor replacement question all about circuits. This amplifier design covers frequencies from hf to vhf with a power output level of 300 watts using rf power mosfets.

Macom and its affiliates reserve the right to make changes to the products or information contained herein without notice. From bipolar to fet, from low power to high power, the user can choose from a variety of packages. Rf power fieldeffect transistor, 2element, very high frequency band, silicon, nchannel, metaloxide semiconductor fet, case 37504, 4 pin. For details about parts other than mrf151g click on the desired part number in the parts list at the bottom of this page. Can i replace mrf151g by blf278 does any one can help me solved this problem thank in advance.

Design and building of a 300 w mosfet pushpull power amplifier for 144 mhz gaetan horlin, on4khg 1. Click here to be notified of price drops of this item qty out of. The typical input capacitance specified for those fets is worth noting. Pdf blf278 gr00061 mosfet hf amplifier blf278 mosfet hf amplifier blf278 equivalent power amplifier blf278 hf band power amplifier res hf 100 transistor classa amplifier hf100 res ingenium. This is one professional vhf amplifier in pallet modoule with sma. Clearly there are differences between the two fets. Mrf151g rf power fieldeffect transistor 300 w, 50 v, 175 mhz nchannel broadband mosfet, mfr. Released rf power fieldeffect transistor 300 w, 50 v, 175 mhz nchannel.

Macom and its affiliates reserve the right to make changes to the products or information contained. The final stage uses field effect mosfet transistors type. Ar c hive inf o rmati o n a rchive information mrf18030alr3 mrf18030alsr3 3 rf device data freescale semiconductor rf input rf output z1 vgg c2 z3 c6 dut vdd z4 z5 c1 1. Sell rf transmitter parts mrf151g mrf151g nchannel mosfet designed for broadband commercial and military applications at frequencies to 175. N archive information mrf1511t1 3 rf device data freescale semiconductor figure 1. The 1500w low pass filter for 2m or the kit three 40cfm 80mm cooling fans. And finally, the newest nxp offering, the mrfx1k80h, a 65v ldmos capable of output in excess of 1800w. For mrf151g price, delivery, and datasheet, see the part table below. Output power 300 w gain 14 db 16 db typ efficiency 50% low thermal resistance 0.

Sd2942 350w fm pallet amplifier broadcast concepts inc. The rf mosfet line nchannel enhancementmode designed primarily for linear largesignal output stages up to150 mhz frequency range. Rf power fieldeffect transistor 300 w, 50 v, 175 mhz nchannel broadband mosfet. At the right of this picture is my tower of power, a stack of 6 series connected computer power supplies which produces 30 volts at 35 amperes as you read this article, you will see that i have taken many of the parts for this project from old computer power supplies. Please download the amplifier data sheet in pdf format 312kb. The rf mosfet line nchannel enhancementmode mosfet designed for broadband commercial and military applications at frequencies to 175 mhz. The high power, high gain and broadband performance of this device makes possible solid state. At the right of this picture is my tower of power, a stack of 6 series connected computer.