In this page you find schematic, users and instructions manuals, service. I figured out that u1 is a motorola mc5 fm receiver chip, but some of the designations are misleading. Your analyzers calibration plane is the point of reference where all measurements have greatest accuracy gain reference 0db and phase shift 0 degrees. The mfj204b also can be used to adjust the matching device to the impedance of the feedline and enable you to obtain. Mfj886 mfj 886 mfj886 pdf user manual for mfj886 mfj 886 mfj886.
Mfj 422 manual 422d pdf mfj 422 manual 422d pdf mfj 422 manual 422d pdf download. Since i am slightly a type a personality, i expect it to receive as well as anything else. It is mounted on a 10 ft piece of 34 inch electrical conduit. Mfj401d instruction manual econo keyer ii 1 introduction the mfj401d econo keyer ii is a microprocessor controlled keyer that provides iambic key operation and dotanddash memory to make sending perfect code easier.
It utilizes dual gate mosfet, bipolar transistors for low noise and high gain. You get all the best features of the mfj941e crossneedle antenna tuner and the mfj931 artificial ground in a single compact 10 58w x 3 12 h x 8 d inch cabinet. Mfj1025 instruction manual noise and interference canceler signal enhancer 2 1. This combination of circuits allows measurement of the swr referenced to 50. Mfj 422 manual 422d pdf the mfj 422d electronic keyer paddle is an iambic keyer and paddle. View the manual for mfj1020c view the manufactures page for mfj1020c mfj invented the tunable active antenna.
Mfj 249 swr analyzer instruction manual 4 operation of the mfj 249 after the mfj 249 is connected to a proper power source the red onoff button can be depressed to apply power. The unused terminal is automatically grounded for static and rf protection. Pushbutton switches provide for two receivers, two antennas, 20 db attenuator and onbypass the device is bypassed when the unit is off. It has tunable code speed, code weight, and sidetone frequency. Resources listed under mfj259b antenna analyzer category belongs to antenna analyzers main collection, and. It turns a random wire into an effective antenna that works. Mfj259b category is a curation of 8 web resources on, mfj259b on 630 meters, mfj 259b problems, calibrating the mfj259b antenna analyzer. Here you will find instruction manuals, service manuals, user guides schematic. Here you will find instruction manuals, service manuals, user guides schematic, brochures etc. The manual was written in by mfj and applied to mfj910. Use 9 volt battery or 110 vac with mfj12dproduct support for mfj422d.
About mfj 259b manual the resource is currently listed in in a single category. They usually need a bit of rf to begin the tuning process, so for a listener, theyre pretty much useless. Antenna switches, manual free shipping on most orders. Mfj 1700b instruction manual thank you for purchasing the mfj transmitterantenna switch. Go to the product page and click on the product manuals tab. The main category is mfj 259b antenna analyzer that is about mfj 259b. The cover is held on by two sheet metal screws, which must be removed to replace the battery. Mfj998 legal limit intellituner automatic antenna tuner instruction manual manual tuning of inductance is similarly accomplished, using lup and ldn. Mfj 1040c manual connecting networks, ideas, communities. Mfj 259 antenna analyzer calibration, problems, and service.
Mfj249 swr analyzer instruction manual 3 powering the mfj249 the mfj249 requires between 8 and 18 volts for proper operation. The user can adjust both direction and wave angle of the null or peak. I was wondering if i need to get it up to at least 14 wavelength. Mfj224 fm analyzer 245 kb pdf file the schematic is included, but there are no parts values. Uses a cascode fetbipolar transistor for low noise, high gain.
The mfj1040c rear panel has so239 jacks for standard pl259 plugs. The mfj 204b provides an inexpensive and simple way to tune your antenna to match the feedline and transceiver from 160m thru 10m. I have a fontcomic sans ms, cursive mfj2220 20 meter mini dipole antenna. Mfj249 hfvhf swr analyzer the mfj249 combines four basic circuits. When pressed the red button should lock into position. Unlike most preselectors, which are for receiveonly, the mfj 1040c may be used for transceive up to 125 watts. Mfj 1025 instruction manual noise and interference canceler signal enhancer 2 1. Buy mfj manual radio tuner and get the best deals at the lowest prices on ebay. May 21, 20 mfj 1270b and mfj 1274 packet radio terminal node controller 4. The mfj transmitterantenna switch handles up to 2 kw pep for 5075 ohm loads. Mfj989c versatuner v instruction manual 1 introduction the mfj989c roller inductor tuner is a 3000 watt pep input, 1500 watt pep output antenna tuner. This equipment generates and uses radio frequency energy and if not installed and used properly, that is, in strict accordance with the manufacturers.
Mfj 259 antenna analyzer calibration, problems, and. The mfj886b frequency counter is specially designed to be used for frequency measurements, testing and calibration of wireless devices between 300khz and 2. Read all instructions before operating equipment mfj enterprises, inc. An easytoaccess usercontrolled zo setting in the advanced function menus facilitates changing swr and other swr functions i.
The mfj204b provides an inexpensive and simple way to tune your antenna to match the feedline and transceiver from 160m thru 10m. It can handle a transmit signal up to 125 watts pep. Customer accounts did not transfer over to the new site so you will need to create a new account. Mfj mfj910 instruction manual owners manual, users guide.
Mfj 921 mc420 381 2p mc 1 5 2 st 3 81 pdf dual band vhf acoplador 2 metros y 220 mhz. Mfj 1020b active antenna instruction manual page 3 full 12 month warranty mfj enterprises, inc. In general terms, the mfj 1022 receiver preamp is a good unit, but not a miracle worker. All information, images, and documents on this website are the sole property of mfj enterprises, inc. Mfj1020b active antenna instruction manual page 3 full 12 month warranty mfj enterprises, inc. These power ratings are for load impedances of 35500 ohms. The manual contains important safety information youll need to know to avoid damaging your unit. Use 9 volt battery or 110 vac with mfj 12dproduct support for mfj 422d. One port vector network analyzer vna measures the electrical parameters of one port of a network wont measure transmission parameters of a 2 port network network electrical circuit a port is one complete signal path. The mfj 1700b is a heavy duty switch which allows you to connect any one of 6 transceivers in any combination.
At that time, the remote tuners were limited to about 200 watts maximum rf. Mfj249 swr analyzer instruction manual 1 mfj249 hfvhf swr analyzer. It instantly turns into a small, high efficiency multiband transmitting loop antenna. This calibration procedure is the correct procedure for later mfj 259bs. The mfj1040c transceiver preselector is a high gain rf amplifier which covers 1 to 54 mhz in 4 bands. You can also plug in an antenna tuner, wattmeter, linear, etc. Since i can not figure out why, and no one else i asked for help can figure out why, i decided on using a bandaid, and that is the mfj 1040c. The user can change from nulling to peaking a signal with the push of a button. This link is listed in our web site directory since tuesday may 19 2015, and till today mfj 259b manual has been followed for a total of 470 times. Demo of the mfj 959c receiver antenna tuner preamp. The mfj 259b and mfj 259c require different guides.
One port vector network analyzer vna measures the electrical parameters of one port of a network wont measure transmission parameters of a 2 port network. The mfj 204b also can be used to adjust the matching device to the impedance of the feedline and enable you to obtain. For basic handheld units like the mfj259c, the calibration plane is always fixed at the analyzers rf connector. Mfj 422 manual 422d pdf the mfj422d electronic keyer paddle is an iambic keyer and paddle. It uses a cascode fetbipolar transistor for low noise, high gain.
Please read through this manual carefully before powering up your analyzer for the first time. Mfj 204b antenna bridge page 1 thank you for purchasing the mfj 204b antenna bridge. The manual was created in pdf format with the filename of mfj910. Mfj1270c1274c manual introduction page 1 introduction thank you for purchasing the mfj tnc packet data controller. It has a relay that automatically bypasses the amplifier when transmitting. Since the capacitance and inductance are interdependent, some backandforth between the two may be needed, just as. Mfj1700b instruction manual thank you for purchasing the mfj transmitterantenna switch. Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from mfj enterprises, inc. The mfj 259c is the latest entry in a long line of timetested designs using proven technology and rugged construction to ensure years of reliable service. Hfvhf swr analyzer mfj249 amateurd mfj enterprises. Complete short form operating instructions in a compact reference guide. Since the capacitance and inductance are interdependent, some backandforth between the two may be needed, just as in a conventional tuner with knobs.
Drape a wire around a bookcase and attach both ends to this new mfj936b deluxe small high efficiency loop tuner. Rus kenwood maurice blanchot espacio light it shoot it. Mfj989c mfj 989 c mfj989c instruction manual mfj uses super heavy duty components roller inductor, variable capacitors, antenna switch and balun to. If you found this video useful, please share using the. Mfj 941c manual pdf mfj 941c manual pdf mfj 941c manual pdf download. Mfj 1045c preselector alleen ontvangst classic international. For a ham, a transmatch can be used to overcome difficulties with matching a transceiver to an antenna. The mfj269c also functions as a nonprecision signal source and frequency counter. Drape a wire around a bookcase and attach both ends to this new mfj 936b deluxe small high efficiency loop tuner. Since mfj 259b firmware has several versions under the same model number, you may find some final performance or function verification steps invalid. The manual was created in pdf format with the filename of mfj 910. Mfj 1702c antenna switches mfj1702c free shipping on.
Great savings free delivery collection on many items. Mfj 998 legal limit intellituner automatic antenna tuner instruction manual manual tuning of inductance is similarly accomplished, using lup and ldn. Mfj204b antenna bridge page 1 thank you for purchasing the mfj204b antenna bridge. Rf bridge and a calibrated bridge unbalance indicator. Socalled antenna tuners, such as those marketed by mfj, are more correctly called a transmatch. Using hyperterminal with mfj keyersreaders28 sep 2012. The mfj886 frequency counter is very compact and very capable covering 1 mhz to 3 ghz. Mfj941e mfj 941 e mfj941e instruction manual mfj941e mfj 941 e mfj941e technical. Mfj 1700c description hide this deluxe high power antennatransceiver switch has two ceramic rotary switches that let you select 1 to 6 antennas and 1 to 6 transceivers in any combination. The mfj 1040c rear panel has so239 jacks for standard pl259. The mfj1700b is a heavy duty switch which allows you to connect any one of 6 transceivers in any combination. Ideal as a ready reference and memory jogger for making swr, impedance, inductance, capacitance, frequency and other measurements.
Mfj204b antenna bridge thank you for purchasing the. Mar, 2020 mfj 989c mfj 989 c mfj989c pdf user manual for mfj 989c mfj 989 c mfj989c. I use an antenna portable that when i hook it up receive is less than my mobile. Since mfj259b firmware has several versions under the same model number, you may find some final performance or. The manual was created in pdf format with the filename of mfj1700c. Mfj886b frequency counter 3 introduction thank you for purchasing mfj886b frequency counter. Mfj mfj910 instruction manual owners manual, users. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. Mfj204b antenna bridge thank you for purchasing the mfj204b.
If you have some stuff that not is listed here you can donate this by contact mods. About mfj user manuals the resource is currently listed in in a single category. This calibration procedure is the correct procedure for later mfj259bs. The manual was written in by mfj and applied to mfj1700c. The main category is manuals of amateur radio transceivers and equipment that is about ham radio manuals for amateur radio. Socalled antenna tuners, such as those marketed by mfj. Eight hamstick antenna can be mounted to the mfj2100 for operation on four bands.
651 1313 178 308 38 189 1457 1387 477 1513 283 1229 1238 1136 673 544 1203 432 716 699 818 1593 841 253 503 745 259 592 274 170 14 1270 148 831 245 1062 1331 1191