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MFJ-225

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MFJ : MFJ-225  HF/VHF 雙埠圖形天線分析器  
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本項商品若是由多件產品所組成的套裝商品, 則各項物件組裝之後即可出貨. 若其組件沒有庫存的情況下, 配合商品的物流寄送下, 接受訂單後, 一般預計 3 至 4 天內可出貨. 若組件或產品本身為原裝進口商品, 則適空運及廠商供貨情況, 可能需費時一至數個星期才能交貨. 若您訂購這項商品時, 我們將會進一步與您聯絡交期. 確定產品的確能如期交貨之前, 我們不會向您請款.
特價: NT$12,600.00 (含 5% 營業稅)
 

Take RF testing to the next level with the new MFJ-225! All the basic analyzer
functions you`ve come to depend on plus a host of advanced features like builtin
LCD graphics, two-port VNA measurement, PC-Interface using IG-miniVNA
freeware, precise DDS frequency control, self-calibrating . . . easy-to-use!

Two Analyzers in One
Out in the field, MFJ-225 is a compact completely self-contained handheld analyzer. On the bench it becomes a full-fledged two-port (S21) desktop machine when teamed up with your PC. Using powerful IG-miniVNA freeware, you`ll run detailed data analysis and then print out stunning color-graphic plots to document your work!

Seeing is Believing
Get a big picture every time with MFJ-225`s built-in back-lighted 3-inch LCD graphic display. Make fine circuit adjustments using full-screen easy-to-view SWR bar graph, capture vivid swept displays for SWR, impedance, return loss, phase angle, more! Operation is simple, you can adjust the center frequency, tuning step, and sweep width instantly while viewing your plot, literally shaping it before your eyes.

Continuous HF-VHF Coverage
Tunes from 1.5 MHz to 179.9 MHz with rock-solid stability and no gaps. That`s because the MFJ-225`s VFO is a state of the art programmable DDS (direct digital
synthesis) generator with pin-point 1-kHz frequency resolution. DDS control means no mechanical band switches or tuning elements, just a reliable velvet-smooth optical encoder to glide across the spectrum.

Powerful Clean Signal Source
The MFJ-225 DDS stimulus generator also gives you a leveled -5 dBm signal source for driving mixers, low-power amplifiers, filters, networks, diplexers, and antennas on the test range. And, your test signal is always clean, with over -50 dBc of harmonic and spur suppression. That`s better than many precision lab generators costing thousands of dollars! Connect an external step attenuator, and it becomes a highquality signal generator for peaking sensitive receivers and preamplifiers.

Information Powerhouse
The MFJ-225 simultaneously compiles and displays all important parameters you
need on a single screen, giving you a wider range of results at a glance. You`ll work faster and smarter without the inconvenience of scrolling through menus or making tedious conversions to get your data.

What the MFJ-225 Measures:
• SWR (1:1 to 9.9:1)
• Complex Impedance (R+jX)
• Impedance Magnitude (Z)
• Return Loss (RL, 0-30dB)
• Phase (0-180�)
• Capacitance (0-9999pF)
• Inductance (.1uH-80uH)
• Cable Length (0.5-45m)
• Cable Loss (0-30dB)

Two-Port Flexibility
In addition to traditional single-port (S11) reflected-power measurements, MFJ
features an invaluable advantage of making two-port (S21) forward-power measurements, essential for optimizing filters, diplexers,matching networks, etc. It bridges the gap between a simple scalar analyzer and true vector-analysis performance.

Ergonomic Operation
“Advanced features” conjure visions of greater complexity and more buttons to
push . . . not true for MFJ-225! The graphic display is "advanced" because it places more information at your fingertips without needless scrolling and searching. Also, the layout is unique with three large soft-touch selector buttons located on the front panel next to the screen and a large side-mounted frequency control knob conveniently positioned for your right hand. Everything is located where it needs to be for intuitive operating and unobstructed screen view!

Easy To Power
MFJ-225 can be powered by four AAA alkaline batteries or four AAA Ni-MH rechargeable batteries (batteries not incl.). Optional MFJ-1312D, or any external 12 VDC power is required for the built in recharging circuit with charge indicator LED. LED will light while charging and turn off when cycle is completed. On the bench, power it through the USB power port using any USB power source. Optional USB cable,MFJ-5430

Self-Calibrating
In order to maintain out-of-the box accuracy, all analyzers require periodic calibration checks -- a potentially time-consuming operation that may require special RF loads and step-by-step procedures. However, the MFJ-225 uses built-in firmware to perform its entire calibration routine in less than a second! Simply initiate the "calibrate" command and you`re done!

Specifications
MFJ-225 requires 4 NiMh AAA cells or optional power adapter MFJ-1312D, $15.95.
PC interface requires a USB Type-B cable. Analyzer`s OUT port is SO-239. IN port
is SMA-female. 3 3/32W x 6 1/8H x 1 1/2D inches.

特價: NT$12,600.00 (含 5% 營業稅)
供貨狀況
本項商品若為多件產品所組成的套裝組合商品, 則各項物件組裝之後即可出貨. 若其組件沒有庫存的情況下, 配合商品的物流寄送下, 接受訂單後, 一般預計 3 至 4 天內可出貨. 若組件或產品本身為原裝進口商品, 則適空運及廠商供貨情況, 可能需費時一至數個星期才能交貨. 若您訂購這項商品時, 我們將會進一步與您聯絡交期. 確定產品的確能如期交貨之前, 我們不會向您請款.
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