Alinco DJ-X11 este un receptor destul de bun pentru gama sa, cu receptia all mode AM/FM/WFM/SSB/CW intre 0.1kHz - 1.29Ghz; care poate fi gasit la preturi intre 200 - 400$.
caracteristicile sale sunt:
2VFO simultaneous RX
- Main-band coverage: 0.05`1,299.99995MHz all mode AM/FM/WFM/SSB/CW (BFO for SSB/CW receive. An external antenna required for practical HF monitoring. Internal bar antenna for AM broadcast reception and earphone antenna feature inclusive.)
- Sub-band coverage: VHF:118`171MHz/UHF:336`470MHz in AM/NFM
- 1200 memory channels with adjustable memory banks using utility freeware (optional PC cable required)
- IQ signal and Discriminator output features: DJ-X11 has an IQ signal output that can be used with 3rd-party software to operate as a SDR. 10.7MHz IF discriminator signal can be used with other receiver-related software available on the net such as AIS-plotting.
- Voice-guidance system reads entering/entered frequency in English
- Easy-to-use twin dials
- Pocket size unit measures 61 (W) x 106 (H) x 38 (D) mm / 2.4 (W) x 4.17 (H) x 1.50 (D) in (without projections)
- Rigged Polycarbonate body with rubber protectors
- Selectable tuning steps: 0.05/0.1/1/5/6.25/8.33/9/10/12.5/15/20/25/30/50/100/125/150/200/500kHz/1MHz
- Various scan modes: Preset, programmed, memory, VFO and tone scan
- 3 selectable scan speeds (VFO: 25ch/s, 33ch/s, 100ch/s, Memory: 4.5ch/s, 8.3ch/s, 20ch/s)
- TSQ and DCS decode
- Wire remote-control using optional EDS-12
- Long-lasting 1800mAh Li-Ion battery pack provides nearly 15 hours of operation at full audio output in a single RX mode
- 1200 Alphanumeric (up to 16 characters) memory channels
- Additional 100 memory channels are available for each Dual-mode memory, Search-pass, Priority monitoring and Programmed Scanning pairs
- Large, brightly illuminated full dot-matrix LCD and keypads
- Dual channel-scope (Alinco’s patented spectrum-analyzer alike feature)
- Frequency counter and flash tune
- “Bug detector” function searches for hidden transmitters
- Illuminated keypad for comfortable operation
- Standard Drop-in charger fully charges empty EBP-74 in 4 hours
- RF gain and attenuator for both main/sub VFOs
- Analog inversion-scramble decoder (European Models Only)
- Receiver range: Main VFO 0.05 – 1299.99995 MHz in All available modes / Sub VFO 118 – 170.995MHz & 336 – 469.995MHz in AM/FM (Cellular frequencies 824.000 – 849.995MHz, 869.000 – 894.995MHz blocked on T models. EGR model receives Ham and Broadcast bands only. 225 – 335.995 MHz in AM/FM may be usable although out of specification and warranty)
- Mode: FM,WFM,AM,SSB(USB/LSB),CW(CU/CL)
- Antenna Impedance: 50 ohms (SMA)
- Supply voltage: DC 3.7V (EBP-74) / DC 4.5V (EDH-33) / DC 5.4V – 6.0V (external regulated source) negative ground
- Current consumption: approx.130mA Mono band / 180mA Dual band
- Temperature range: -10 to +60 dig C (+14 to +140 dig F)
- Frequency stability: -7 to +3ppm(-10 to +60 dig C)(+14 to +140 dig F)
- Dimension without projection: 61 (W) x 106 (H) x 38 (D) mm / 2.4 (W) x 4.17 (H) x 1.50 (D)
- Weight: Approx.235g / 8.29 oz (Ant.& EBP-74 inclusive)
- Receiver: Triple-conversion super heterodyne AM/SSB/CW/FM in Main VFO / Double-conversion super heterodyne AM/FM in Sub VFO and WFM in Main VFO
- Selectivity: SSB/CW -6dB: 2kHz or more -50dB : 7.5kHz or less, AM/FM -6dB : 12kHz or more -60dB : 35kHz or less, WFM -6dB : 180kHz }40kHz -20dB : 470kHz or less
- Sensitivity(typical value within the band: 10dB S/N:AM/SSB/CW , 12dBSINAD:FM/WFM):
- Main-band: 0.050~0.531MHz (AM) 5dBu 0.531~1.62MHz (AM) 2dBu 1.62~76MHz (AM) -5dBu 1.62~76MHz (SSB,CW) -10dBu 1.62~76MHz (FM) -15dBu 76~108MHz (WFM) -3dBu 108~136MHz (AM) -6dBu 136~174MHz (FM) -14dBu 175~221.75MHz (WFM) -6dBu 221.8~336MHz (AM) 0dBu 336~475.75MHz (FM) -13dBu 475.75~770MHz (WFM) -13dBu 770~1260MHz (FM) -9dBu 1260~1300MHz (FM) -6dBu
- Sub-band: 118~136MHz (AM) -3dBu 136~170MHz (FM) -14dBu 336~470MHz (FM) -14dBu *225~335.995 MHz in AM/FM
Destul de bun, insa cu mult mai bun, daca adaugam ca poate fi folosit cu succes la receptia cu ajutorul unui software pentru SDR - HDSDR ! Cu ajutorul lui Michael care a scris un ExtIO plugin pentru HDSDR, acum acest receptor poate fi controlat din interfata programului,beneficiind de toate facilitatile acestuia. ExtIO pentru acest receptor poate fi dowloadat de AICI si apoi copiat in folderul unde aveti instalat HDSDR Pentru conectarea la PC aveti nevoie d o interfata USB modelul ERW-8 .Dupa conectarea acesteia, introduceti un cablu audio ( neaparat STEREO - pentru semnalele IQ) in mufa de casti a receptorului si la intrarea de microfon a PC-ului si puneti DJ-X11 in modul IQ. Daca ati urmat intocmai acesti pasi, acum, cu un singur click pe display in waterfall, schimbati frecventa,vizualizati simultan emisia mai multor statii, decodati semnale digitale, etc.
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