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| Reviews Summary for Digimit 2002 |
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Reviews: 0
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Average rating: (no reviews)
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MSRP: $some 350.ooEuro
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Description: The Microtelecom Digimit 2002 transmitter exploits 'state of the art' digital modulation and synthesis from microphone up to RF.Featuring an all digital design thought for radio amateurs and equipped with a 100% duty cycle 10Wpep RF power amplifier, the Digimit 2002 transmitter offers top class performances to QRP enthusiasts at a very reasonable cost. The Digimit 2002 is based on Gate Array Signal Processing! The HF SSB/CW signal is digitally synthesized in a single programmable logic IC.There are no balanced modulators to trim, no ripply cristal filters, no VCOs to adjust, no PLLs to lock: you may expect that the Digimit 2002 transmitter will mantain its high performance unchanged for a life time. Frequency coverage1.6-2.0, 3.5-4.0, 7.0-7.3, 10.0-10.2, 14.0-14.5,18.0-18.2, 21.0-21.6, 24.8-25.0, 28.0-28.8 MHz (see note 1)Modes of operation: Single sideband suppressed carrier (USB/LSB), CW, TUNE (with internal two tone generator)Tuning steps 1 Hz, 10 Hz, 100 Hz, 1 KHzFrequency accuracy +/- 2 ppm typ. (+/- 60 Hz at +25°C after cold start)Frequency stability +/- 10 ppm typ. (-10°C / + 60°C)Power requirements + 13.8 VDC, negative ground, built-in reverse polarity protectionCurrent consumption 0.8 A Stand by, 2.2 A SSB (10W pep output), 3.5 A CW (10 W output)Transmit duty cycle 100 % (SWR < 2:1, T < 40 °C)Output Power 10, 5, 2, 1, 0.5, 0.2, 0.1 Wpep (SSB/TUNE), 10, 5, 2, 1, 0.5, 0.2, 0.1 W (CW)Antenna impedance 50 OhmLoad tolerance 2:1 or better SWR recommendedCarrier suppression Better than 70 dBUnwanted sideband suppression Better than 70 dBSpurious emissions Better than -60 dBcHarmonic emissions Better than -50 dBcAudio frequency response -0.5 dB (300 - 2700 Hz), phase linear, > -70 dB (0 - 3000 Hz)Audio input impedance 10 KOhmAudio A/D converter 1-bit, 6 Msps sigma deltaRF D/A converter 14-bit, 90 MspsCW keyer Automatic "non-iambic" mode (Manual/external keyer supported), semi break-inCW keyer speed from 10 to 50 WPMSize 6.2 H x 16.5 W x 18.5 D cm (Cabinet) 6.2 H x 16.5 W x 22.0 D cm (Overall)Weight 980 gNote: 1. The Digimit 2002 covers the entire HF range, from 1 MHz up to 30 MHz. Performances are granted only on amateur bandlimits.
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More info: http://www.microtelecom.it/digimit/techart.htm
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