the elecraft kx3 and qrp antennas
Post on 07-Aug-2015
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Elecraft KX-3• 160-6 meters SSB/CW/DATA/AM/FM • 10 W PEP (100 W with KXPA100 amp)• RTC and Battery Charger Board• 1.5 pounds + Current drain @150 mA• Pin Diode switching• Roofing Filter Option• Optional attached keyer paddle• -135 dbM receive (Sherwood Tests)• One-click firmware upgrades via the web (with free PC software)• Center-tuning indicator for CW and data modes• 8 band equalizer tailors passband to your voice and microphone• Internal options include ATU, battery charger, 2-m module; built-in speaker• Advanced 32 bit DSP provides dual watch, NR, NB, auto-notch• Software-defined radio (SDR) architecture• Operates in data modes (PSK31/RTTY) w/ or w/o a PC; includes RX I/Q
soundcard outputs• 30 sec DVR up to 4 channels• Norcal & Elecraft: Wayne Burdick (N6KR), Eric Swartz (WA6HHQ)
Direct Conversion SDR Design
LO is the operating frequencyRoofing Filter limits audio to AF chainDSP manages filter Bandwidths
Superhet
Good, Bad and UglyGood:• SDR receiver with excellent receive• Software driven provides many controls and DSP features• Low current consumption• Awesome customer serviceBad:• Likes a tuned input so SWLing a bit harder• Form factor different than the Icom 703 or Yaesu Ft-817• Microphone connection week – 4 pin plug• Lots of cables in the harness• Internal AA batteries needs a optional charger board $60• Low speaker output – needs a separate amplifier or headphones• AM BW about 4.2 KhzUgly:• Expensive• Direct Purchase and Repair only
PX3 Panadapter and KP100 Amp
• Full-color waterfall and spectrum displays, with fast sweep and excellent sensitivity
• Simple plug-and-play operation—no PC, soundcard, software drivers or setup required
• CW RTTY and PSK Display
100w with ATU
iSDR app and KX3 Controls- Griffin iMic , Apple Camera Connectivity
Kit, iPad 2 - Manual Tuning of Pass band
- Pignology by Nick N3WG- Hamlog App and Piglet
- KX3mate and KX3 Companion - Android
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