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Last modified 2023-02-28

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Elecraft KX3

A picture of Elecraft KX3

SPECIFICATIONS

GENERAL
Type:Amateur HF/VHF transceiver
Frequency range: TX: 10-160 m + WARC / 6 m (2 m option)
RX: 0.31-32 / 44-54 MHz
144-148 MHz / 2 m option
Tuning steps:1 / 10 Hz, 1 KHz
Frequency stability:1 ppm @ 0 to 50C (32 to 122F)
Mode:AM / FM / SSB / CW / Data (PSK31 & RTTY)
Channels / memory management: 100 regular
4 quick memories per band
Repeater shift / offset:?
Power supply:9.6-12 VDC (Internal battery pack) or 9-15 VDC external
Current drain / power consumption: RX: 150-190 mA
TX (1 W): 750 mA
TX (5 W): 1.2 A
TX (10 W): 2.1 A
TX (12 W): 2.4 A
Antenna impedance / connector:HF/6 m: 50 ohm, BNC
2 m: 50 ohm, SMA (With 2 m option)
Dimensions (W*H*D):188*88*41 mm (7.4*3.5*1.6")
Weight:680 g (1.5 lb), without options
Other features: SDR. 32-bit DSP. Built-in auto-AT. Built-in keyer with paddle.
Built-in PSK/RTTY/CW decoder. I/Q output for use with PC.




RECEIVER SECTION
Receiver system: Direct conversion (6-160 m)
Sensitivity: HF: -138 dBm (20 dB preamp)
6 m: -140 dBm (30 dB preamp)
2 m: -142 dBm (500 Hz BW), with KX3-2M
Sensitivity rolls off below 1.8 MHz due to protective high-pass filtering
Selectivity:
Image rejection:55-70 dB depending on filter settings etc.
AF output power / speaker:500 mW at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: 0-12 W (Depending on voltage, band and setting)
Modulation system:
Max FM deviation (Factory set):? KHz
Spurious emissions:HF: Better than -50 dB
6 m: Better than -60 dB
Microphone impedance / connector:? ohm / 4-pin (3.5 mm)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:USA, 2011-202x
Additional info:
Related documents: User manual Rev.C5 (3.5 MB)
Manual errata Rev.C5-3 (91 KB)
Modifications and fixes:
Reviews:
Options / Accessories:
H3
KXAT3
KXBC3
KXFL3
KXPA100
KXAT100
KXPD3
KX3-2M
Hand microphone with up/down buttons
Internal wide-range automatic antenna tuner, 20 W
NiMH charger
Roofing dual bandwidth filter for SSB/CW/Data
External hi-perf 160-6 m power amplifier, 100 W
External wide-range 100 W ATU with dual antenna jacks
Attached precision keyer paddle
Internal 2 m module, 2 W