9
RECEIVER (Main and Sub)*
Sensitivity (MDS) -136 dBm (typ.), preamp on, 500 Hz b/w. Reduced sensitivity near 8.2 MHz (first
I.F.). 6 m MDS with PR6 option: -143 to -144 dBm (typ.).
KBPF3 option required for full general-coverage receive, including broadcast band
(0.5 to 1.7 MHz). Note: Sensitivity gradually decreases below 1.8 MHz due to high-
pass response of T-R switch. This protects the PIN diodes.
IMD3 Dynamic Range > 100 dB typical at 5, 10, and 20 kHz spacing.
Blocking Dynamic Range 140 dB typical at 5, 10, and 20 kHz spacing
Image and I.F. Rejection > 70 dB
Audio Output 2.5 W per channel into 4 ohms; typ. 10% THD @ 1 kHz, 2 W
S-Meter Nom. S9 = 50 µV, preamp on; user-adjustable
Noise Blanker Adjustable, multi-threshold/multi-width hardware blanker plus DSP blanker
Receive AF graphic EQ +/- 16 dB/octave, 8 bands
Filter Controls IF Shift/Width & Lo/High Cut with automatic crystal filter selection
* Dynamic range measurements based on 400-Hz, 8-pole filter. Other available filters have very similar performance; see
www.elecraft.com for full list. Receive specifications are guaranteed only within ham bands.
TRANSMITTER *
Output Power K3/100: 0.1 W –100 W typ. (reduced power in AM mode).
K3/10 (or K3/100 with PA bypassed): 0.1 W –12 W, HF-10 m; 8W max on 6 m.
XVTR OUT (KXV3 option): 0.1 to 1.5 mW (-10 to +1.8 dBm).
Duty Cycle CW and SSB modes, 100% 10-min. 100W key-down at 25 C ambient
True RF Speech Processor Adjustable compression
Transmit AF graphic EQ +/- 16 dB/octave, 8 bands
SSB TX Bandwidth 4 kHz max (> 2.8 kHz requires 6 kHz AM filter)
SSB TX Monitor Post-DSP filtering/processing
VOX DSP-controlled, adjustable threshold, delay, and anti-VOX
Full and Semi CW Break-In Adjustable delay; diode T/R Switching
SSB Carrier Suppression > 50 dB
Harmonic and Spurious
Outputs
> 50 dB below carrier @ 100W (> 60 dB on 6 meters)
CW Offset/Sidetone 300-800 Hz, adjustable (filter center frequency tracks sidetone pitch)
Mic Front panel 8 pin mic connector; rear panel 3.5 mm mic connector. Switchable DC
bias voltage available for electret mics (see MAIN:MIC SEL menu entry)
* Transmit specifications are guaranteedonly within ham bands.
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