RigPix logo

Elecraft logo


Back to main

Back to Elecraft

Next HF and more


Copyright logo


Last modified 2023-03-03

Valid HTML 4.01 Transitional

Elecraft K3s / 100

A picture of Elecraft K3s / 100

SPECIFICATIONS

GENERAL
Type:Amateur HF/VHF transceiver
Frequency range: TX: 10-160 m + WARC / 6 m
RX: 0.1-30 / 44-54 MHz
(2 m option. Also 472 KHz with KBPF3A)
Tuning steps:1 / 10 / 20 / 50 Hz
Frequency stability:Standard: 5 ppm @ 0 to 50C (32 to 122F)
Mode:AM / FM / SSB / CW / Data / FSK / AFSK
Channels / memory management: 100 regular
4 scratch pad per band
Repeater shift / offset:0 to 5000 KHz
Power supply:11-15 VDC (Anderson PowerPoles)
Current drain / power consumption:RX: 1 A (Single RX)
TX: Max 22 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):272*102*254 mm (10.7*4*10")
Weight:3.8 Kg (8.5 lb), without options
Other features: USB audio and control. RS-232C. Built-in PSK31/PSK63/CW/RTTY encoder/decoder.
Realtime clock. Transverter interface. 1750 Hz call tone. 32-bit IF DSP. VOX.
CTCSS/PL encoder.Graphic equalizer. VOX. Built-in keyer. 3-step attenuator.
DVR option. Sub RX option.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 8.2 MHz
2nd IF: ? KHz
Sensitivity: HF: -138 dBm (MDS, preamp 1)
6 m: -145 dBm (MDS, preamp 2)
(Specifications guaranteed only within ham bands)
Selectivity:
Image rejection:70 dB
AF output power / speaker:2.5 W at 10% distortion / 4 ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power:

HF6 m2 m*472 KHz**
AM:0.1-100 W0.1-100 W (85 W)0.1-10 W~0.5 mW
FM:0.1-100 W0.1-100 W (85 W)0.1-10 W~0.5 mW
SSB (PEP):0.1-100 W0.1-100 W (85 W)0.1-10 W~0.5 mW
CW:0.1-100 W0.1-100 W (85 W)0.1-10 W~0.5 mW

* With 2 m option
** With KBPF3A
Modulation system:
Max FM deviation (Factory set):5 KHz
Spurious emissions:HF: Better than -50 dB
6 m: Better than -60 dB
Microphone impedance / connector:? ohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:USA, 2015-20xx (Discontinued)
Additional info: This is basically an updated K3 with many improvements
Same as the K3s / 10 but with the 100 W amplifier unit included
Related documents: User manual Rev.A1 (5.4 MB)
Manual errata Rev.A1-2 (100 KB)
Modifications and fixes:
Reviews:
Options / Accessories:
KAT3A
KAT500
KBPF3A
KDVR3
KPA500
KRX3A
KTCXO3-1
K3/0-Mini
K3EXREF
K144XV
P3
Internal auto-ATU with dual antenna switch
500 W+ wide-range ATU
General coverage bandpass filter array
Digital voice recorder
500 W+ hi-perf 6-160 m linear amplifier
Hi-perf sub receiver
High-stability TCXO. 0.5 ppm typical
Mini panel. For remote operation of K3 or K3s
External reference lock
2 m module
Fast and sensitive panadapter with hi-res display
A rear picture of Elecraft K3s/10