Specifications – Elecraft K1 User Manual

Page 6

LECRAFT

2. Specifications

Measurements were made using a 14-V supply and 50-ohm load.

General

Size (H x W x D)

Cabinet

2.2 x 5.2 x 5.6" (5.6 x 13 x 14 cm)

Overall

2.4 x 5.2 x 7.1" (6 x 13 x 18 cm)

Weight

1.4 lbs. (0.6 kg), excluding options

Supply voltage

8.5 to 15 VDC

Current drain

Receive

55 mA typ. (no signal)

Transmit

700-900 mA typ. (5 W, 14 VDC)

Bands covered (MHz) 3.5, 7.0, 10.1, 14.0, 18.05, 21.0

(2 or 4 selected bands per module)

Frequency control

Electronically-tuned 3 MHz VFO;

approx. 80 or 150 kHz range,
selected during assembly

VFO drift

< 200 Hz per hour after 5-minute

warm-up at 25° C

RIT/XIT range

Approx. +/- 3 kHz

Display

3-digit LCD w/bargraph modes

The RIT/XIT range can be easily modified; see page 55.

Transmitter

Power output

0-5 watts or higher; spurious and

harmonic content -40 dB @ 5 W

Load tolerance

2:1 or better SWR recommended;

will survive high-SWR operation

Sidetone pitch

400-800 Hz in 10 Hz steps

Internal keyer

8-50 WPM; Iambic modes A and B;
2 message buffers; auto-repeat

Receiver

Sensitivity

Approx. 0.2 µV for 10 dB (S+N)/N

I.F.

4.915 MHz, single conversion

Selectivity

4-pole variable-bandwidth crystal
filter, approx. 200-800 Hz

Audio output

1 watt (peak) into 8-ohm load

Int. speaker

8 ohms, high-efficiency

Headphones

8 ohms or higher; stereo plug

or ext. speaker

(mono optional--see page 31,
second assembly step)