K3S/10 Transceptor 10W 160 - 6M (Kit Modular)


  • K3S/10 Transceptor 10W 160 - 6M  (Kit Modular)
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K3S/10 Transceptor 10W 160 - 6M  (Kit Modular)


ATENÇÃO: Esse produto é fornecido em kit para montagem, após a montagem o comprador deverá providenciar a homologação do equipamento junto a Anatel. As instruções de montagem estão em inglês. Não temos a tradução para português. É necessário domínio de leitura em inglês e conhecimentos técnicos de eletrônica.

Em breve traducão em Português (BR).


Elecraft’s state-of-the-art K3 transceiver offers a unique combination of ultra-high performance and affordability.

Both 100-watt and 10-watt (upgradeable) models are available. No-soldering kit; also available fully assembled and tested, the K3 is comparable in both features and performance to transceivers listing at up to six times its price.

In a first for the industry, the K3’s identical main receiver and subreceiver each feature a high-dynamic-range, down-conversion analog architecture. This allows Elecraft to provide roofing filters with bandwidths as narrow as 200 Hz, while up-conversion designs have roofing filters typically 3,000 to 15,000 Hz in width. Unlike some competing down-conversion designs, the K3 also provides 6-meter coverage, as well as continuous tuning from 0.5 to 30 MHz. Each receiver has its own bus-switching mixer, narrow ham-band front-end filters, 32-bit I.F. DSP, low-noise synthesizer, and up to five crystal roofing filters.

The K3 is the only deluxe transceiver that is targeted at both home and field use. Weighing just 8 pounds and having dimensions of 4” x 10” x 10” HWD (10 x 25 x 25 cm), it’s well-suited to demanding DXpedition or Field Day operations. Its receive-mode current drain of less than 1 amp greatly facilitates battery or solar-powered mobile/RV/marine installations. But unlike smaller portable transceivers, the K3’s user interface is optimized for ease of use, and its feature set rivals units many times its size and weight.

The transceiver is offered both factory-assembled and as a modular, no-soldering kit. Either way, K3 owners can start with a basic version of the transceiver, at lower cost, then easily add modules later, such as the internal subreceiver, ATU, and 100-W stage. To ensure identical performance of both pre-built units and modular kits, modules are 100% assembled and tested at the factory. Builders learn the radio theory behind each of the modules during assembly, and acquire skills that will enable them to easily add future modules or upgrades.

Two 32-bit digital signal processors provide true software-defined features, along with expansion memory to handle future signal processing tasks and operating modes. The operator will have full control over any operating situation, with 8-band receive and transmit EQ, stereo speaker/soundcard outputs, binaural effects, and advanced noise reduction. Also included is built-in PSK31, CW, and TTY decode/encode, so the operator can enjoy the excitement of data communications with or without a computerThe rig’s rich I/O complement includes an isolated sound card interface, front/rear mic/phone jacks, dedicated serial I/O, and band data. An optional module provides transverter in/out and RX antenna in/out jacks. The latter allow the use of RX-only, in-line filters for extreme operating environments.

Available options include: built-in 100-W automatic antenna tuner with two antenna jacks (KAT3), subreceiver (KRX3), general-coverage front end band-pass filter module (KBPF3), 100-W stage (KPA3), RF I/O unit for RX antenna, IF Out and transverter interfacing (KXV3A), digital voice recorder (KDVR3) and our all mode 2-m (144-148 MHz) all mode internal option (K144XV). 

ATENÇÃO: Esse produto é fornecido em kit para montagem, após a montagem o comprador deverá providenciar a homologação do equipamento junto a Anatel. As instruções de montagem estão em inglês. Não temos a tradução para português. É necessário domínio de leitura em inglês e conhecimentos técnicos de eletrônica.

Em breve traducão em Português (BR).



Frequency Range: Main and Sub Receiver: 500 kHz - 30 MHz, 48-54 MHz. (Reduced sensitivity in region of 8.215 MHz IF. KBPF3 required for general coverage receive/transmit.) Transmitter: Amateur bandsbetween 1.8 and 54 MHz. (Transmit limits vary by country.) MARS TX mod available.

Tuning Step Sizes: 1, 10, 20, and 50 Hz; per-mode coarse tuning of 1, 2.5, 5, 10 kHz, or user-selected rate. Direct keypad frequency entry in either MHz or kHz.

Memories: 100 general purpose, plus 4 per-band scratchpad memories (M1-M4).

Frequency Stability: +/- 5 ppm 0-50 C TCXO standard; +/- 0.5 ppm TCXO optional.

Antenna Impedance: 50 ohms nominal.

Antenna Connectors: SO-239 (2nd SO-239 antenna jack supplied with KAT3 ATU). BNC for RX antenna in/out (KXV3 Option).

Modes: USB, LSB, AM, FM, CW, and DATA. In DATA mode: Direct FSK, AFSK, or PSK31. Built in PSK31, RTTY, and CW text decode/display.

VFOs: Dual VFOs (A and B) with separate weighted tuning knobs.

Remote Control Port: EIA-232 standard DE-9F plus USB adapter option. Full control of all radio functions.

Audio I/O: PC line-level isolated TX/RX audio interface (stereo outputs); front and rear stereo headphone jacks; stereo speaker jacks.

Low Level Transverter Interface: 0 dBm typ.; BNC connectors (KXV3 Option).

Buffered IF output: BNC connector (KXV3 Option).

Other I/O: Key/Keyer/Computer, Paddle, PTT In, and KEY Out. Band information output via binary interface and AUXBUS on ACC connector.

Supply Voltage/current: 13.8 V nominal during TX. (11 V min, 15 V max). 17-22 Amps typical in TX (100W). 0.9A minimum RX.

Weight: 8.5 lbs max. (K3/100 with ATU and Sub Rx installed.)




Sensitivity: -136 dBm or better (typical), 500Hz b/w.

IMD3 Dynamic Range (400 Hz 8-pole filter): >100 dB typical at 5, 10, and 20 kHz spacing

Blocking Dynamic Range (400 Hz 8-pole filter): 140 dB typical at 5, 10, and 20 kHz spacing

Image Rejection: > 70 dB

IF Rejection: > 70 dB

S-Meter: Nominally S9 = 50 uV, preamp on; user adjustable.

Noise Blanker: Adjustable, multi-threshold, multi-width hardware blanker plus DSP blanker.

8-Band RX graphic EQ: +/- 16 dB/octave.

IF Shift/Width & Lo/High Cut adjustable filtering.




Output Power: 200 mW –100 W, ALC controlled (Reduced power on AM.)

Duty Cycle: CW and SSB modes 100%. RTTY/data  easily handles 10-min. 100W key-down at 25 C ambient.

True RF Speech Processor: Adjustable compression and level. 

TX Audio Adjustable Noise Gate to get rid of background noise and give your signal more presence.

8-Band TX audio graphic EQ: +/- 16 dB/octave. Customize the K3 for your voice and microphone.

SSB TX Bandwidth: 4 kHz max. (> 2.8 kHz requires 6 kHz AM filter and ESSB TX EQ adjustment).

TX speech Monitor: Monitors after DSP filtering and processing.

VOX: DSP-controlled, adjustable threshold, delay. and anti-VOX.

Full and Semi CW Break-In: Adjustable delay. Silent Diode T/R Switching.

Adjustable CW Rise/Fall Time: 5 ms.

Key Out to RF Out Delay: Adjustable up to 20 ms.

SSB Carrier Suppression: > 50 dB.

Harmonic and Spurious: > 50 dB below Carrier (100W) typical.

CW Offset/Sidetone: 400-800 Hz, adjustable in 10Hz steps.

Mic: Front 8 pin microphone connector, rear 3.5 mm microphone connector, wide mic gain adjustment range. PTT In (RCA jack) usable in all modes.

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