Transmițător CW JUMA TX-500, 60W – 500KHz

Juma TX-500 is a high-performance 60W CW transmitter for the 630m band (500KHz). This CW CMCD transmitter is tested & calibrated, small-sized with digital control. Works as beacon, high dynamic Rx up-converter included, for a 80m receiver. Firmware programmed: v.112. Designed by the JUMA® team (OH2NLT & OH7SV). Manufactured, assembled, tested & calibrated by us @ roWaves Technologies, in Sibiu, Romania. JUMA Radio Team (www.jumaradio.com)

✓ CE certified ( CE certificate can be sent upon request)
✓ 1 year warranty
✓ free technical & limited support via e-mail & WhatsApp
✓ how to use the TX-500 with a receiver or how to operate it ? See Download section

roWaves Technologies owns the legal rights to manufacture and market this transmitter.


Main features:

  • output power: 60W key down CW
  • adjustable gain: (MIN: 4W / LOW: 15W / HIGH: 35W / MAX.: 60W)
  • frequency range: 450 kHz…550 kHz (step 10 Hz, 1 Hz with Windows control software)
  • top quality keyer: speed range of 1…50 wpm (min. 0.1 wpm with serial control)
  • clickless CW keying shape: T/R switch with CW speed adaptive release delay
  • Rx preamplifier & Rx up-converter: from 500 kHz to 3.5 MHz
  • beacon mode: stand-alone
  • Windows software: for PC control (v.1.21)
  • supply voltage range: 12…15Vdc @ 5A
  • dimensions: approx. 18 x 12.4 x 6cm, weight ~ 1kg

Configurable features

  • RX preamplifier: (OFF, 10 dB, 20 dB)
  • RX converter: ON/OFF
  • sidetone frequency: ON/OFF
  • adjustable SWR protection: individual level for each power
  • keyer type: dot priority, lambic, straight and beacon mode
  • LCD: brightness and contrast adjustment
  • serial communication settings

Connectivity

  • power supply: nominal 14 VDC / 5A (Standard DC socket)
  • antenna: 50 ohms (BNC connector)
  • 500 kHz or 3.5 MHz: 50 ohms (BNC connector)
  • paddle/straight key: (3.5 mm jack)
  • RS232 for firmware/beacon programming: 3.5 mm jack
  • external PTT in/out: 3.5 mm jack

Below you can find complete technical specifications, documentation (diagrams, measurements etc.).

Shipping safe with DHL. See the estimated shipping cost to your country HERE.

574,80 EUR (excl. TVA)

disponibil cu pre-comanda

ParameterSymbolValueUnitsConditions / comments
Frequency rangeFop.450...550KHz
Standard RF powerPnom60
Wkey down
Gain / power settingsGstep4
15
35
60
WMIN
LOW
HIGH
MAX
Operating modesOPMCW-CMCD (current mode class D)
Harmonic outputsPh1f (carrier)
2f
3f
4f
5f
6f
0dB @ 90W
-62.7dB @ 32uW
-60.7dB @ 51uW
-89.7dB @ 64nW
-77.7dB @ 1uW
-110.7dB @ 0.5nW
L I N K
Supply voltage rangeVdc range12 ÷ 15Vdcvoltage monitoring on LCD
Nominal voltageVdc14Vdc
Max. supply voltageVdc max.15Vdcdo not exceed this value!
Nominal currentIdc5Adc@ 60W
FW versionFW1.04-current firmware installed
LCD2 x 16CHdisplays:
- output power / SWR
- supply voltage
- drain current
- CW speed (WPM)
- state (STBY, OPER, TX)
- frequency with 5 digits e.g. 501.00 kHz
Mechanical dim.L x W x H180 x 124 x 60mmwith case
Weightg1000gwith case
TX-500 manual:
TX-500 block diagram:
Beacon programming instructions:
Windows control software quick guide:
Beacon operation:
Antenna application note:
Digital Control Module schematic, Part 1:
Digital Control Module schematic, Part 2:
RF Module / PA stage schematic, Part 1:
RF Module / PA stage schematic, Part 2:
Assembly image
Greutate 1000 g
Dimensiuni 18 × 18 × 6 cm

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