Triton IV Model 540
Description
Solid state transceiver covering 3.5 to 30 Mhz with 200 watts input on all bands.
Accessories
Reviews
Mods & Tips
- Triton VI Service Note SN-1-540 - Using Accessories with the Triton IV
- Add A Crystal Filter To Your Ten-Tec 540! (QST Archive - Must be an ARRL member to access.)
Sales Information
- Triton IV Sales Brochure (1.2 MB)
Specifications
General
- Frequency Bands: 3.5 - 4.0, 7.0 - 7.5, 14.0 - 14.5, 21.0 - 21.5, 28.0 - 28.5, 28.5 - 29.0, 29.0 - 29.5, 29.5 - 30.0 MHz. Ten meter crystals furnished for 28.0 - 29.0 MHz.
- All circuits permeability tuned.
- Tuning Rate: Tuning vernier 25 kHz per revolution, typical.
- Direct frequency readout: Slide rule, color coded dial indicates 100 kHz segment, dial skirt increment to 1 kHz. Accuracy +/- 1 kHz from nearest 25 kHz calibration point.
- Calibrator: 25 Khz pulsed calibrator
- Automatic sideband selection, reversible
- VFO Frequency Stability: Less than 15 Hz change per Fo, averaged over a 40o change from 70o to 110o, after 30 minute warmup. Less than 10 Hz change from 105 to 125 VAC line voltage when using TEN-TEC power supply.
- Power Required: 12-14 VDC, 500 mA receive, 18 A maximum transmit.
- Modular Contruction: 10 plug-in assemblies and 7 fixed circuit boards.
- Semiconductors: 47 transistors, 33 diodes, 11 IC's
- Power switch remotely controls power supply.
- Snap-up front feet.
- Contruction: Rigid aluminum chassis, sub-panels, top and bottom. Cycolac plastic side panels.
- Finish: Etched aluminum panel, textured black top and sides
- Dimensions: HWD 4.5" x 13.625" x 13"
- Weight: 12 lbs.
Receiver
- Mosfet RF Amplifier
- Preselector Resonate Control
- Sensitivity: 0.3 uV for 10 dB S+N/N.
- Filtering: 2.6 kHz bandwidth, 1.8 shape factor at 6/60 dB points. Optional CW Filter - 150 Hz wide, two positions, shape factor 7.2 at 6/60 dB.
- AGC Controlled by RF Gain Control
- Meter Automatically Switched to "S" meter when receiving
- Offset Tuning with Defeat Switch and LED Indicator
- Built-in Speaker in Bottom
- External Speaker/Phone Jack
- Less than 2% Audio Distortion
- WWV Reception at 10 and 15 MHz
Transmitter
- 200 Watts Input, SSB and CW, 100% Duty Cycle
- Instant Band Change, No Tune-up Required
- 8-Pole SSB Filter
- Automatic Level Control on Front Panel, LED Indicator Shows Operation in ALC Region
- CW Sidetone Fed into Audio Amplifier when in CW Mode
- Sidetone Adjustable for Tone and Volume
- Automatic CW Offset of 750 Hz
- Press-To-Talk
- Meter Indicates SWR When Transmitting
- High Impedance Microphone Input
- RF Output Impedance 50 - 75 ohms, unbalanced.