.RX:S-meter, TX: Output power, SWR and compression selectable
RX:S-meter and calibrated input signal power meter
TX:Output power, SWR and compression (displayed simultaneously)
24h real time clock (powered from ionistor during power off periods)
I have measured the following specifications:
| Coverage | Amateur radio bands (160m,80m,40m,30m,20m,17m,15m,12m,10m) |
| Tuning step size | 0.25 Hz and more (two tuning speed for each mode is available), implemented adaptive tuning step (1x..20x) |
| Tuning rate | 625Hz per revolution (for 0.25Hz step size) |
| Antenna impedance | 50 Ohm (two SO-239 antenna terminals) |
| Modes | USB, LSB, CW (Normal/Reverse), AFSK, RTTY (decode only by now), (PSK31 with decoder and coder will be implemented in software later) |
| IFs | 1st IF=5MHz 2nd IF=16kHz |
| Display | 128x64 graphic LCD, Yellow-Green LED backlit |
| Supply | 13.8V |
| Dimensions | 290mm x 300mm x 150mm (WxDxH) |
| The following specifications have been measured with the preamplifier is OFF. | |
| Noise figure | 17 dB |
| IMD3 DR @ 20kHz spacing, 500Hz BW | 102...109 dB (depending from the band) |
| IP3 @ 20kHz spacing | +30...+40.5 dBm (depending from the band) |
| IP3 @ 5kHz spacing | +28.5 dBm |
| IP3 @ 1kHz spacing (two tones inside the roofing filter passband) | +9dBm |
| The following specifications have been measured with the preamplifier is ON. | |
| Noise figure | 10 dB |
| IMD3 DR @ 20kHz spacing, 500Hz BW | 100...107 dB (depending from the band) |
| IP3 @ 20kHz spacing | +20...+30.5 dBm (depending from the band) |
| Receiver phase noise | |
| 2kHz spacing | -120 dBc/Hz |
| 5kHz spacing | -128 dBc/Hz |
| 10kHz spacing | -133 dBc/Hz |
| 20kHz spacing | -136 dBc/Hz |
| 40kHz spacing | -142 dBc/Hz |
| AGC system parameters | |
| AGC system | Forward type, all digital |
| AGC range | 108 dB |
| AGC hang time (programmable) | 0.02-5.00 s (in 0.02 s steps) |
| AGC attack time | 1 ms |
| AGC slope/depth | Adjustable (0dB, 3dB, 6dB, 10dB, 15dB) |
| In-Band IMD | Less than -60 dB (for S9 and S9+40dB signal in any AGC mode) |
| DSP filters parameters | |
| Selectivity | 100Hz-3000Hz bandwidth in 50Hz steps |
| Manual notch | Adjustable 60...350Hz @-6dB width in 10Hz steps (30Hz@-60dB
width, 60Hz@-6 dB width; tunable LMS adaptive filter). Implemented tracking mode. |
| Auto notch | Modified adaptive NLMS filter |
| Noise reduction | Adaptive Autocorellation filter
(adjustable autocorellation function length, front panel adjustable
noise reduction level) |
| Noise blanker | DSP based, adjustable threshold and blanking pulse width |
| Bass/Treble control | -6dB..+6dB in 1dB steps |
| Transmitter | |
| Output power | 20W continuous |
| IMD3 | -42 dB @ 10W output, -29dB @ 20W output |
| SSB monitor | DSP IF |
| CW envelope shape | sine^4 shape, adjustable rise/fall from 2ms to 8ms |
| Automatic memory keyer (built in) | |
| Speed (adjustable from the front panel) | 10-60 WPM |
| Memory | 12 message, up to 55 characters each |
| Sidetone | pure sine shape, adjustable from 150Hz to 1500Hz in 5 Hz steps |
| Dash/Dot ratio | adjustable from 1:2.5 to 1:4.5 in 0.25 steps |
| Other features | Automatic contest number generation, 5 different number formats available |
| Meter | |
| Analog |
RX:S-meter, TX: Output power, SWR and compression selectable |
| Digital |
RX:S-meter and calibrated input signal power meter TX:Output power, SWR and compression (displayed simultaneously) |
| Other features | |
|
24h real time clock (powered from ionistor during power off periods) | |
| 30 memory channels with brief comments | |
| 5 tunable quick memory channels | |
| Triple band stacking register | |
| AFC and tuning indicator in RTTY mode | |
| Adjustable voice operated squelch for SSB mode | |
| CAT system compatible with Kenwood command set | |
| Built in dual tone generator for transmitter testing | |
