TEN-TEC RX-340
Specifications

 

 

 

RX-340 Specifications.

Frequency Range ..... 5 - 30000 kHz Modes ............... AM/USB/LSB/ISB/CW/FM/AM-Sync. Power ............... 90 - 264 VAC 48-440 Hz 30 Watts Antenna Input ....... 50 ohm unbalanced BNC Selectivity (-6dB) .. 57 bandwidths selectable from 0.1 kHz to 16 kHz. Shape factor 1.5:1 or better. 6 to 60 dB. 100 350 1000 1800 3200 5600 9600 16000 120 400 1100 1900 3400 6000 10400 150 450 1200 2000 3600 6400 11200 170 500 1300 2200 3800 6800 12000 200 600 1400 2400 4000 7200 12800 220 700 1500 2600 4400 7600 13600 250 800 1600 2800 4800 8000 14400 300 900 1700 3000 5200 8800 15200 (ISB fixed at 3.2 kHz, S-AM fixed at 6 kHz.) Sensitivity ......... <.14 µV CW .5-30 MHz (10 dB S+N/N) Typical. Preamp on. <.25 µV LSB/USB/ISB <.56 µV AM <.90 µV FM Stability ........... ±1 PPM (0-50° C.) AGC ................. Fast 0.8 dB/ms attack, 0 hang, 1200 dB/sec Decay Med 0.8 dB/ms attack, 0 hang, 100 dB/sec Decay Slow 0.8 dB/ms attack, 0 hang, 25 dB/sec Decay Prog. 0.01-1 dB/ms attack, 0.01-99.9 hang, 0.01-99.9 dB/sec Decay Ext. Ref. ........... 1, 2, 5 or 10 MHz. IF Output Post DSP... 455 kHz Center Frequency, bandwidth determined by filter selected IF Rejection ........ 90 dB typical, 80 dB minimum Image Rejection ..... 90 dB typical, 80 dB minimum Ultimate Rejection .. 70 dB minimum regardless of filter selected Second Ord. Intercept 75 dBm typical Third Order Intercept 30 dBm typical Synthesizer Lock .... 10 msec typical BFO ................. Tunable in CW only ±8 kHz in 10 Hz steps. Fixed in SSB/ISB. Wideband Output ..... First Mixer: 45.555 MHz Center Frequency Audio Line Output.... Two 600 ohm (one for each sideband in ISB) Headphone Output .... ¼ inch. Stereo in ISB, switchable to LSB, USB or both. Mono in other modes. Passband Tuning ..... ±2 kHz in USB, LSB and CW Spurious Responses... Less than -119 dBm equivalent input - preamp on. LO Phase Noise ...... -120 dBc/Hz @20 kHz offset typical, -110 dBc/Hz maximum. Memories ............ 100 channels (frequency, mode, bandwidth, BFO settings). RS-232 Port ......... 75 to 38,400 baud. Circuit Type ........ D.S.P. Environment ......... 0-50° C (32-122° F) Dimensions .......... 19" x 5.25" x 12.5" 482x133x317 mm Weight .............. 12.5 Lbs. net (5.7 kg)