Specifications

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57 / 86 28.8.2007 13:16
MODES: AM, LSB, USB, CW
FREQUENCY RANGE: 100 kHz - 30 MHz
FREQUENCY ACCURACY: +/- 100 Hz at 25 degrees C.
MEMORIES: Limited only by available RAM in PC, virtually any PC will store 1000's of stations.
SENSITIVITY:
MODE B/W Sensitivity
AM (80% mod @ 1 kHz) 6 kHz .64 uV for 12 dB S+N/N
CW/SSB 2.5 kHz .3 uV for 10 dB S+N/N
NOTE: Sensitivity was measured at 80% modulation, not 30%.
SELECTIVITY: 34 IF-DSP bandwidth filters built-in. 300 Hz, 330 Hz, 375-750 Hz in 75 Hz steps, 750-3000 Hz in 150 Hz steps, 3000-6000 Hz in 300 Hz steps, 8 kHz.
THIRD ORDER INTERCEPT: + 10 dBm
DYNAMIC RANGE: 90 dB @ 2.4 kHz bandwidth at 50 kHz spacing
I-F FREQUENCIES: 1st I-F 45 MHz, 2nd I-F 455 kHz, 3rd I-F 12 kHz
I-F REJECTION: > 60 dB
IMAGE REJECTION: > 60 dB
I-F OUTPUT: Center frequency, 12 kHz; bandwidth > 10 kHz; level approx. 2 V pk-pk into 600 ohms, sound-card compatible.
ANTENNA: 50 ohm unbalanced for external antenna. High impedance at telescoping whip connection, automatically switched out of line when external antenna connected.
PC INTERFACE: Industry standard serial interface on DB9 connector
CONNECTIONS: + DC input, DB9 for serial port, external antenna, line output to sound card, I-F output, external speaker.
POWER REQUIRED: < 500 mA at 13.5 - 15 VDC, wall transformer 110 VAC supplied
AUDIO: 1 watt at 4 ohms. > 1 v p-p output into 600 ohms (typical to drive a sound card).
CONSTRUCTION: 2 epoxy-glass PC boards, aluminum chassis, steel top and bottom
SIZE: HWD 3" x 6.25 " x 6.5"
WEIGHT: 2.5 lbs (1.14 kg)
The following specifications for Ten-Tec's RX-320D were measured by QST Magazine. Note the large
discrepancy between these figures and those supplied by the manufacturer.
AM Sensitivity 10dB, 30% modulation, 1kHz
1 MHz 7.4 uV
3.8 MHz 1.36 uV
Spurious and image rejection
First IF rejection 14 MHz, 54 dB
Image rejection: 14 MHz, 102 dB
Noise floor, 500 Hz filter
1 MHz -117 dBm
3.5 MHz -133
14 MHz -134
Software-defined radios and processor boards
RFspace SDR-14