Specifications

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48 / 86 28.8.2007 13:16
FREQUENCY STABILITY: +/-1 PPM per degree C within operating range 0 - 50 degrees C using internal
reference. Optional TCVCXO provides +/- 1 PPM over entire operating range.
ACCURACY: All internal oscillators are locked to either internal or external frequency standard. The internal
reference is adjustable by a continuously variable trimmer to allow calibration to any desired accuracy.
EXTERNAL FREQUENCY REFERENCE: 1, 2, 5, or 10 MHz ( +/- 1 PPM, 200 mv p-p into high impedance
load). Receiver automatically switches to this reference upon application, at power up or after any serial link
activity.
SPURIOUS RESPONSES: All spurious less than -119 dBm equivalent input-preamp on.
IMAGE REJECTION: 90 dB typical, 80 dB minimum.
BFO: Tunable in CW mode only, +/- 8kHz. Tuning in 10 Hz steps with a tuning accuracy of +/- 10 Hz of
desired frequency setting. Fixed frequency in SSB/ISB (455 kHz), disabled in AM and FM.
SYNTHESIZER LOCK TIME: 10 msec typical
ANTENNA INPUT: 50 ohm, unbalanced, BNC connector. 2.5:1 VSWR max @ receiver's tuned frequency.
SELECTIVITY: 57 bandwidths selectable from .1 kHz - 16.0 kHz. Shape factor 1.5:1 or better. (6 to 60 dB)
GROUP DELAY: no more than .1 ms variation over passband of 300 Hz to 3050 Hz.
ULTIMATE REJECTION: 70dB minimum regardless of filter selected.
LO PHASE NOISE: -120 dBc/Hz @ 20 kHz offset typical, -110 dBc/Hz maximum.
IF REJECTION: 90 dB typical, 80 dB minimum.
MEMORIES: 100 memory store and recall.
OPERATING TEMPERATURE RANGE: 0 - 50 degrees C @ full specification. -10 - 60 degrees C with
degraded performance.
* Applicable from 500 kHz - 30 MHz unless otherwise stated.
*Note: Sensitivity is quoted at 50% modulation, not 30% as is customary.
SENSITIVITY:
(PREAMP OFF)
(PREAMP ON)
Mode BW SINAD TypicaldBm/uV MindBm/uV TypicaldBm/uV MindBm/uV
AM (50% mod @400 Hz) 6.0 kHz 10 dB -103/1.6 -101/2.0 -112/.56 -108/.9
FM (6kHz dev @1kHzmod) 16.0 kHz 16 dB -102/1.8 -100/2.2 -108/.9 -104/1.4
USB/LSB/ISB 3.2 kHz 10 dB -112/.6 -107/.7 -119/.25 -115/.4
CW .3 kHz 16 dB -116/.35 -114/.45 -124/.14 -120/.22
SENSITIVITY: LOW FREQUENCY RANGE (PREAMP OFF)
Mode Frequency Typical dBm
CW @ 300 Hz BW SINAD - 16 dB 500 kHz -116 dBm/.35 uV
100 kHz -115 dBm/.4 uV
50 kHz -114 dBm/.45 uV
20 kHz -107 dBm/1 uV
15 kHz -104 dBm/1.4 uV
10 kHz -94 dBm/4.5 uV
5 kHz -82 dBm/18 uV
DYNAMIC RANGE:
Mode Noise Figure (dB) Typ Min 3rd Order Intercept (dBm)Typ Min
10 dB PREAMP ON 10 14 20 15
PREAMP OFF 17 19 30 25
15 dB ATTEN 32 34 45 40