S P E C I F I C A T I O N S A N D A R C H I T E C T U R E C H A P T E R 7
Table 12: Overview of FLEX-3000 Specifications
General
Receiver Frequency Range
10 kHz – 60 Mhz (operating – requires external, customer provided filters below 1.8
MHz to eliminate images); 160m – 6m (specified Amateur bands only)
Transmitter Frequency Range 160m – 6m (specified Amateur bands only); MARS/CAP capable
Frequency Stability (Lab testing not completed)
Operating Temperature Range 14 °F to 122 °F (–10 °C to +50 °C)
Emission Modes
A1A (CW), A3E (AM), J3E (LSB, USB),
F3E (FM), F1B (RTTY), F1D (PACKET), F2D (PACKET)
Frequency Steps 1 Hz minimum
Antenna Impedance
50 Ohms, unbalanced
17 - 150 Ohms, unbalanced (With Tuner ON)
Max SWR 3.0:1 (With Tuner On)
Max Rating TX Out Key Line 50V, 400mA
Audio In/Out
10dBV nominal (consumer level), Input Impedance: 5k Ohms Output Impedance 600
Ohms
Recommended Headphones 40mW, 16 Ohms, 1% THD+N;higher impedance headphones will also work
Power Consumption Rx 1.5A (typ); Tx (100 W) 25A (max.)
Supply Voltage DC 13.8 V ± 10%
Maximum Interconnect
Cable Length
10 feet (3m),
No restriction on DC cable within voltage tolerance limits under load.
Special EMI/RFI Requirements
– CE Compliance Cable
Requirements
1 snap on ferrite bead on DC cable (supplied),
2 snap on ferrite beads on FireWire cable (supplied), and
1 snap on ferrite bead on FlexWire cable.
All beads to be located adjacent to rear panel of radio.
Dimensions: (WxHxD): 12.3” x 1.8” x 12.3” (31.1cm x 4.4cm x 31.1cm)
Weight (approx.):
Receiver
Circuit Type Direct conversion, low IF
Intermediate Frequency Software selectable from DC to 20 kHz
MDS 14 MHz RX Gain attn/off/pre: 1.3/0.3 µV; MDS: -123 dBm/-133 dBm in 500 Hz BW
IP3
+20 dBm at 14 MHz with RX Gain off at 2 kHz or less tone spacing
(S5 IM3 method)
Selectivity (–6/–60 dB)
CW: 500 Hz –6/-60 dB: 5.00/6.40
SSB: 2.4 kHz –6/-60 dB: 2.39/2.54
AM: 6.6 kHz –6/-60 dB: 6.60/6.74
Image Rejection 70 dB or better (160 - 6m Amateur bands)
Transmitter
Power Output 1-100 watts PEP CW and SSB (25 watts AM carrier)
Emission Modes A1A (CWU, CWL), J3E (USB, LSB), A3E (AM), F3E (FM), DIGITAL
Harmonic Radiation
Better than –55 dB (160 - 10m Amateur bands)
Better than –65 dB (6m Amateur band)
SSB Carrier Suppression At least 55 dB below peak output
Undesired Sideband
Suppression
At least 55 dB below peak output
Audio Response (SSB): Flat Response 10 Hz to 20 kHz, 3-band or 10-band Software EQ
3
rd
Order IMD Better than 33 dB below PEP @14.2 MHz 100 watts PEP
Microphone Impedance 600 Ohms (200 to 10 kOhms)
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170 2003-2009 FlexRadio Systems
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