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不知这好还是 k2 好, 差不多价位 usd 800.00
general specifications:
frequency range: 500 khz-30 mhz rx; 1.8-2.0, 3.5-4.0, 7.0-7.3, 10.1-10.15, 14.0-14.35, 18.068-18.168, 21.0-21.45, 24.89-24.99, 28.0-29.7 tx
tuning steps: selectable 10 hz or 1 khz ssb, cw; 100 hz or 5 khz am; 2.5 or 5 khz fm
frequency stability: ± 20 ppm over temperature (tcxo option available for improved stability)
frequency accuracy: ± 100 hz at 25° c (tcxo option available for improved accuracy)
modes: usb, lsb, afsk, am, fm, cw
ifs: if1=45 mhz, if2=450 khz, if3=14.5 khz
display: 7-segment led
vfos: dual with split capability
memories: 100
antenna: 50 ohms, so-239
construction: epoxy/glass pc boards, molded front panel, aluminum chassis, steel cabinet
supply voltage: 13.8 vdc
operating temp. range: 0-50 °c
dimensions: 2.75" x 8.5" x 9.7" (7 x 21.6 x 24.6 cm). includes rear panel heat sink.
weight: 5 lbs. (2.2 kg)
receiver:
sensitivity: ssb, cw, 0.35 µv typ., 0.5 µv max. for 10 db sinad at 2.4 khz bw
am, 1.0 µv typ., 1.2 µv max. for 10 db sinad at 6 khz bw, 60% modulation
fm, 1.0 µv typ., 1.2 µv max. for 12 db sinad at 15 khz bw, 3 khz deviation
selectivity: 35 built-in filters from 200-3000 hz, ssb, cw; 400-6000 hz am, 15 khz fm
ip3: +4 dbm typ. (20-khz spacing, arrl method)
ip2: +66 dbm typ. (arrl method)
image rejection: 70 db typ.
if rejection: 70 db typ.
current drain: 950 ma, no signal, typ.
rit range: ± 10 khz
pbt range: ± 2.5 khz
audio: internal speaker, 2 watts into 4 ohms <5% thd. line out, 600 ohms, 2 v p-p (0 dbm).
s-meter: s-9 = 50 µv
transmitter:
power output: adjustable 1-20 w, alc controlled
duty cycle: 100% w/ 308 fan kit option
current drain: 7 a max., 20 w cw.
harmonics and spurious suppression: -43 dbc max., 20 w; -33 dbc max., <5 w.
carrier and opposite sideband suppression: >50 db
microphone input: 10 kohms, 5 mv for full power output; dc present at input for electrets
meter: forward power 25w/5w, reflected power 25w, swr 1.0:1 to 2.5:1, collector current 0-9a.