自大跟朋友说起订了一台ic718以后所有的朋友都说这机器这不好那不好,而且也提到频飘的问题正负200,不是件小事啊,但它真的有那么差吗??就连725 751 751a 80c 等等这些机器都比不了吗??温补晶体,可以后期加装(这个不在考虑之内)
请用过的人指典迷津!!!
ic-718虽然是hf机器,但性价比很高,涵盖160-10米波段。
操作短波从来都是非常容易的。ic-718需要直流12v(标准13.8v)电流20安。ic-718配备hm-36手持话筒和直流电源连接线dc。机器尺寸: 240x95x239毫米 3.8千克
基本特点:
全模式
数字 s/rf 表头
180-10米波段
noise blanker
免持操作
中频偏移
自动静噪
100瓦功率输出
40瓦输出 (调幅 )
multi function meter
可键盘输入频率
cw keyer
front firing speaker
optional af dsp
optional voice synthesizer
10 hz readout
1赫兹步进调节!
频率锁定
性能指标:
频率范围:
rx 0.030-29.999999 mhz (guaranteed range: 0.5-29.999999 mhz)
tx 1.800-1.999999 mhz, 3.500-3.999999 mhz (varies with version)
7.000-7.300000 mhz, 10.100-10.150000 mhz
14.000-14.350000 mhz, 18.068-18.168000 mhz
21.000-21.450000 mhz, 24.890-24.990000 mhz
28.000-29.700000 mhz
工作模式:usb, lsb, cw, rtty (fsk), am
no. of memory channels: 101 (99 regular, 2 scan edges)
频率 resolution:1 hz
频率稳定度: 低于±200 hz从开机后1分钟到60分钟。
after that rate of stability less than ±30 hz/hr. at +25° (+77f).
temperature fluctuations 0°c to +50°c (+32f to +122f) less than ±350 hz.
直流稳定电源需求:13.8 v dc ±15% (负地极性)
工作电流(at 13.8 v dc):
接收:待机 1.3 a ; 最大音量 2.0 a
发射:最大 20.0 a
使用温度范围: -10°c to +60°c (+14f to+140f)
天线接口:so-239 (50欧)(国标sl16座)
体积:240mm (w) x 95mm (h) x 239mm (d)
(projections not included) 9 7/16in (w) x 3 3/4in (h) x 9 13/32in (d)
重量:3.8千克; 8 lb 6 oz
acc接头:13-pin
遥控接头:2-conductor 3.5 (d) mm; (1/8")
发信机
modulation system:
ssb: balanced modulation
am: low level modulation
output power:
ssb, cw, rtty: 5-100w
am: 2-40w
spurious emissions: less than -50 db below peak output power
spurious freq.; below 30 mhz: -50db, above 30 mhz: -60db
carrier suppression: more than 40 db
unwanted sideband: more than 50 db
microphone connector: 8-pin connector (600 ohm)
key connector: 3 conductor 6.5 (d) mm (1/4")
send connector: phono (rca)
alc connector: phono (rca)
接收机
receiver system: double-conversion superheterodyne
灵敏度: (10 db s/n)
ssb, cw, rtty: 0.16 µv (1.8-29.999999 mhz)
am: 13 µv (0.5-1.799999 mhz)
am: 2 µv (1.8-29.999999 mhz)
sql sensitivity: less than 5.6 µv (ssb)
selectivity:
ssb, cw, rtty: more than 2.1 khz/-6 db
less than 4.5 khz/-60 db
am: more than 6.0 khz/-6 db
less than 20 khz/-40 db
spurious and image rejection ratio: more than 70 db (1.8-29.999999 mhz)
audio output power: more than 2.0 w at 10% distortion with at 8 ohm load (at 13.8 v dc)
rit variable range: ±1200 hz
phones connector: 3-conductor 6.5 (d) mm (1/4")
ext sp connector: 2-conductor 3.5 (d) mm (1/8") /8 ohms
specifications are subject to change without notice or obligation.