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1、2008 新款新款 200MHz 段段 256 频多频接收器频率设定方法频多频接收器频率设定方法2008 新款 200MHz 段可调 256 频多频接收机通过频率设定端子,可自设定多达 256 个的频 率信道.本接收机起始频率值为 223.000MHz(频率设定端子全插上,二进制电平 00000000), 步进为 25KHz(0.025MHz),最高工作频率值为 229.375MHz(频率设定端子全空,二进制电平 11111111) 其他工作频率信道设定方法如下如图,频率设定编码开关共八位,最下处为第一位;端子插上电平为 0,不插上为电平 1. 本接收机的八个端子频率设置方法和数学上的二进制/
2、十进制换算方法原理相同, 注意:由于本接收机的频率步进最小值是 25KHz(0.025MHz),所以能工作的频率值必须是 25KHz(0.025MHz)的整倍数,且范围在最低工作频率 223.000MHz 和最高工作频率 229.375MHz 之间(一) 使用二进制中的”二除取余法”,按需要的接收机工作频率设定八个端子电平位 以准备为本接收机设定 226.875MHz 工作频率为例子,首先将此值减去 223.000MHz 得 3.875,然后除以 0.025(步进值)得 155. 使用”二除取余法”,得 10011011(注意最前位为高位),此即为频率设定端子第一到第八位的 电设定值(如图)(
3、二)从已设定的八个电平位换算出接收机工作频率,使用”二除取余法”,得 223.0000+(第八位电平 X27+第 7 位电平 X26+第 6 位电平 X25+第 5 位电平 X24+第 4 位电 平 X23+第 3 位电平 X22+第 2 位电平 X2+第 1 位电平)X0.025 以板上频率设定端子电平 10101011(注意最前位为高位)为例子,代入公式,得 223.0000+(1X27+0X26+0X25+1X24+1X23+0X22+1X2+1)X0.025=227.275MHz (2 的 0 次方,1 次方,2 次方7 次方分别等于 1,2,4,8,16,32,64,128)(三)使
4、用列表快速查对及设定接收机工作频率值(如下表)信道编码工作频 率 MHz信道编码工作频 率 MHz信道编码工作频 率 MHz100000000223.0008701010110225.1501731010110 0227.300200000001223.0258801010111225.1751741010110 1227.325300000010223.0508901011000225.2001751010111 0227.350400000011223.0759001011001225.2251761010111 1227.375500000100223.1009101011010225.
5、2501771011000 0227.400600000101223.1259201011011225.2751781011000 1227.425700000110223.1509301011100225.3001791011001 0227.450800000111223.1759401011101225.3251801011001 1227.475900001000223.2009501011110225.3501811011010 0227.5001000001001223.2259601011111225.3751821011010 1227.5251100001010223.250
6、9701100000225.4001831011011 0227.5501200001011223.2759801100001225.4251841011011 1227.5751300001100223.3009901100010225.4501851011100 0227.6001400001101223.32510001100011225.4751861011100 1227.6251500001110223.35010101100100225.5001871011101 0227.6501600001111223.37510201100101225.5251881011101 1227
7、.6751700010000223.40010301100110225.5501891011110 0227.7001800010001223.42510401100111225.5751901011110 1227.7251900010010223.45010501101000225.6001911011111 0227.7502000010011223.47510601101001225.6251921011111 1227.7752100010100223.50010701101010225.6501931100000 0227.8002200010101223.525108011010
8、11225.6751941100000 1227.8252300010110223.55010901101100225.7001951100001 0227.8502400010111223.57511001101101225.7251961100001 1227.8752500011000223.60011101101110225.7501971100010 0227.9002600011001223.62511201101111225.7751981100010 1227.9252700011010223.65011301110000225.8001991100011 0227.95028
9、00011011223.67511401110001225.8252001100011 1227.9752900011100223.70011501110010225.8502011100100 0228.0003000011101223.72511601110011225.8752021100100 1228.0253100011110223.75011701110100225.9002031100101 0228.0503200011111223.77511801110101225.9252041100101 1228.0753300100000223.80011901110110225.
10、9502051100110 0228.1003400100001223.82512001110111225.9752061100110 1228.1253500100010223.85012101111000226.0002071100111 0228.1503600100011223.87512201111001226.0252081100111 1228.1753700100100223.90012301111010226.0502091101000 0228.2003800100101223.92512401111011226.0752101101000 1228.22539001001
11、10223.95012501111100226.1002111101001 0228.2504000100111223.97512601111101226.1252121101001 1228.2754100101000224.00012701111110226.1502131101010 0228.3004200101001224.02512801111111226.1752141101010 1228.3254300101010224.05012910000000226.2002151101011 0228.3504400101011224.07513010000001226.225216
12、1101011 1228.3754500101100224.10013110000010226.2502171101100 0228.4004600101101224.12513210000011226.2752181101100 1228.4254700101110224.15013310000100226.3002191101101 0228.4504800101111224.17513410000101226.3252201101101 1228.4754900110000224.20013510000110226.3502211101110 0228.5005000110001224.
13、22513610000111226.3752221101110 1228.5255100110010224.25013710001000226.4002231101111 0228.5505200110011224.27513810001001226.4252241101111 1228.5755300110100224.30013910001010226.4502251110000 0228.6005400110101224.32514010001011226.4752261110000 1228.6255500110110224.35014110001100226.500227111000
14、1 0228.6505600110111224.37514210001101226.5252281110001 1228.6755700111000224.40014310001110226.5502291110010 0228.7005800111001224.42514410001111226.5752301110010 1228.7255900111010224.45014510010000226.6002311110011 0228.7506000111011224.47514610010001226.6252321110011 1228.7756100111100224.500147
15、10010010226.6502331110100 0228.8006200111101224.52514810010011226.6752341110100 1228.8256300111110224.55014910010100226.7002351110101 0228.8506400111111224.57515010010101226.7252361110101 1228.8756501000000224.60015110010110226.7502371110110 0228.9006601000001224.62515210010111226.7752381110110 1228
16、.9256701000010224.65015310011000226.8002391110111 0228.9506801000011224.67515410011001226.8252401110111 1228.9756901000100224.70015510011010226.8502411111000 0229.0007001000101224.72515610011011226.8752421111000 1229.0257101000110224.75015710011100226.9002431111001 0229.0507201000111224.77515810011101226.9252441111001 1229.0757301001000224.80015910011110226.9502451111010 0229.1007401001001224.82516010011111226.9752461111010 1229.1257501001010224.85016110100000227.0002471111011 0229.1507601001
