建伍th-48A中文说明书(完整版).doc

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1、[共享]建伍th－48A中文说明书（完整版）TH-28A对讲技术指标            日本FNWOOD公司一、一般性能１、频率范围：VHF………136.000~173.995MHＺ                      118.000~135.995MHｚ[(F一秒一LOW)只能接收]　　　　　　　UHF………400.000~519.995MHＺ[只能接收]２、电路方式：合成式３、工作电压范围：6.3~16.0V４、消耗电流：                发射时.7.2V    高档

2、    H………2.0W约950MA                                      低档    Ｌ………0.5W500MA                                      极低    EL………20MW约90MA                          13.08V高档…………5.0XQY1400MA                          守候时…………约55MA                          节电功

3、能时……约法三章５ＭＡ二、发射机１、射输出功率：13.8V外接电源…………高档　5.0  W                                          中档    2.0  W                          7.2VPB13  电池组……    ..高档    2.5  W                                                                    低档　0.5  W              

4、                                                      极低    20mW    实测值（PB13  电池组）：136MHZ  140    145    150    155  160  165  170  173                                        H：1.7W          2.0    2.4    2.6    2.4    2.3    1.9  1.5  1.2           

5、                             M:  1.7W          2.0    2.3    2.2  1.8    1.7    1.5  1.3  1.1                                        L:    0.46          0.56  0.6    0.52  0.53  0.53  0.56  0.5  0.42                            频偏(F+8):  2.3KHZ    2.5

6、    2.8    3.2    3.5    4.0    4.3    2.5  2.5  静噪开启值(静噪最大):  -9.5db        -9.0  -10.5  -10.3  -10.5  -10.4  -9.0  -4.2  -3.6                            400MHZ    405    410    415    420    425    430    435  440    455                            

7、                    -2.2db      -5.7    -7.0  -8.0    -8.3    -8.6  -8.6  -8.6  -8.5    -8.0                            450MHZ  455    460    465  470    475    480    485  490  495                                              -7.0db      -6.5      -

8、5.0    -3.5  -2.5    -0.5    -1.0  -3.0  -5.0  -7.4                            500MHZ  505      510    514  514.800  514.825    514.845                                              9.8db      11      11.5    12.5    12.8      13      13      18    2、