变频模块

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              §可设置的工作频率

              §增益控制模式选择

                o自动增益控制(AGC 

                o手动增益控制(MGC的)

                o高增益模式  

              §设置手动增益控制MGC的水平

              §可设置接收机的睡眠模式

§选择参考频率   

                o内部参考 

                o外部参考

  §选择IF带宽

                o 500 kHz

                o 1 MHz

                o 1.5 MHz

                o 2 MHz

                o 10 MHz

电性能参数

序号

系统参数

技术指标

1

频率范围

200 - 2500 MHz 

2

频率步进

1 Hz 

3

频率稳定度  (内部参考源)

±1.0 ppm over Temperature, ±1 ppm per Year Aging

4

参考源

用户可选内部/外部10 MHz

5

10 MHz 参考输入功率

0 dBm typical (-3 dBm to +3 dBm)

6

10 MHz 参考输出功率

0 dBm

7

噪声系数:

200 – 500 MHz

500 – 1300 MHz

1300 – 1800 MHz

1800 – 2500 MHz

 

≤ 8 dB  (5 dB typical)

≤ 9 dB  (5 dB typical)

≤ 12 dB  (7 dB typical)

≤ 11 dB  (7 dB typical)

8

LO 相位噪声:

RX 调谐到 200-500 MHz

RX调谐到500-1088 MHz

RX调谐到1088-2500 MHz

 

-135 dBc/Hz @ 1 MHz

-129 dBc/Hz @ 1 MHz

-123 dBc/Hz @ 1 MHz

9

增益控制

用户可选: AGC / MGC

10

增益控制范围

100 dB in 1 dB Steps

11

RF 最大输入功率

+20 dBm

12

OIP3:

200 – 500 MHz

500 – 1300 MHz

1300 – 1800 MHz

1800 – 2500 MHz 

 

≥ 7 dBm  (15 dBm typical)

≥ 16 dBm  (18 dBm typical)

≥ 12 dBm  (16 dBm typical)

≥ 15 dBm  (17 dBm typical)

13

IF 输出频率

70 MHz

14

IF 输出功率:

MGC 正常模式 

AGC 正常模式

MGC 高增益 

AGC High Gain Mode

 

-20 dBm typical with RF输入功率-100 dBm (所有衰减器调节到最小)

-20 dBm typical

0 dBm typical with RF输入功率-100 dBm(所有衰减器调节到最小)   

0 dBm typical

15

增益:

正常模式

高增益模式

 

 

80 dB typical

100 dB typical

 

16

IF 带宽 

用户可选

500 kHz, 1 MHz, 1.5 MHz, 2 MHz, 10 MHz

17

IF 抑制

80 dB (100 dB typical)

18

外形尺寸 (Nominal)

7.0” x 4.0” x 1.35” (L x W x H)

19

电源要求 

12 VDC typical (9 – 16 VDC)

20

接收电流(12VDC):  

标准模式

高增益模式

睡眠模式

 

400 mA typical

425 mA typical

15 mA typical

21

工作温度

-20° C to +50° C

22

存储温度

-40° C to +85° C

23

数据接口

RS-232

24

数据传输速率

9600 bps (8N1)

25

控制接口

DP9 

26

RF 输入接口

SMA (F)

27

RF 阻抗

50欧姆

28

IF 输出接口

SMA (F)

29

IF 输出阻抗

50欧姆

30

参考频率接口

SMA (F)

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