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| 型号： | AD8344ACPZ-REEL7 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 衰减器 |
| 英文描述： | Active Receive Mixer 400 MHz to 1.2 GHz |
| 中文描述： | 400 MHz - 1200 MHz RF/MICROWAVE DOUBLE BALANCED MIXER |
| 封装： | 3 X 3 MM, LEAD FREE, LFCSP-16 |
| 文件页数： | 17/20页 |
| 文件大小： | 429K |
| 代理商： | AD8344ACPZ-REEL7 |
AD8344
Rev. 0 | Page 17 of 20
25
–5
0
5
10
15
20
10
100
1000
0
IF LOADING (
)
2
MEASURED
MODELED
15
0
15
12
9
6
3
0
3
6
9
12
10
15
20
25
30
35
40
45
50
0
IF FREQUENCY (MHz)
C
I
Figure 45. Conversion Gain vs. IF Loading
Figure 46. Conversion Gain, Input IP3, and P1dB vs.
IF Frequency, F
RF
= 450 MHz
LOW IF FREQUENCY OPERATION
The AD8344 may be used down to arbitrarily low IF frequen-
cies. The conversion gain, noise, and linearity characteristics
remain quite flat as IF frequency is reduced, as indicated in
Figure 46 and Figure 47. Larger value pull-up inductors need to
be used at the lower IF frequencies. A 1 μH choke inductor
would present a common-mode loading impedance of 63 at
an IF frequency of 10 MHz, severely loading down the mixer
outputs, reducing conversion gain, and sacrificing output power.
At low IF frequencies, choke inductors of several hundred μH
should be used for biasing the IF outputs.
8
7
2
28.0
24.5
21.0
17.5
14.0
10.5
7.0
3
4
5
6
10
15
20
25
30
35
40
45
50
0
IF FREQUENCY (MHz)
C
I
Figure 47. Conversion Gain, Input IP3, and P1dB vs.
IF Frequency, F
RF
= 890 MHz
相关PDF资料 |
PDF描述 |
|---|---|
| AD8344ACPZ-WP | Active Receive Mixer 400 MHz to 1.2 GHz |
| AD8345ARE-REEL | 250 MHz.1000 MHz Quadrature Modulator |
| AD8345ARE-REEL7 | 250 MHz.1000 MHz Quadrature Modulator |
| AD8345 | 250 MHz.1000 MHz Quadrature Modulator |
| AD8345-EVAL | 250 MHz.1000 MHz Quadrature Modulator |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD8344ACPZ-WP | 制造商:Analog Devices 功能描述:UP/DOWN CONV MIXER 5V 1.2GHZ 16LFCSP EP - Waffle Pack |
| AD8344-EVAL | 制造商:Analog Devices 功能描述:Evaluation Kit For Active Receive Mixer 制造商:Analog Devices 功能描述:EVAL KIT FOR ACTV RECEIVE MIXER - Bulk |
| AD8344-EVALZ | 功能描述:EVAL BOARD FOR AD8344 制造商:analog devices inc. 系列:- 零件状态:在售 类型:混频器 频率:400MHz ~ 1.2GHz 配套使用产品/相关产品:AD8344 所含物品:板 标准包装:1 |
| AD8345 | 制造商:AD 制造商全称:Analog Devices 功能描述:250 MHz.1000 MHz Quadrature Modulator |
| AD8345ARE | 功能描述:IC QUADRATURE MOD 250MHZ 16TSSOP RoHS:否 类别:RF/IF 和 RFID >> RF 调制器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:调制器 LO 频率:700MHz ~ 2.3GHz RF 频率:700MHz ~ 2.3GHz P1dB:1dBm 底噪:-148dBm/Hz 输出功率:-1dBm 电流 - 电源:46mA 电源电压:2.7 V ~ 3.6 V 测试频率:1.75GHz 封装/外壳:28-WFQFN 裸露焊盘 包装:带卷 (TR) |
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