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參數資料
| 型號： | AD8344ACPZ-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 衰減器 |
| 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 |
| 封裝： | 3 X 3 MM, LEAD FREE, LFCSP-16 |
| 文件頁數： | 17/20頁 |
| 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
相關PDF資料 |
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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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:- 零件狀態:在售 類型:混頻器 頻率:400MHz ~ 1.2GHz 配套使用產品/相關產品:AD8344 所含物品:板 標準包裝:1 |
| AD8345 | 制造商:AD 制造商全稱:Analog Devices 功能描述:250 MHz.1000 MHz Quadrature Modulator |
| AD8345ARE | 功能描述:IC QUADRATURE MOD 250MHZ 16TSSOP RoHS:否 類別:RF/IF 和 RFID >> RF 調制器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 功能:調制器 LO 頻率:700MHz ~ 2.3GHz RF 頻率:700MHz ~ 2.3GHz P1dB:1dBm 底噪:-148dBm/Hz 輸出功率:-1dBm 電流 - 電源:46mA 電源電壓:2.7 V ~ 3.6 V 測試頻率:1.75GHz 封裝/外殼:28-WFQFN 裸露焊盤 包裝:帶卷 (TR) |
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