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參數資料
| 型號： | AD8344-EVAL |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Active Receive Mixer 400 MHz to 1.2 GHz |
| 中文描述： | 有源接收混頻器400 MHz到1.2 GHz的 |
| 文件頁數： | 17/20頁 |
| 文件大小： | 429K |
| 代理商： | AD8344-EVAL |
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-REEL7 | Active Receive Mixer 400 MHz to 1.2 GHz |
| 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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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) |
| AD8345ARE-REEL | 制造商:Analog Devices 功能描述:Quadrature Mod 80MHz 16-Pin TSSOP EP T/R |
| AD8345ARE-REEL7 | 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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