參數(shù)資料
型號(hào): SA5209D
廠商: NXP SEMICONDUCTORS
元件分類: 衰減器
英文描述: Wideband variable gain amplifier
中文描述: 0 MHz - 850 MHz RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER
文件頁數(shù): 7/17頁
文件大小: 202K
代理商: SA5209D
Philips Semiconductors
Product specification
SA5209
Wideband variable gain amplifier
1997 Nov 07
7
This circuit will exhibit about a 7dB
noise figure with approximately
22dB gain. Narrowband circuits
have the advantage of greater stabil-
ity, particularly when multiple de-
vices are cascaded.
50
50
50
+5V
+1V
2:1 TURNS RATIO
TRANSFORMER
SOURCE
OUTPUT
5209
V
AGC
SR00242
Figure 6. Narrowband Noise Optimization
This circuit will exhibit about an 8dB
noise figure with 24dB gain.
50
50
50
+5V
+1V
MINI CIRCUITS
SOURCE
OUTPUT
5209
1 : 4
V
AGC
SR00243
Figure 7. Broadband Gain Optimization
This circuit will exhibit approximate-
ly an 8dB noise figure and 25dB gain.
50
50
50
+5V
+1V
4:1 TURNS RATIO
LC TUNED
SOURCE
OUTPUT
5209
V
AGC
SR00244
Figure 8. Narrowband Gain Optimization
The noise figure of this configuration
will be approximately 15dB.
50
50
50
+5V
+1V
SOURCE
OUTPUT
5209
50
V
AGC
SR00245
Figure 9. Simple Amplifier Configuration
With the 50
source left untermi-
nated, the noise figure is 9dB.
50
50
50
+5V
+1V
SOURCE
OUTPUT
5209
V
AGC
SR00246
Figure 10. Unterminated Configuration
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SA5209D,623 功能描述:射頻放大器 WIDEBAND VARIABLE GAIN AMP RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點(diǎn):37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測(cè)試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel
SA5209N 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Wideband variable gain amplifier
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