參數(shù)資料
型號: SA5209D,602
廠商: NXP Semiconductors
文件頁數(shù): 16/17頁
文件大小: 0K
描述: IC VGA 850MHZ 16-SOIC
標準包裝: 50
放大器類型: 可變增益
電路數(shù): 1
輸出類型: 差分
電流 - 輸入偏壓: 700nA
電流 - 電源: 43mA
電壓 - 電源,單路/雙路(±): 4.5 V ~ 7 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 16-SO
包裝: 管件
其它名稱: 568-1196-5
935030700602
SA5209D
Philips Semiconductors
Product specification
SA5209
Wideband variable gain amplifier
1997 Nov 07
8
50
50
50
+5V
SOURCE
OUTPUT
5209
Gain = 19dB + 20log10 VAGC
and is in units of Volts, for VAGC ≤ 1V
where VAGC =
R
2
R
1 ) R2
V
BG
VBG
VAGC
R1
R2
SR00247
Figure 11. User-Programmable Fixed Gain Block
All harmonic distortion products will be
at least -50dBc over the audio spectrum.
50
50
50
+5V
SOURCE
OUTPUT
5209
+5V
RF INPUT
FULL CARRIER
AM (DSB)
MODULATING
SIGNAL
.5V
R9R
VAGC
SR00248
Figure 12. AM Modulator
The high input impedance to the NE5209 makes matching
to crystal filters relatively easy. The total delta gain of this
system will approach 80dB. IF frequencies well into the UHF
region can be configured with this type of architecture.
50
5209
CRYSTAL
GAIN CONTROL
SIGNAL
FILTER
50
OUTPUT
5209
VAGC
SR00249
Figure 13. Receiver AGC IF Gain
RL
5209
RL
±
VS
RS
RT
VAGC
VCC (+5V, unless otherwise noted)
SR00250
Figure 14. Test Set-up 1 (Used for all Graphs)
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