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參數資料
| 型號： | BD9781HFP-TR |
| 元件分類： | 穩壓器 |
| 英文描述： | 4 A SWITCHING REGULATOR, 500 kHz SWITCHING FREQ-MAX, PSSO7 |
| 封裝： | ROHS COMPLIANT, HRP-7 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 366K |
| 代理商： | BD9781HFP-TR |
NJG1145UA2
- 1 -
Ver.2010-10-01
WIDE BAND LOW NOISE AMPLIFIER GaAs MMIC
I
GENERAL DESCRIPTION
I
PACKAGE OUTLINE
The NJG1145UA2 is a fully matched wide band low noise
amplifier GaAs MMIC for digital TV and BS/CS applications. This
amplifier covers VHF, UHF, and L bands.
To achieve wide dynamic range, the NJG1145UA2 offers high
gain mode and low gain mode. Selecting high gain mode for weak
signals, the NJG1145UA2 helps improve receiver sensitivity
through high gain and low noise figure. Selecting low gain mode
for strong signals, it bypasses LNA circuit to offer higher linearity.
In high gain mode, the NJG1145UA2 achieves high gain and
high IIP3 across the band.
The ESD protection circuits are integrated into the MMIC. They
achieve high ESD protection voltage.
An ultra-small and ultra-thin package of EPFFP6-A2 is adopted.
I
FEATURES
G
Wide operating frequency range
90MHz~2150MHz
G
Low voltage operation
2.8V typ.
G
External components count
3pcs. (capacitor: 2pcs, inductor: 1pc)
G
Small package size
EPFFP6-A2 (package size: 1.0mmx1.0mmx0.37mm typ.)
[High gain mode]
G
Current consumption
20mA typ.
G
High gain
+15.0dB typ.
G
Low noise figure
1.5dB typ.
[Low gain mode]
G
Low current consumption
11A typ.
G
Gain(Low loss)
-1.0dB typ.
I
PIN CONFIGURATION
I
TRUTH TABLE
“H”=VCTL(H)“L”=VCTL(L)
VCTL
LNA ON
Bypass
LNA mode
H
ON
OFF
High Gain mode
L
OFF
ON
Low Gain mode
NJG1145UA2
Pin Connection
1. GND
2. GND
3. RFOUT
4. VCTL
5. GND
6. RFIN
(Top View)
6
5
4
2
3
LNA circuit
Bypass circuit
Logic
circuit
1
1PIN INDEX
RFIN
GND
Bias
circuit
VCTL
RFOUT
Note: Specifications and description listed in this datasheet are subject to change without notice.
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