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NJM2288のメーカーはNew Japan Radioです、この部品の機能は「300/400MHz BAND DOWN MIXER」です。 |
部品番号 | NJM2288 |
| |
部品説明 | 300/400MHz BAND DOWN MIXER | ||
メーカ | New Japan Radio | ||
ロゴ | |||
このページの下部にプレビューとNJM2288ダウンロード(pdfファイル)リンクがあります。 Total 11 pages
NJM2288
300/400MHz BAND DOWN MIXER WITH AMPLIFIER
GENERAL DESCRIPTION
The NJM2288 is a low-current, low-voltage
down mixer, which operates from 2V supply.
It is very suitable for situations where small size,
low cost, low parts count is important.
PACKAGE OUTLINE
FEATURES
Wide Operating Voltage
Low Operating Current
Conversion Gain
Input Frequency
Excellent Thermal Stability
Conversion Gain
Third - Order Intercept Point
Local Input Resistance
Bipolar Technology
Package Outline
NJM2288F1
2V to 5.5V
2.8mA type. @ V+=2.2V, 429MHz input
9dB @V+ =2.2V, 429MHz input
300MHz to Up to 500MHz (recommended range)
2dB @ V+=2.2V, 429MHz input, -- 40 to + 85°C (reference range)
--12dBm @V+ =2.2V, 429MHz input
9.1kΩ
SOT-23-6-1
PIN CONFIGULATION
Orientation Mark
1
6
Pin Function
1. RF IN
2. GND
2 5 3. LO IN
4. CAP
5. V+
3 4 6. IF OUT
Top View
Simplified Block Diagram
RF IN
1
GND
2
LO IN
3
Regulator
Bias
IF OUT
6
V+
5
CAP
4
Ver.2016-08-22
-1-
1 Page NJM2288
TEST CIRCUIT
These test circuits allow the measurement of all parameters described in “ELECTRICAL CHARACTERISTICS”.
Test Circuit 1 for Iccq, CG, IIP3andPlo-if
1000p
SG
Zout=50
SG
Zout=50
56n RF IN
1
50
1000p
GND
2
LO IN
3
Regulator
Bias
IF OUT
6
V+
5
CAP
4
0.01u
15u
1000p
820
0.01u
820
V+
Spectrum
Analyzer
Zin=50
1000p
CG is calculated from
CG=Pif – Prf
Where
Psa =the value of spectrum analyzer in dBm
Pif= Psa+10 log 820/50 (dBm)
Prf=input level in dBm
Test Circuit 2 for NF
56n 1000p
Noise
Source
SG
Zout=50
RF IN
1
50
1000p
GND
2
LO IN
3
NF
Meter
Regulator
Bias
IF OUT
6
V+
5
CAP
4
0.01u
820
15u
1000p
820
0.01u
V+
1000p
Ver.2016-08-22
-3-
3Pages NJM2288
TERMINAL FUNCTION (Ta=25°C, V+=2.2 V)
Pin No. SYMBOL
EQUIVARENT CIRCUIT
1 RF IN
V+
6
VOLTAGE
FUNCTION
1.18V
RF Input
Recommended input frequency
range is from 300 to 500MHz. For
using at another frequency, please
refer to the data shown
in ”TYPICAL CHARACTERISTICS”.
1
6 IF OUT
2 GND
--
IF Output
Output frequency fif is calculated
from
-- fif = frf- flo.
where
frf=RF IN input signal frequency
flo=LO IN input signal frequency
Ground
--
3 LO IN
3
Local Input
Input level of over –20dBm is
V+ recommended to obtain high IF
2.03V output level, where IF output is
saturated. Note that absolute
maximum input level is 6dBm.
4
4 CAP
5 V+
Local Signal Reverse Input
An external decoupling capacitor
is placed between this pin and
2.03V ground. The value of capacitance
should be selected to be very low
impedance at LO IN input signal
frequency.
Supply Voltage
--
--
ESD protection transistor exists
between V+ and ground.
Ver.2016-08-22
-6-
6 Page | |||
ページ | 合計 : 11 ページ | ||
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PDF ダウンロード | [ NJM2288 データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
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