DOWN MIXER. NJM2288 Datasheet

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NJM2288 Datasheet
Recommendation NJM2288 Datasheet
Part NJM2288
Description 300/400MHz BAND DOWN MIXER
Feature NJM2288; NJM2288 300/400MHz BAND DOWN MIXER WITH AMPLIFIER  GENERAL DESCRIPTION The NJM2288 is a low-curre.
Manufacture New Japan Radio
Datasheet
Download NJM2288 Datasheet




New Japan Radio NJM2288
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-



New Japan Radio NJM2288
NJM2288
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Supply Voltage
V+
Power Dissipation
PD
RF Input Level
LO Input Level
Pr f max
Pl o max
Operating Temperature
Storage Temperature
Topr
Tstg
RATINGS
7
200
6
6
- 40 to + 85
- 40 to +125
(Ta=25°C)
UNIT
V
mW
dBm
dBm
°C
°C
RECOMMENDED OPERATING CONDITIONS
(Ta=25°C)
PARAMETER
SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT
Supply Voltage
V+
2 2.2 5.5 V
ELECTRICAL CHARACTERISTICS
Ta=25°C, V+ =2.2V, frf = 429MHz, Prf = --35dBm, flo = 407.7MHz, Plo = --15dBm, fif = 21.3MHz,
unless otherwise noted)
PARAMETER
SYMBOL TEST CONDITIONS MIN. TYP. MAX.
Operating Current
Iccq
No signal
Test circuit 1
- 2.8 3.5
Conversion Gain
CG Test circuit 1
-9-
Mixer Intercept Point
IIP3 Test circuit 1
- - 12 -
Noise Figure
RF Input Return Loss
Impedance between
LO IN and CAP Terminal
LO Leakage at RF IN (1)
LO Leakage at RF IN (2)
LO Leakage at IF OUT
NF Test Circuit 2
|S11l2
Zlo
Plorf1
Plorf2
Ploif
Test Circuit 3
Test Circuit 4
DC value
Test Circuit 3
Test Circui3
flo=800MHz,
Plo= -15dBm
Test Circuit1
-9-
- - 0.8 -
- 9.1
- - 40 -
- - 25 -
- - 40 -
UNIT
mA
dB
dBm
dB
dB
kΩ
dB
dB
dB
TEMPERATURE DRIFT (Reference)
PARAMETER
SYMBOL TEST CONDITIONS
MIN.
Conversion Gain
-- Ta= -- 40 to + 85°C
-2
TYP. MAX.
02
UNIT
dB
Ver.2016-08-22
-2-



New Japan Radio NJM2288
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-







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