MAX2338 查看數據表（PDF） - Maxim Integrated
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MAX2338 Datasheet PDF : 13 Pages
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Triple/Dual-Mode CDMA LNA/Mixers
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2338 EV kit, VCC = +2.7V to +3.3V, fPLNAIN = fPMIXIN = 1930MHz to 1990MHz, fCLNAIN = fCMIXIN = 869MHz to 894MHz, fIF =
183MHz, high side LO, LO/2 = LOW. All ports matched to 50Ω, RRLNA = RRBIAS = 24kΩ, TA = -40°C to +85°C. Typical values are at
TA = +25°C, VCC = +3.0V, unless otherwise noted.)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
HIGH-GAIN, LOW-LINEARITY IDLE MODE
Gain (Note 2)
10.1
13
16
dB
Noise Figure (Note 3)
IIP3 (Notes 3, 4)
TA = +25°C
7.3
9.0
dB
1.4
3.5
dBm
FM MODE
Gain (Note 2)
6.0
8.8
11.1
dB
Noise Figure (Note 3)
IIP3 (Note 4)
TA = +25°C
8.7
11.0
dB
1.4
3.4
dBm
PCS MIXER PERFORMANCE
CDMA HIGH-GAIN, HIGH-LINEARITY MODE
Gain (Note 2)
11.7 14.5
17
dB
Noise Figure (Note 3)
IIP3 (Notes 3, 5)
TA = +25°C
7.8
9.0
dB
3.5
7.5
dBm
HIGH-GAIN, LOW-LINEARITY MODE
Gain (Note 2)
11.2
14
16.2
dB
Noise Figure (Note 3)
IIP3 (Note 5)
TA = +25°C
7.2
9.0
dB
0.5
2.5
dBm
ALL MODES
Mixer Output 1dB Compression
-1
dBm
4 x 5 Suppression (Note 6)
>45
dB
2 x 2 Input Intercept Point (Notes 3, 7)
25
33
dBm
LO Output Level (Note 3)
Into 50Ω or 100Ω load, BUFFEN = HIGH
-12
-6
dBm
LO Output Leakage
BUFFEN = LOW
-35
dBm
LO Emission at PCS LNA Input Port
-55
dBm
LO Emission at Cellular LNA Input
Port
-55
dBm
LO Output Harmonic Suppression BUFFEN = HIGH
-15
dBc
LO Output Noise Power
BUFFEN = HIGH
PCS band, 80MHz below LO
Cellular band, 45MHz below LO
-161
-161
dBm/Hz
RF Ports Return Loss
All active RF ports including 2-element matching
10
dB
Note 1: Operation over this frequency range may require the ports to be rematched for the desired operating frequency.
Note 2: MIN guaranteed by production test, MAX guaranteed by design and characterization.
Note 3: Guaranteed by design and device characterization.
Note 4: Two-tone IIP3. Tested at fRF1 = 880MHz, fRF2 = 880.9MHz, and power = -25dBm/tone.
Note 5: Two-tone IIP3. Tested at fRF1 = 1960MHz, fRF2 = 1961.25MHz, and power = -25dBm/tone.
Note 6: FLO = 1064MHZ, fRF1 = 887.8MHz at -30dBm, fRF2 = 881MHz at -100dBm. Performance is measured as PIF due to
RF1 - PIF due to RF2.
Note 7: FLO = 2143MHz, fRF1 = 2051.5MHz at -35dBm, fRF2 = 1960MHz at -100dBm. Performance is measured as PIF due to
RF1 - PIF due to RF2.
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