参数资料
型号: MAX9981ETX-T
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 无绳电话/电话
英文描述: 825MHz to 915MHz, Dual SiGe High-Linearity Active Mixer
中文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC36
封装: 6 X 6 MM, 0.80 MM HEIGHT, QFN-36
文件页数: 16/17页
文件大小: 519K
代理商: MAX9981ETX-T
MAX9981
825MHz to 915MHz, Dual SiGe High-Linearity
Active Mixer
8
_______________________________________________________________________________________
LO SWITCH ISOLATION
vs. RF FREQUENCY LOW-SIDE INJECTION
MAX9981
toc37
RF FREQUENCY (MHz)
LO
SWITCH
ISOLATION
(dBc)
900
880
860
840
52
53
54
55
56
51
820
920
LO OFFSET 1MHz
fIF = 100MHz
DIVERSITY MIXER
TA = +85
°C
TA = +25
°C
TA = +-40
°C
LO SWITCH ISOLATION
vs. RF FREQUENCY LOW-SIDE INJECTION
MAX9981
toc38
RF FREQUENCY (MHz)
LO
SWITCH
ISOLATION
(dBc)
900
880
860
840
52
53
54
55
56
51
820
920
LO OFFSET 1MHz
fIF = 100MHz
DIVERSITY MIXER
PLO = -5dBm
PLO = 0dBm
PLO = +5dBm
LO SWITCH ISOLATION
vs. RF FREQUENCY HIGH-SIDE INJECTION
MAX9981
toc39
RF FREQUENCY (MHz)
LO
SWITCH
ISOLATION
(dBc)
900
880
860
840
52
53
54
55
56
51
820
920
LO OFFSET 1MHz
fIF = 120MHz
MAIN MIXER
TA = +85
°C
TA = +25
°C
TA = -40
°C
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX9981
toc40
LO FREQUENCY (MHz)
LO
LEAKAGE
(dBm)
950
900
850
800
-42
-39
-36
-33
-30
-45
750
1000
TA = +85
°C
TA = +25
°C
TA = -40
°C
MAIN MIXER
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX9981
toc41
LO FREQUENCY (MHz)
LO
LEAKAGE
(dBm)
950
900
850
800
-42
-39
-36
-33
-30
-27
750
1000
MAIN MIXER
PLO = +5dBm
PLO = -5dBm
PLO = 0dBm
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX9981
toc42
LO FREQUENCY (MHz)
LO
LEAKAGE
(dBm)
1000
900
800
-70
-65
-60
-55
-50
-45
-40
700
1100
MAIN MIXER
PLO = +5dBm
PLO = -5dBm
PLO = 0dBm
RF TO IF ISOLATION
vs. RF FREQUENCY
MAX9981
toc43
RF FREQUENCY (MHz)
RF
TO
IF
ISOLATION
(dB)
900
880
860
840
18
21
24
27
30
15
820
920
TA = +85
°C
TA = +25
°C
TA = -40
°C
MAIN MIXER
RF TO IF ISOLATION
vs. RF FREQUENCY
MAX9981
toc44
RF FREQUENCY (MHz)
RF
TO
IF
ISOLATION
(dB)
900
880
860
840
20
22
24
26
18
820
920
MAIN MIXER
PLO = -5dBm
PLO = 0dBm, +5dBm
NOISE FIGURE
vs. RF FREQUENCY LOW-SIDE INJECTION
MAX9981
toc45
RF FREQUENCY (MHz)
NOISE
FIGURE
(dB)
900
880
860
840
9
11
10
12
13
14
15
8
820
920
TA = -40
°C
TA = +25
°C
TA = +85
°C
fIF = 100MHz
MAIN MIXER
Typical Operating Characteristics (continued)
(Typical Application Circuit, VCC = 5.0V, PRF = -5dBm, PLO = 0dBm, TA = +25°C, unless otherwise noted.)
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