LT5558 데이터 시트보기 (PDF) - Linear Technology
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LT5558 Datasheet PDF : 16 Pages
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LT5558
TYPICAL PERFORMANCE CHARACTERISTICS VCC = 5V, EN = High, TA = 25°C, fLO = 900MHz,
fRF = 902MHz, PLO = 0dBm. BBPI, BBMI, BBPQ, BBMQ CM input voltage = 2.1VDC, baseband input frequency = 2MHz, I and Q 90°
shifted, without image or LO feedthrough nulling. fRF = fBB + fLO (upper side-band selection). PRF(OUT) = –10dBm (–10dBm/tone for
2-tone measurements), unless otherwise noted. (Note 3)
RF Output Power vs LO Frequency
Supply Current vs Supply Voltage
at 1VP-P Differential
Baseband Drive
Voltage Gain vs LO Frequency
130
2
–2
120
110
100
90
4.5
85°C
25°C
–40°C
4.75
5
SUPPLY VOLTAGE (V)
5.25
5558 G01
Output IP3 vs LO Frequency
26
fBB, 1 = 2MHz
24
fBB, 2 = 2.1MHz
22
20
18
16
14
12
550
5V, –40°C
5V, 25°C
5V, 85°C
4.5V, 25°C
5.5V, 25°C
650 750 850 950 1050 1150 1250
LO FREQUENCY (MHz)
5558 G04
LO Feedthrough to RF Output vs
LO Frequency
–40
5V, –40°C
5V, 25°C
5V, 85°C
–42
4.5V, 25°C
5.5V, 25°C
–44
0
–2
–4
–6
5V, –40°C
–8
5V, 25°C
5V, 85°C
–10
4.5V, 25°C
5.5V, 25°C
–12
550 650 750 850 950 1050 1150 1250
LO FREQUENCY (MHz)
5558 G02
Output IP2 vs LO Frequency
75
fIM2 = fBB, 1 + fBB, 2 + fLO
fBB, 1 = 2MHz
70 fBB, 2 = 2.1MHz
65
60
55
5V, –40°C
5V, 25°C
50
5V, 85°C
4.5V, 25°C
5.5V, 25°C
45
550 650 750 850 950 1050 1150 1250
LO FREQUENCY (MHz)
5558 G05
2 • LO Leakage to RF Output vs
2 • LO Frequency
–40
5V, –40°C
5V, 25°C
5V, 85°C
–45
4.5V, 25°C
5.5V, 25°C
–50
–4
–6
–8
–10
5V, –40°C
–12
5V, 25°C
5V, 85°C
–14
4.5V, 25°C
5.5V, 25°C
–16
550 650 750 850 950 1050 1150 1250
LO FREQUENCY (MHz)
5558 G03
Output 1dB Compression vs LO
Frequency
10
8
6
4
2
5V, –40°C
5V, 25°C
5V, 85°C
0
4.5V, 25°C
5.5V, 25°C
–2
550 650 750 850 950 1050 1150 1250
LO FREQUENCY (MHz)
5558 G06
3 • LO Leakage to RF Output vs
3 • LO Frequency
–45
5V, –40°C
5V, 25°C
–50
5V, 85°C
4.5V, 25°C
5.5V, 25°C
–55
–60
–46
–55
–65
–48
550 650 750 850 950 1050 1150 1250
LO FREQUENCY (MHz)
5558 G07
4
–60
1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5
2 • LO FREQUENCY (GHz)
5558 G08
–70
1.65 1.95 2.25 2.55 2.85 3.15 3.5 3.75
3 • LO FREQUENCY (GHz)
5558 G09
5558fa
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