LTC5569 查看數據表（PDF） - Linear Technology
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LTC5569 Datasheet PDF : 20 Pages
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LTC5567
AC Electrical Characteristics VCC = 3.3V, EN = High. TC = 25°C, PLO = 0dBm, IF = 153MHz,
PRF = –6dBm (–6dBm/tone for 2-tone tests), unless otherwise noted. Test circuit shown in Figure 1. (Notes 2, 3, 4)
PARAMETER
CONDITIONS
MIN TYP MAX
Power Conversion Gain
RF = 450MHz, High Side LO
RF = 850MHz, High Side LO
RF = 1950MHz, Low Side LO
RF = 2550MHz, Low Side LO
RF = 3500MHz, Low Side LO
1.5
2.0
0.8 1.9
1.7
1.2
Conversion Gain Flatness
RF = 1950 ±30MHz, LO = 1797MHz, IF = 153 ±30MHz
±0.09
Conversion Gain vs Temperature
2-Tone Input 3rd Order Intercept (∆fRF = 2MHz)
TC = –40°C to 105ºC, RF = 1950MHz, Low Side LO
RF = 450MHz, High Side LO
RF = 850MHz, High Side LO
RF = 1950MHz, Low Side LO
RF = 2550MHz, Low Side LO
RF = 3500MHz, Low Side LO
–0.013
26.0
26.7
24.2 26.9
26.0
26.5
2-Tone Input 2nd Order Intercept
(∆fRF = 154MHz = fIM2)
RF = 450MHz (527MHz/373MHz), LO = 603MHz
67
RF = 850MHz (927MHz/773MHz), LO = 1003MHz
64
RF = 1950MHz (2027MHz/1873MHz), LO = 1797MHz
72
RF = 2550MHz (2627MHz/2473MHz), LO = 2397MHz
71
RF = 3500MHz (3577MHz/3423MHz), LO = 3347MHz
63
SSB Noise Figure
RF = 450MHz, High Side LO
RF = 850MHz, High Side LO
RF = 1950MHz, Low Side LO
RF = 2550MHz, Low Side LO
RF = 3500MHz, Low Side LO
12.5
11.4
11.8 13.5
12.6
14.6
SSB Noise Figure Under Blocking
RF = 850MHz, High Side LO, 750MHz Blocker at 5dBm
16.5
RF = 1950MHz, Low Side LO, 2050MHz Blocker at 5dBm
16.5
LO to RF Leakage
LO = 300MHz to 700MHz
<–62
LO = 700MHz to 2200MHz
<–56
LO = 2200MHz to 4500MHz
<–47
LO to IF Leakage
LO = 300MHz to 500MHz
<–43
LO = 500MHz to 700MHz
<–37
LO = 700MHz to 4500MHz
<–41
1/2IF Output Spurious Product
850MHz: fRF = 926.5MHz at –6dBm, fLO = 1003MHz
–78
(fRF Offset to Produce Spur at fIF = 153MHz)
1950MHz: fRF = 1873.5MHz at –6dBm, fLO = 1797MHz
–73
1/3IF Output Spurious Product
850MHz: fRF = 952MHz at –6dBm, fLO = 1003MHz
–82
(fRF Offset to Produce Spur at fIF = 153MHz)
1950MHz: fRF = 1848MHz at –6dBm, fLO = 1797MHz
–80
Input 1dB Compression
RF = 450MHz, High Side LO
11.0
RF = 850MHz, High Side LO
10.9
RF = 1950MHz, Low Side LO
10.1
RF = 2550MHz, Low Side LO
10.2
RF = 3500MHz, Low Side LO
10.4
UNITS
dB
dB
dB
dB
dB
dB
dB/°C
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dBm
dBm
dBm
dBm
5567f
3
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