MAX2620E Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2620E Datasheet PDF : 11 Pages
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10MHz to 1050MHz Integrated
RF Oscillator with Buffered Outputs
TYPICAL OPERATING CIRCUIT PERFORMANCE—900MHz Band Ceramic-
Resonator-Based Tank
(Typical Operating Circuit, VCC = +3.0V, VTUNE = 1.5V, SHDN = VCC, load at OUT = 50Ω, load at OUT = 50Ω, L1 = coaxial ceramic
resonator: Trans-Tech SR8800LPQ1357BY, C6 = 1pF, TA = +25°C, unless otherwise noted.)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Tuning Range
VTUNE = 0.5V to 3.0V
±13
MHz
Phase Noise
SSB at ∆f = 25kHz
SSB at ∆f = 300kHz
-110
-132
dBc/Hz
At OUT (Note 2)
-6
-2
Output Power (Single-Ended)
Noise Power
Average Tuning Gain
Second-Harmonic Output
Load Pull
Supply Pushing
At OUT, per test circuit of Figure 1; TA = -40°C to +85°C
(Note 3)
At OUT (Note 3)
fO ± >10MHz
VSWR = 1.75:1, all phases
VCC stepped from 3V to 4V
-11
-8
-16 -12.5
-147
11
-29
163
71
dBm
dBm/Hz
MHz/V
dBc
kHzP-P
kHz/V
Note 3: Guaranteed by design and characterization.
TYPICAL OPERATING CIRCUIT PERFORMANCE—900MHz Band Inductor-Based Tank
(Typical Operating Circuit, VCC = +3.0V, VTUNE = 1.5V, SHDN = VCC, load at OUT = 50Ω, load at OUT = 50Ω, L1 = 5nH (Coilcraft
A02T), C6 = 1.5pF, TA = +25°C, unless otherwise noted.)
PARAMETER
Tuning Range
Phase Noise
CONDITIONS
VTUNE = 0.5V to 3.0V
SSB at ∆f = 25kHz
SSB at ∆f = 300kHz
At OUT (Note 2)
MIN TYP MAX UNITS
±15
MHz
-107
-127
dBc/Hz
-6
-2
Output Power (single-ended)
At OUT, per test circuit of Figure 1; TA = -40°C to +85°C
(Note 3)
-11
-8
dBm
Noise Power
Average Tuning Gain
Second-Harmonic Output
Load Pull
Supply Pushing
At OUT (Note 3)
fO ± >10MHz
VSWR = 1.75:1, all phase angles
VCC stepped from 3V to 4V
-16 -12.5
-147
13
-29
340
150
dBm/Hz
MHz/V
dBc
kHzP-P
kHz/V
Note 3: Guaranteed by design and characterization.
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