Datasheet

MAX2620
10MHz to 1050MHz Integrated
RF Oscillator with Buffered Outputs
_______________________________________________________________________________________ 3
TYPICAL OPERATING CIRCUIT PERFORMANCE—900MHz Band Ceramic-
Resonator-Based Tank
(Typical Operating Circuit, V
CC
= +3.0V, V
TUNE
= 1.5V, SHDN = V
CC,
load at OUT = 50Ω, load at OUT = 50Ω, L1 = coaxial ceramic
resonator: Trans-Tech SR8800LPQ1357BY, C6 = 1pF, T
A
= +25°C, unless otherwise noted.)
-110
SSB at ∆f = 25kHz
MHz±13V
TUNE
= 0.5V to 3.0V
UNITSMIN TYP MAXCONDITIONSPARAMETER
Tuning Range
dBc/Hz
-132
SSB at ∆f = 300kHz
Phase Noise
-6 -2At OUT (Note 2)
dBc-29Second-Harmonic Output
MHz/V11Average Tuning Gain
kHz
P-P
163VSWR = 1.75:1, all phasesLoad Pull
kHz/V71V
CC
stepped from 3V to 4VSupply Pushing
Note 3: Guaranteed by design and characterization.
dBm/Hz-147f
O
± >10MHzNoise Power
-11 -8
At OUT, per test circuit of Figure 1; T
A
= -40°C to +85°C
(Note 3)
dBm
-16 -12.5
At OUT (Note 3)
Output Power (Single-Ended)
TYPICAL OPERATING CIRCUIT PERFORMANCE—900MHz Band Inductor-Based Tank
(Typical Operating Circuit, V
CC
= +3.0V, V
TUNE
= 1.5V, SHDN = V
CC,
load at OUT = 50Ω, load at OUT = 50Ω, L1 = 5nH (Coilcraft
A02T), C6 = 1.5pF, T
A
= +25°C, unless otherwise noted.)
MHz/V13Average Tuning Gain
dBm/Hz-147f
O
± >10MHzNoise Power
kHz
P-P
340VSWR = 1.75:1, all phase anglesLoad Pull
kHz/V150V
CC
stepped from 3V to 4VSupply Pushing
-11 -8
At OUT, per test circuit of Figure 1; T
A
= -40°C to +85°C
(Note 3)
dBm
-16 -12.5
At OUT (Note 3)
Output Power (single-ended)
-107
SSB at ∆f = 25kHz
MHz±15V
TUNE
= 0.5V to 3.0V
UNITSMIN TYP MAXCONDITIONSPARAMETER
Tuning Range
dBc/Hz
-127
SSB at ∆f = 300kHz
Phase Noise
-6 -2At OUT (Note 2)
dBc-29Second-Harmonic Output
Note 3: Guaranteed by design and characterization.