CRO3950D Datasheet, PDF (1/1 Pages) BOWEI Integrated Circuits CO.,LTD. – Low Phase Noise VCO With Ceramic Coaxial Resonator

BOWEI
CRO3950D/CRO3950S
Low phase Noise VCO With Ceramic Coaxial Resonator
BOWEI INTEGRATED CIRCUITS CO.,LTD.
Typical Performance
Features
●Coaxial ceramic resonator
●Ultra low phase noise High stability
●Built-in buffer amplifier Low frequency pulling
●Thin film hybrid construction Small size
●Hermetic package (DIP-22C ; SP-22)
●Operating Temperature Range：-55℃～+85℃
Specifications( TA=25℃,VCC=+12V)
Parameter
Symbol Unit Guaranteed Typical Test Condition
Frequency Range ^fL^～fH ^MHz 3920～3980 ^–
V_T:0～15V
Power Output
Power Output
Variation
P_O dBm _≥10
12.0
△P_{O dB} ≤ ±1. 0 _±0.5
V_T=6V
Tuning Voltage
V_T V 0～15
–
–
Pushing
K_VC MHz/V
–
0.3 V_CC=11～13V,V_T=6V
Spurious
R_fs dBc ≤-75
–
Harmonics
R_fn dBc
–
-20
SSB Phase Noise SФ dBc/Hz –
-106 V_T=6V,f_m=10KHz
Frequency Drift △f MHz –
7 V_T=6V,TA:-55～+85℃
Current
I_CC mA
–
70
–
Tuning Port
Capacitance
C_T pF
–
50
–
Absolute Ratings
Maximum DC Voltage : +15V
Maximum Tuning Voltage : +30V
Minimum Tuning Voltage : -0.7V
DIP-22C
Maximum Storage Temp:＋125℃
1
4
2
Application Notes
1.See assembly section for mounting
information
CRO3950S
3
Lot No
5
SP-22
2.ESD observe handling precautions
3.DIP-22C is for CRO3950D；SP-22 is for CRO3950S.
4
4
è¡°
1
CRO 减
3
器
è¡°
2
CRO 减
3
器
1.VT
3.PO
2,5,6
DIP-22C
2,5,6 Case GND
4.VCC
1.N/C
4.VCC
5
SP-22
2.VT
3.PO
5.Case GND
Frequency vs Tuning Voltage
4000
Ta=+25℃
Ta=+85℃
3980
Ta= - 55℃
3960
3940
3920
3900
03
6
9 12 15
Tuning Voltage(V)
Power Output vs Tuning Voltage
Ta=+25℃
Ta=+85℃
Ta= - 55℃
14
12
10
03
6
9
12 15
Tuning Voltage(V)
Tuning Sensitivity vs Tuning Voltage
5
4
3
2
03
6
9
12 15
Tuning Voltage(V)
Phase Noise vs Offset Frequency
-60
-80
-100
-120
-140
-160
1K
10K
100K
1M
Offset (Hz)
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