HE488 Datasheet, PDF (1/1 Pages) BOWEI Integrated Circuits CO.,LTD. – Broadband VCO

BOWEI
BOWEI INTEGRATED CIRCUITS CO.,LTD.
HE488/HEM488
Broadband VCO
Typical Performance
Features
●Low phase noise
●Hyperabrupt varactor broad tuning bandwith
●Perfect tuning linearity
●Reliable thin film hybrid construction
●TO-8C、SMO-8C、SP-1、SP-3 packages available
●Operating temperature range：-55℃～+85℃
Specifications( TA=25℃,VCC=+12V)
Parameter
Symbol Unit Guaranteed Typical Test Condition
Frequency Range ^fL^～fH ^MHz 3700～4200 ^–
V_T:0～15V
Power Output
Power Output
Variation
P_O dBm _≥10
12
△P_{O dB} ≤ ±1. 5 _{±1. 0}
V_T=5V
Tuning Voltage
V_T V 0～15
–
–
Pushing
K_VC MHz/V
–
3.0 V_CC=11～13V,V_T=5V
Spurious
R_fs dBc ≤-70
–
Harmonics
R_fn dBc
–
-20
SSB Phase Noise SФ dBc/Hz –
-87 V_T=5V,f_m=10KHz
Frequency Drift △f MHz –
50 V_T=5V,TA:-55～+85℃
Current
I_CC mA
–
30
–
Tuning Port
Capacitance
C_T pF
–
45
–
Absolute Ratings
Maximum DC Voltage : +15V
Maximum Tuning Voltage : +30V
Minimum Tuning Voltage : -0.7V
Maximum Storage Temp:+125℃
1
4
2
3
TO-8C
Application Notes
1.This device is only an oscillator;an
external buffer amplifier or isolator
is required to lower the frequency
pulling
2.See assembly section for mounting
information
3.ESD observe handing precautions
4.Equivalent to VTO-8360 of HP
1
2 _HEMXXX 4
Lot number
3
SMO-8C
1
2
4
HEXXX
3
1. Vcc 3. GND
2. VT 4. Po
Frequency vs Tuning Voltage
4400
4100
3800
3500
3200
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
200
140
80
20
03
6
9
12 15
Tuning Voltage(V)
Phase Noise vs Offset Frequency
-50
-70
-90
-110
-130
-150
1K
10K
100K
1M
Offset (Hz)
● TEL:[phone] 87091887 ● FAX:[phone] ● http://www.cn-bowei.com ● E-mail:[e-mail]
23