BOWEI HEM725

HE725/HEM725
BOWEI
Dual Tuning VCO
BOWEI INTEGRATED CIRCUITS CO.,LTD.
Typical Performance
Frequency vs Tuning Voltage
2700
Features
buffer amplifier low frequency pulling
output flexible tuning design
●Perfect tuning linearity thin film hybrid construction
●TO-8E、SMO-8E、SP-1 package
●Operating temperature range:-55℃~+85℃
Frequency(MHz)
●Built-in
●Dual
2580
2460
2340
2220
Specifications( TA=25℃,VCC=+12V)
2100
3
0
–
Po2
△ PO
20
12
VT1 :0~15V
VT2:0~10V
9
12
15
Power Output vs Tuning Voltage
VT1=10V VT2=5V
–
Output Power(dBm)
fL~fH MHz 2300~2600
–
MHz
–
Fine Frequency Range
P
dB
m
≥10
Main Output
o1
Primary Frequency Range
6
Tuning Voltage(V)
Symbol Unit Guaranteed Typical Test Condition
Parameter
Ta=+25℃
Ta=+85℃
Ta= - 55℃
Fine Tuning Voltage
VT2
dBm
dB
V
V
Pushing
KVC
MHz/V
–
Spurious
Rfs
dBc
-30
- 90
50
fL-H:2300~2600MHz
Tuning Voltage(V)
VT1=10V, VT2=5V ,fm=10KHz
VT1=10V, VT2=5V ,TA:-55~+85℃
Tuning Sensitivity vs Tuning Voltage
Power Output
Variation
Primary Tuning Voltage
VT1
–
0
–
0~15
0~10
3.0
–
3.0
–
fL-H:2300~2600MHz
–
–
–
VCC=11~13V,VT1=10V, VT2=5V
Rfn
SФ
△f
dBc
dBc/Hz
MHz
Current
ICC
mA
–
70
–
Tuning Port
Capacitance
CT
pF
–
90
–
Absolute Ratings
1
6
5
4
12
2
2
3
3
6
HEMXXX
Lot number
5
TO-8E
9
12
15
70
50
30
10
0
4
6
3
0
1
Maximum DC Voltage : +15V
Maximum Tuning Voltage : +30V
Minimum Tuning Voltage : -0.7V
Maximum Storage Temp:+125℃
13
fL-H:2300~2600MHz
≤-70
–
–
–
Harmonics
SSB Phase Noise
Frequency Drift
14
Tuning Sensitivity(MHz/V)
Aux Output
SMO-8E
6
3
9
12
15
Tuning Voltage(V)
Application Notes
1. Pin 5 should be connected 50Ω load
4.Specified specification available within
frequency range 25~5000MHz
VCO
Attenuator
2
3
Power Splitters
Combiners
1
6
5
1. Vcc
2. VT2
3. VT1
4. GND
5. Po2
6. Po1
4
Phase Noise(dBc/Hz)
Phase Noise vs Offset Frequency
2.See assembly section for mounting information
3.ESD observe handling precautions
-50
-70
-90
-110
-130
-150
1K
10K
100K
1M
Offset (Hz)
● TEL:+86-311-87091891 87091887 ● FAX:+86-311-87091282 ● http://www.cn-bowei.com ● E-mail:cjian@cn-bowei.com
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