Dual Output intergrated VCO
Description
BOWEI
BOWEI INTEGRATED CIRCUITS CO.
,LTD.
HE832/HEM832
Dual Output Integrated VCO
Typical Performance
Frequency vs Tuning Voltage
2800
buffer amplifier low frequency pulling ●Dual output flexible tuning design ●Perfect tuning linearity thin film hybrid construction ●TO-8E、SMO-8E、SP-1 package ●Operating t emperature range：-55℃～+85℃
●Built-in
Features
Frequency(MHz)
2640 2480 2320 2160 2000 0 2 4 6 8 10 12 14 16 18 20
Specifications( TA=25℃,VCC=+12V)
Tuning Voltage(V) Power Output vs Tuning Voltage
Ta=+25℃ Ta=+85℃ Ta= - 55℃
Harmonics SSB Phase Noise Frequency Drift Current
Tuning Port Capacitance
Rfn SФ △f ICC CT
dBc dBc/Hz
MHz
– – – – –
-25 -90 40 70
90
㈰ァꬲき
VT=10V,fm=10KHz VT=10V,TA:-55～+85℃
Tuning Sensitivity(MHz/V)
Output Power(dBm)
Symbol Unit Guaranteed Typical Test Condition Parameter VT:0～18V Frequency Range fL～fH MHz 2200～2600 – PO1 dBm 12 – Main Output ≥10 P – Aux Output 0 o2 VT=10V dBm 12 Power Output P ㈰ァꬲき △ O dB ≤±1 .
5 ±1 .
0 Variation 10 Tuning Voltage – – VT 0～18 V – Pushing 3.
0 VCC=11～13V,VT=10V KVC MHz/V 8 ㈰ァꬲき Spurious – ≤-70 Rfs dBc
0
2
4
6
8 10 12 14 16 18 20
Tuning Voltage(V) Tuning Sensitivity vs Tuning Voltage
105 75 45 15 0 2 4 6 8 10 12 14 16 18 20
mA pF
– –
1
Maximum DC Voltage : +15V Maximum Tuning Voltage : +30V Minimum Tuning Voltage : -0.
7V Maximum Storage Temp:＋125℃
Absolute Ratings
1 6 5 4
2 3
2
6
3
HEMXXX
Lot number
5
4
Application Notes
TO-8E
SMO-8E
Phase Noise(dBc/Hz)
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 handling precautions 4.
Pin 2 can be used as another tuning port if necessary
1
Power Splitters Combiners
Tuning Voltage(V) Phase Noise vs Offset Frequency
-50 -70 -90 -110 -130 -150 1K 10K 100K 1M
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2 3
VCO
Attenuator
6 5
1.
Vcc 2.
GND 3.
VT
4.
GND 5.
Po2 6.
Po1
4
Offset (Hz)
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