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BOWEI
BOWEI INTEGRATED CIRCUITS CO.,LTD.
HE404B/HEM404B
Broadband VCO
Typical Performance
Frequency vs Tuning Voltage
2200
Frequency(MHz)
1980 1760 1540
Features
●Low phase noise ●Hyperabrupt varactor
broad tuning bandwith ●Perfect tuning linearity ●Reliable thin film hybrid construction ●TO-8C、SMO-8C、SP-1 packages available ●Operating temperature range：-55℃～+85℃
1320 1100 0 2 4 6 8 10 12 14 16 18 20
Tuning Voltage(V)
Symbol Unit Guaranteed Typical Test Condition Parameter – VT:0～20V Frequency Range fL～fH MHz 1500～2000 PO dBm VT=10V Power Output ≥13 14 Power Output △PO dB ≤±1 . 5 ±1 . 0 Variation Tuning Voltage – – VT 0～20 V – Pushing 2.
HEM404B Datasheet