General Description
The HMC398QS16G & HMC398QS16GE are single chip GaAs InGaP Heterojunction Bipolar Transistor (HBT) MMIC VCOs. The HMC398QS16G & HMC398QS16GE integrate resonators, negative resistance devices, varactor diodes and divide-by-8 prescalers. The VCO’s phase noise performance is excellent over temperature, shock, and process due to the oscillator’s monolithic structure. Power output is +7 dBm typical from a 5V supply voltage. The voltage controlled oscillator is packaged in a low cost, surface mount 16 leaded QSOP package with an exposed base for improved RF and thermal performance. The HMC398QS16G & HMC398QS16GE require no external components

*Pout: +7 dBm
*Phase Noise: -105 dBc/Hz @100 KHz Typ.
*No External Resonator Needed
*Single Supply: 5V @ 325 mA
*QSOP16G SMT Package

Typical Applications
Low noise MMIC VCO w/Divide-by-8 for Ku-Band applications such as:
*Point-to-Point Radios
*Point-to-Multi-Point Radios / LMDS


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