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Ultra Quiet Voltage Controlled Oscillator

Tue, 02/13/2001 - 9:48am
Z-Communications introduced the CLV1000A — a VCO geared for wireless telemetry radio applications. This VCO generates frequencies between 998-1001 MHz within a control voltage range of 0.5 - 2.5 V DC. This makes it ideal for integration into PLLs where the error voltage can be taken directly from the IC's charge pump circuitry. In addition, the CLV1000A is sure to optimize any wireless telemetry radio system by exhibiting a spectral signal of – 116 dBc/Hz, typically, at 10 kHz offset while conserving energy. It operates from a 3 V DC supply while typically drawing 15 mA.

The CLV1000A offers the end user a nominal output power level of – 2.25 dBm into a 50 Ω load while suppressing the second harmonic to better than – 18 dBc. Moreover, this VCO's average linear tuning sensitivity of 17 MHz/V will help ease many PLL designers tasks. The CLV1000A is further enhanced by pushing less than 1 MHz/V within a 5% change of the supply voltage and pulling less than 1 MHz with a 14 dB return loss, any phase.

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