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The F1523BA series low profile voltage-controlled crystal oscillators (VCXO) for phase-locked loops, synthesizers and frequency modulation have a profile that is only 0.285-inch high, allowing greater packing density. The pin-through oscillators feature HCMOS/TTL outputs and can pull eight TTL loads in the 30 to 50 MHz range. Frequency stability is ±25 ppm under all conditions and output symmetry is 45 to 55 percent at 2.5 V over the 1 to 52 MHz frequency range. Pullability ranges from ±100 to 150 ppm between 1 and 30 MHz and ±60 to 120 ppm between 35 and 52 MHz at a control voltage of 2.5 V. Operating temperature range is 0° to +70°C. Price: $3.27 (1000). Delivery: six weeks (ARO).
Fox Electronics, Fort Myers, FL (888) 438-2369.

Commercial Wideband VCO
The model VCO190-1500AT VCO generates frequencies from 1200 to 1800 MHz with control voltages from 0.5 to 15 V. (The unit typically requires 23 mA of current from an 8.0 V supply voltage.) Typical phase noise is -98 dBc/Hz at 10 kHz offset. Output power is +9 dBm (typ), and second and third harmonic suppression is -14 and -16 dBc, respectively. Housed in a surface-mount, pick-and-place/reflow-compatible package, the unit measures 0.50" x 0.50" x 0.18".
Vari-L Company Inc., Denver, CO (303) 371-1560.

High Performance, Low Cost VCO
The model V584ME08 VCO generates frequencies from 1340 to 1735 MHz within 1 to 13 V DC of tuning and operates over the extended commercial temperature range of -40° to +70°C. The rugged unit operates from a 12 V DC power supply while typically drawing 24 mA. Phase noise is -103 dBc/Hz at 10 kHz offset, second harmonic suppression is typically -10 dBc and average tuning sensitivity is 51 MHz/V. Designed specifically for cable modem applications, the unit is housed in a standard MINI surface-mount package that measures 0.50" x 0.50" x 0.22". Price: $15.95. Delivery: stock to six weeks.
Z-Communications Inc., San Diego, CA (619) 621-2700.

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