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| Voltage Controlled Oscillator - VCO RQC-Series Features ! Frequency up to 2 GHz ! Low Phase Noise ! Modulation Input available Description The RQC-type is a general purpose VCO. Components are selected for high-Q and tight tolerances. Raltron's RQC-series is developed and manufactured in its ISO9000 certified facility in Miami. RF-simulation (CAE), automated test-equipment (Agilent VCO/PLL-Analyzer) and statistical process control (SPC) are integral part of R&D and manufacturing - which ensure minimal process variances and a high degree of repeatability. Applications ! Base Stations ! Analog and Digital Radio ! Instrumentation Mechanical Specification TOP SIDE BOTTOM SOLDER PATTERN COMMENTS Pad / Functions: [1] Tuning Voltage [3] Supply Voltage [4] RF-Output [2,5] Ground [6] Modulation or Gnd Height "H" (max): 4.20mm / .165" Outline Tolerances: 0.20mm / .008" Electrical Specification PARAMETER Max Frequency Tuning Ratio Tuning Voltage Supply Voltage Supply Current Output Power Harmonic Suppression Pushing Pulling COMMENTS, EXAMPLES Currently available in RQR-package Ratio of upper-to-lower freq (2 = "Octave-VCO") Battery operated 2V, Stationary: 5V or higher Battery operated 3.3V to 5V, Stationary up to 12V Dependent on Frequency and Output Power Output Power Tolerance is typ. 3dB (min. 1dB) Dependent on Tuning Range and Freq Dependent on Freq, Tuning R., typ 0.1%~0.5% fo Dependent on Freq, Output Power and Circuit. SYMBOL fo f-up : f-low Vt Vcc Icc Pout a(2fo) df/dVcc df/dZL MIN TYP 1.1 0~5 5 20 +3 -20 1 3 MAX 2000 1.5 0~25 12 30 +10 UNIT MHz V V mA dBm dBc MHz/V MHz 0~2 3.3 10 -3 General Specification 1. Load Impedance is 50 Ohms. 2. Operating temperature range is typically -40C...+85C. 3. The package is non-hermetic. Substrate is glass-reinforced laminate, cover is folded nickel-silver. 4. Bypass-capacitors (ceramic) from Vcc to Ground are recommended: 1nF||100pF. 5. Customized specifications may deviate from this General Specification. 6. Phase-noise performance depends on the individual specification. Phase Noise is strongly dependent on (a) frequency (b) supply voltage and (c) tuning range. 7. The phase noise graph (to right) shows the characteristic of 2 typical RQC-VCOs. Samples are measured at 5V supply and have 3dBm output power and 1% tuning range. Phase Noise SSB Phase Noise (see Note 7) -70 -80 -90 -100 -110 -120 -130 -140 -150 1 10 100 1,000 10,000 Freq. Offset [kHz] 1000 MHz 1% L(f) [dBc/Hz] 400 MHz 1% (c) Raltron Electronics Corp. RQC-GeneralSpec-020228.doc J. Muenzing 10651 N.W. 19th St. ! Miami, Fl. 33172 ! USA ! Tel +001 305-593-6033 ! Fax +001 305-594-3973 ! vco@raltron.com ! www.raltron.com |
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