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MC1648 Scheda tecnica(PDF) 3 Page - Motorola, Inc |
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MC1648 Scheda tecnica(HTML) 3 Page - Motorola, Inc |
3 / 11 page MC1648 HIPERCOMM BR1334 — Rev 4 3 MOTOROLA Figure 2. Spectral Purity of Signal Output for 200MHz Testing B.W. = 10 kHz Center Frequency = 100 MHz Scan Width = 50 kHz/div Vertical Scale = 10 dB/div 0.1 µF 1200* C L 10 12 5 0.1 µF 3 SIGNAL UNDER TEST 10 µF 0.1 µF 1 14 L=40nH C=10pF +5.0Vdc L: Micro Metal torroid #T20–22, 8 turns #30 Enameled Copper wire. C = 3.0–35pF * The 1200 ohm resistor and the scope termination impedance constitute a 25:1 attenuator probe. Coax shall be CT–075–50 or equivalent. TEST VOLTAGE/CURRENT VALUES @ Test Temperature (Volts) mAdc Temperature VIHmax VILmin VEE IL MC1648 –30 °C –3.2 –3.7 –5.2 –5.0 +25 °C –3.35 –3.85 –5.2 –5.0 +85 °C –3.5 –4.0 –5.2 –5.0 Note: SOIC “D” package guaranteed –30 °C to +70°C only ELECTRICAL CHARACTERISTICS (Supply Voltage = –5.2V) –30 °C +25 °C +85 °C Symbol Characteristic Min Max Min Max Min Max Unit Condition IE Power Supply Drain Current – – – 41 – – mAdc Inputs and outputs open VOH Logic “1” Output Voltage –1.045 –0.815 –0.96 –0.75 –0.89 –0.64 Vdc VILmin to Pin 12, IL @ Pin 3 VOL Logic “0” Output Voltage –1.89 –1.65 –1.85 –1.62 –1.83 –1.575 Vdc VIHmax to Pin 12, IL @ Pin 3 VBIAS1 Bias Voltage –3.6 –3.3 –3.75 –3.45 –3.9 –3.6 Vdc VILmin to Pin 12 Min Typ Max Min Typ Max Min Typ Max Unit Condition VP–P Peak–to–Peak Tank Voltage – – – – 400 – – – – mV See Figure 3 Vdc Output Duty Cycle – – – – 50 – – – – % fmax2 Oscillation Frequency – 225 – 200 225 – – 225 – MHz 1. This measurement guarantees the dc potential at the bias point for purposes of incorporating a varactor tuning diode at this point. 2. Frequency variation over temperature is a direct function of the ∆C/∆ Temperature and ∆L/∆ Temperature. |
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