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| Surface Mount Voltage Controlled Oscillator DCS 1800 - 1900 MHz MLO81100-01850 V3.00 Features q q q q q LSM1 Package 4.0 0.8 IDENT 12.7 11.8 VCC Miniature Size Surface Mount Package Electrically Shielded Low Phase Noise Highly Linear Tuning M/A-COM RF 11.8 12.7 7.15 2 8.0 SOLDER RESIST VT PART NO. DATE Description The MLO81100-01850 is a fundamental single ended oscillator designed for use in cost sensitive wireless and telemetry applications. The device has been optimised by careful selection of the bipolar transistor and varactor diode for low phase noise and high linearity tuning characteristics. The low profile surface mount package used provides for electrical shielding, ease of assembly and repeatable performance. M/A-COM's surface mount manufacturing techniques together with automatic assembly and electrical testing ensure a high degree of electrical and mechanical repeatability at low cost and in high volume. Manufacturing is carried out in an ISO 9000 qualified facility. 1.6 1.7 0.8 1.5 1 3 3.2 5.5 5.5 4 DETAIL A. DETAIL A. Electrical Specifications1, TA = +25C, VCC = +5V (unless otherwise stated) Parameter Frequency Range Tuning Voltage (VT)2 RF Output Power3 Supply Voltage (VCC)4 Supply Current (ICC) Phase Average Tuning Sensitivity6 Tuning Linearity Harmonic Outputs7 Frequency Pushing Frequency Pulling Frequency Drift Tune Input Capacitance Noise5 SSB at 100 kHz offset from carrier 1800 - 1900 MHz 1800 - 1900 MHz VCC 4.75V to 5.25V 1.5:1 VSWR load, all phases -20C to +70C Test Conditions Units MHz V dBm V mA dBc/Hz MHz/V Ratio dBc MHz/V MHz MHz/C pF Min. 1800 +0.5 -3.0 +4.75 Typ. Max. 1900 +4.5 +3.0 +5.25 15 -114 2.0 -15 2.5 5.5 50 1800 - 1900 MHz +5.00 13 -118 50 1.5 -22 1.5 4.5 -0.15 1. All specifications apply with a 50 ohm load impedance. 2. Tuning voltages shown are the minimum and maximum voltages required to tune the frequency range including temperature effects -20C to +70C. Devices will oscillate normally with tuning voltages from 0V to +10V. 3. Output power window includes unit to unit variation, temperature effects -20C to +70C and frequency flatness (typically 0.5 dB at any constant temperature). Specifications Subject to Change Without Notice. 4. Devices may be operated at lower typical supply voltage with reduced performance. 5. For typical phase noise at other offsets see phase noise curve. 6. Defined as (1900 - 1800) / (VT 1900 - VT 1800) MHz/V. 7. Non harmonic spurious less than -70dBc. M/A-COM Ltd. North America: Tel. (800) 366-2266 Fax (800) 618-8883 s 1 Asia/Pacific: Tel. +85 2 2375 0618 Fax +85 2 2375 0350 s Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020 Surface Mount Voltage Controlled Oscillator Absolute Maximum Ratings Parameter Tuning Voltage (VT) Supply Voltage (VCC) 2 MLO81100-01850 V3.00 1 Functional Configuration Pad 1 2 3 4 Case / Lid Substrate Material FR4. Absolute Maximum 0 to +15V +6V -45C to +100C +230C for 10 secs Configuration RF Output VCC VT N/C or Ground Ground Storage Temperature Solder Assembly Temperature 1. Exceeding these limits may cause permanent damage. 2. A series resistor will allow operation at any greater supply voltage. Used in conjunction with a bypass capacitor this will yield improved power supply decoupling and noise suppression. 3. Static sensitive, observe appropriate precautions. Environmental Specifications Devices are designed to operate over the temperature range of -20C to +70C and after exposure to the shock, vibration, thermal shock and moisture conditions typically encountered in base station and subscriber terminal environments. Typical Performance @ +25C and VCC +5V PHASE NOISE (dBc/Hz) -40 -60 -80 -100 -120 -140 -160 100 1K 10K 100K 1M 10M PHASE NOISE FREQUENCY (GHz) 2.00 1.95 1.90 1.85 1.80 1.75 TUNING CURVE 1.70 0.0 1.0 2.0 3.0 4.0 5.0 FREQUENCY OFFSET FROM CARRIER (Hz) TUNING VOLTAGE (V) OUTPUT POWER OUTPUT POWER (dBm) 2.0 1.0 0.0 -1.0 -2.0 -3.0 1.79 1.81 1.83 1.85 1.87 1.89 1.91 TUNING SENSITIVITY TUNING SENSITIVITY (MHz/V) 75.0 65.0 55.0 45.0 35.0 25.0 0.0 1.0 2.0 3.0 4.0 5.0 3.0 FREQUENCY (GHz) TUNING VOLTAGE (V) Specifications Subject to Change Without Notice. 2 North America: Tel. (800) 366-2266 Fax (800) 618-8883 s M/A-COM Ltd. Asia/Pacific: Tel. +85 2 2375 0618 Fax +85 2 2375 0350 s Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020 |
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