Surface Mount Voltage Controlled Oscillator DCS 1800 - 1900 MHz MLO81100-01850 V3.00 Features ● ● ● ● LSM1 Package Miniature Size Surface Mount Package Electrically Shielded Low Phase Noise Highly Linear Tuning 4.0 12.7 11.8 0.8 IDENT VCC M/A-COM VT PART NO. Description RF DATE 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. 11.8 12.7 ● 1.6 5.5 1.7 DETAIL A. 4 0.8 1 1.5 5.5 3.2 3 7.15 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. DETAIL A. 2 8.0 SOLDER RESIST Electrical Specifications1, TA = +25°C, VCC = +5V (unless otherwise stated) Parameter Frequency Range Tuning Voltage (VT)2 RF Output Power3 Supply Voltage (VCC)4 Test Conditions 1800 - 1900 MHz Supply Current (ICC) Noise5 Phase Average Tuning Sensitivity6 Tuning Linearity Harmonic Outputs7 Frequency Pushing Frequency Pulling Frequency Drift Tune Input Capacitance 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 -20°C to +70°C 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 -20°C to +70°C. Devices will oscillate normally with tuning voltages from 0V to +10V. 3. Output power window includes unit to unit variation, temperature effects -20°C to +70°C and frequency flatness (typically 0.5 dB at any constant temperature). Units MHz V Min. 1800 +0.5 dBm V -3.0 +4.75 Typ. Max. 1900 +4.5 +5.00 +3.0 +5.25 mA 13 15 dBc/Hz MHz/V Ratio dBc MHz/V MHz MHz/°C pF -118 50 1.5 -22 1.5 4.5 -0.15 -114 2.0 -15 2.5 5.5 50 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. Specifications Subject to Change Without Notice. M/A-COM Ltd. North America: 1 Tel. (800) 366-2266 Fax (800) 618-8883 ■ Asia/Pacific: Tel. +85 2 2375 0618 Fax +85 2 2375 0350 ■ Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020 Surface Mount Voltage Controlled Oscillator MLO81100-01850 V3.00 Functional Configuration Absolute Maximum Ratings 1 Parameter Pad Absolute Maximum Configuration 0 to +15V 1 RF Output Supply Voltage (VCC) +6V 2 VCC Storage Temperature -45°C to +100°C 3 VT +230°C for 10 secs 4 N/C or Ground Tuning Voltage (VT) 2 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. Case / Lid Ground Substrate Material FR4. Environmental Specifications Devices are designed to operate over the temperature range of -20°C to +70°C and after exposure to the shock, vibration, thermal shock and moisture conditions typically encountered in base station and subscriber terminal environments. -40 PHASE NOISE 2.00 FREQUENCY (GHz) PHASE NOISE (dBc/Hz) Typical Performance @ +25°C and VCC +5V -60 -80 -100 -120 -140 -160 100 1K 10K 100K 1M TUNING CURVE 1.95 1.90 1.85 1.80 1.75 1.70 0.0 10M 1.0 2.0 1.0 0.0 -1.0 -2.0 1.81 1.83 3.0 4.0 5.0 TUNING SENSITIVITY TUNING SENSITIVITY (MHz/V) OUTPUT POWER (dBm) OUTPUT POWER 3.0 -3.0 1.79 2.0 TUNING VOLTAGE (V) FREQUENCY OFFSET FROM CARRIER (Hz) 1.85 1.87 1.89 1.91 75.0 65.0 55.0 45.0 35.0 25.0 0.0 1.0 2.0 3.0 4.0 5.0 TUNING VOLTAGE (V) FREQUENCY (GHz) Specifications Subject to Change Without Notice. M/A-COM Ltd. 2 North America: Tel. (800) 366-2266 Fax (800) 618-8883 ■ Asia/Pacific: Tel. +85 2 2375 0618 Fax +85 2 2375 0350 ■ Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020