PDF SL2030 Data sheet ( Hoja de datos )

Número de pieza	SL2030
Descripción	High Performance Broadband Mixer Oscillator
Fabricantes	Mitel Networks Corporation
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No Preview Available ! SL2030 High Performance Broadband Mixer Oscillator Preliminary Information DS5116 Issue 2.1 October 1999 Features Ordering Information G Single Chip Broadband Solution G Wide Dynamic Range RF Input G Low Phase Noise Balanced Internal Local Oscillator G Wide Frequency Range: 50 to 860 MHz G ESD Protection 2kV min., MIL-STD-883B Method 3015 Cat.1 (Normal ESD handling procedures should be observed) Applications G Double Conversion Tuners G Digital Terrestrial Tuners G Data Transmit Systems G Data Communications Systems The SL2030 is a bipolar, broadband wide dynamic range mixer oscillator, optimised for applications as an upconverter in double conversion tuner systems. It also has application in any system where a wide dynamic range broadband frequency converter is required. The SL2030 is a single chip solution containing all necessary active circuitry and simply requires an external tuneable resonant network for the local oscillator. The block diagram is shown in Figure 1 and pin connections are shown in Figure 2. SL2030/IG/MP1S (Tubes) SL2030/IG/MP1T (Tape and Reel) The output of the preamplifier is fed to the mixer section which is optimised for low radiation application. In this stage the RF signal is mixed with the local oscillator frequency, which is generated by an on-chip oscillator. The oscillator block uses an external tuneable network and is optimised for low phase noise. A typical application is shown in Figure 6 and the typical phase noise performance in Figure 5. This block also contains a buffer-amplifier to interface with an external PLL to allow for frequency synthesis of the local oscillator. The IF output must be loaded differentially in order to get best intermodulation performance. The approximate model of the IF output is shown in Figure 4. In application care should be taken to achieve symmetric balance to the IF outputs to maximise intermodulation performance. In normal application the high IF output is interfaced through appropriate impedance matching to the high IF filter. The RF input preamplifier of the device is designed for low noise figure within the operating region and for high intermodulation distortion intercept so offering good signal to noise plus composite distortion spurious performance. The preamplifier also provides gain to the mixer section and back isolation from the local oscillator section. The approximate model of the RF input is shown in Figure 3. Absolute Maximum Ratings Supply voltage, VCC RF differential input voltage All I/O port DC offset Storage temperature Junction temperature Package thermal resistance Chip to ambient, θJA Chip to case, θJC 20·3V to 17V 2·5V 20·3 to VCC 10·3V 255°C to 1150°C 1150°C 20°C/W 80°C/W RFIN RFIN LO2 LO1 Figure 1 SL2030 block diagram IF1 IF2 PRSC1 1 page SL2030 Component C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 Value/type 1nF 1nF 1 nF 1·5pF 1pF 1pF 100pF 100pF 100pF 10µF 100nF 100nF 100pF 100pF 100nF 100nF 2pF 100pF 1nF 33nF 1nF Component Value/type Component C26 C27 C28 C29 1·5pF C30 18pF C31 330nF C32 1nF C33 1nF C34 100nF C35 1nF C36 C37 C38 100pF C39 C40 C41 4·7µF C42 3·3nF C43 100nF C44 C45 C46 100nF C47 100pF D1 IT402 D2 IT402 L1 100nH Table 1 Component values for Figure 6 L2 L3 L4 L5 L6 L7 L8 L9 L10 L11 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 S1 T1 X1 Value/type 18nH 220nH 18nH 220nH 220nH 220nH 6·8nH 6·8nH 220Ω 20Ω 1kΩ 120Ω 120Ω 15kΩ 22kΩ 15kΩ 1kΩ 4·7kΩ 50Ω Resonator (Figure 7) BCW31 4MHz crystal 0·5 0·5 1·5 1·0 0·5 3 1·5 33 Figure 7 Microstrip resonator (dimensions are in mm) 5 5 Page

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