sp5070 Mitel, sp5070 Datasheet
sp5070
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sp5070 Summary of contents
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... The SP5070 is a single modulus frequency synthesiser for use in Satellite TV receivers and together with an appropriate voltage controlled oscillator (VCO), forms a complete phase locked loop (PLL) synthesiser. The circuit consists of a prescaler with preamplifier and a fixed modulus divider. The phase comparator is fed with a reference frequency derived from an external oscillator or crystal. The comparator has a charge pump output amplifi ...
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... SP5070 ELECTRICAL CHARACTERISTICS Tamb = -40°C to +85°C,VCC = +4.5V to +5.5V. These characteristics are guaranteed by either production test or design. They apply within the specified ambient temperature and supply voltage ranges unless otherwise stated. Characteristics Symbol Supply current Prescaler input voltage Prescaler input voltage ...
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... FUNCTIONAL DESCRIPTION The SP5070, when used with a voltage controlled oscillator, forms a complete phase locked loop frequency synthesiser. The phase comparator comparison frequency is obtained by dividing the reference frequency. This may be generated on-chip by means of an external crystal, or from an external reference oscillator. The output of the prescaler is divided by the fixed modulus divider, producing an output frequency which is phased locked to the comparison frequency ...
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... SP5070 Fig.5 Typical input sensitivity RF input Reference oscillator Fig.7 SP5070 input/output interface circuits = 50 FREQUENCY MARKER 0 STEP = 500MHz Fig.6 Typical input impedance Loop amplifier TEST 1and TEST 2 outputs ...
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... Mitel. This publication is issued to provide information only and (unless agreed by Mitel in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded as a representation relating to the products or services concerned. The products, their specifications, services and other information appearing in this publication are subject to change by Mitel without notice. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or service. Information concerning possible methods of use is provided as a guide only and does not constitute any guarantee that such methods of use will be satisfactory in a specifi ...