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SP8808

Mitel Networks
Part Number SP8808
Manufacturer Mitel Networks
Description 3.3GHz 8 Fixed Modulus Divider
Published Jun 7, 2005
Detailed Description SP8808 3.3GHz ÷ 8 Fixed Modulus Divider Advance Information DS2113 Issue 7.3 june 1998 Features q q q q q q q q Orderi...
Datasheet PDF File SP8808 PDF File

SP8808
SP8808


Overview
SP8808 3.
3GHz ÷ 8 Fixed Modulus Divider Advance Information DS2113 Issue 7.
3 june 1998 Features q q q q q q q q Ordering Information SP8808/A/DG Military temperature range DES9157001/AC/DGAZ (SMD) Very High Speed Operation 3.
3GHz Silicon Technology for low Phase Noise (Typically better than -140dBc/Hz at 10kHz) Specified Over the Full Military Temperature Range Low Power Dissipation 345mW (typ) 5V Single Supply Operation High Input Sensitivity Very Wide Operating Frequency Range Available as DESC SMD 5962-9157001MPA Thermal Characteristics θja = 150°C/W θjc = 50°C/W Description The SP8808 is one of a range of very high speed low power prescalers for professional and military applications.
The device features a complementary output stage with on chip current source for the emitter follower outputs.
Absolute Maximum Ratings Supply voltage VCC Clock Input voltage Storage temperature range Junction temperature 6.
5V 2.
5V p-p -65°C to +150°C +175°C SUPPLY 1 VCC VREF (2V) 400 400 7 ÷8 6 INPUT INPUT 2 3 2.
5mA 6.
75mA 2mA OUTPUT OUTPUT 500 500 5 GND Figure 1 SP8808 Block diagram SP8808 Advance Information INPUT INPUT NC SP8808 VCC 1 2 3 4 8 7 6 5 NC OUTPUT OUTPUT GND DG8 Figure 2 Pin connections Electrical Characteristics Guaranteed over the temperature range Tamb -55°C to +125°C (see note) and supply voltage range 4.
75V to 5.
25V.
Tested at Tamb = -55°C and +110°C, VCC = 4.
75V and 5.
25V.
Characteristic Supply current Input sensitivity 0.
65GHz to 2.
8GHz 3.
3GHz Input impedance (series equivalent) Pin Min 1 2, 3 Value Typ 69 Max 85 175 400 Units mA mV mV Ω pF Conditions VCC = 5V RMS sinewave measured in 50 ohm system.
See Figs.
3 & 4 Output Voltage with fin =1000MHz Output Voltage with fin = 3GHz NOTE: Devices must be used with a suitable heatsink to maintain chip temperature below 175°C when operating at Tamb>110°C.
500 400 VIN (mV RMS INTO 50 OHMS) 300 200 100 2     ,,        2, 3 50 2 0.
8 6, 7 6, 7 1 0.
4 Vp-p Vp-p VCC = 5V V...



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