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SP8400

Part Number	SP8400
Manufacturer	Mitel Networks
Description	Very Low Phase Noise Synthesiser Divider
Published	Jun 7, 2005
Detailed Description	SP8400 Very Low Phase Noise Synthesiser Divider DS3739 - 2.1 April 1994 The SP8400 is a very low phase noise programmab...
Datasheet	SP8400 PDF File

Overview

SP8400 Very Low Phase Noise Synthesiser Divider DS3739 - 2.
1 April 1994 The SP8400 is a very low phase noise programmable divider which is based on a divide by 8/9 dual modulus prescaler and a 12 stage control counter.
This gives a minimum division ratio of 56 (64 for fractional - N synthesis applications), and a maximum division ratio of 4103.
Special circuit techniques have been used to reduce the phase noise considerably below that produced by standard dividers.
The data inputs are CMOS or TTL compatible.
The SP8400 is packaged in a 28 pin plastic SO package.
M2 M1 M0 VCC +5V GND CLOCK INPUT CLOCK INPUT CLOCK INPUT CLOCK INPUT GND VCC +5V VCC +5V GND A0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 M3 M4 M5 M6 M7 M8 N/C OUTPUT OUTPUT N/C VCC +5V N/C A2 A1 FEATURES s Very low Phase Noise (Typically -156dBc/Hz at 1kHz offset) s Supply Voltage 5V ABSOLUTE MAXIMUM RATINGS Supply Voltage Output Current Storage Temperature Range Maximum Clock Input Voltage 6.
5V 20mA -55°C to +125°C 2.
5V p-p MP28 Fig.
1 Pin connections - top view ORDERING INFORMATION SP8400 KG MPES(Commercial Grade) 0 –10 –20 –30 –40 –50 (f) (dBc/Hz) –3dB –60 –70 –80 –90 –100 –110 –120 –130 –140 –150 –160 –170 10 100 1k Frequency (Hz) 10k 100k Fig.
2 Typical single sideband phase noise measured at 300MHz SP8400 ELECTRICAL CHARACTERISTICS Guaranteed over: Supply voltage VCC = +4.
75V to +5.
25V Temperature Tamb = -10°C to +75°C Tested at +4.
75V and +5.
25V at Tamb = +25°C Characteristic Pin Min.
4, 11, 12, 18 20, 21 7, 8 122 320 Value Typ.
Max.
137 410 152 mA mV mV dBm Output loaded with 300R See Fig.
4 p-p @ 1.
5GHz input ÷ 71 mode See Fig.
4 RMS Sine wave into 50 Ohms (dBm equivalent) See Fig.
3 Units Conditions Supply current Output voltage swing Input sensitivity 200MHz to 1.
5GHz 140 (-4) Data Inputs Logic high voltage Low low voltage Input current 2.
2 0.
8 180 V V µA 5V Data input voltage 600 500 400 V in mV rms 355mV 300 OPERATING WINDOW 200 140mV 100 0 ...

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