Very High Operating Speed Operation down with Square Wave Input Phase

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Very High Operating Speed Operation down with Square Wave Input Phase

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ZL40815 10GHz Fixed Modulus
Very High Operating Speed Operation down with Square Wave Input Phase Noise (Typically better than 150dBc/Hz kHz) Single Supply Operation Power Dissipation: 420mW (Typ) Surface Mount Plastic Package With Exposed (See Application Notes)
Issue November 2002
Ordering Information ZL40815/DCE (tubes) lead e-pad SOIC ZL40815/DCF (tape reel) lead e-pad SOIC -40°C +85°C
Description
ZL40815 range supply, very high speed, power prescalers professional applications with fixed modulus divide dividing elements static type flip flops, therefore, allow operation down drive signal pulse waveform with fast risetimes. output stage internal pull giving output. application notes more details
Applications
applications HyperLan LMDS Instrumentation Satellite Communications Fibre Optic Communications; OC48, OC192 Ultra Jitter Clock Systems
OUTPUT OUTPUT
400R INPUT INPUT
20mA
Figure Block Diagram
ZL40815
Connections View
INPUT INPUT INPUT
Data Sheet
OUTPUT OUTPUT OUTPUT
SOIC E-Pad
Applications Configuration
Figure shows recommended application configuration. This example shows devices single ended operation.
R3:100ohm C8:10nF C3:100pF C4:100pf R1:50ohm C5:100pf C6:10nF C7:10nF C2:10nF C1:10uF
R2:50ohm
Example Configuration Single ended operation
Figure Recommended circuit configuration above circuit diagram shows some components dotted lines. These optional many applications. power supply decoupling capacitors available board already. (100 Ohm) included further power supply decoupling required first stage biasing circuit. This optimise noise jitter performance. values suggestions have modified existing supplies particularly noisy. Ohm), series with (100 pF), reduce feedthrough input signal output. Ohm) will help balance current drawn from power supply reduce voltage transients power supply line.
Zarlink Semiconductor Inc.
Data Sheet Evaluation Boards From Zarlink Semiconductor
ZL40815
Zarlink Semiconductor provide prescaler evaluation board. These primarily those interested performing their assessment operation prescalers. boards supplied unpopulated assembled single ended differential input output operation. Once assembled, that required source supply operation. inputs outputs connected side launch connectors.
Absolute Maximum Ratings
Parameter Supply voltage Prescaler Input Voltage protection (Static Discharge) Storage temperature Maximum Junction Temp Thermal characteristics TJmax THja 58.6 Symbol +150 +125 (Vdd_IO+5%) Units Vp-p °C/W multi-layer
AC/DC Electrical Characteristics
Electrical Characteristics (Tamb 25C, Characteristic Supply current Supply current Input frequency Input sensitivity Input sensitivity Input sensitivity Input overload Input overload Input Edge Speed Output voltage Output power Phase Noise (10kHz offset) Duty Cycle -152 Min. Typ. 0.35 Max. Units Vp-p dBc/Hz Conditions Input stage bias current Divider output stages sinewave, Note 1GHz 2GHz 2GHz 9.5GHz 11GHz 1GHz 4GHz 5GHz 11GHz <2GHz operation. Differential Into 50ohm pullup resistors Single-ended output, 2GHz 10GHz, -10dBm 5GHz, 0dBm graph, figure
following characterization test method incremented amplitude over entire range frequency ensures that there "holes" characteristic. following characteristics guaranteed either production test design. Note Input sensitivity output power values assume source load impedances.
Zarlink Semiconductor Inc.
ZL40815
Data Sheet
Typical input sensitivity (sinewave drive)
20.00
10.00
into (dBm)
0.00
GUARANTEED OPERATING WINDOW
-10.00
(Typ)
-20.00 Input frequency extends source edge speed V/us more less -30.00
-40.00 Input Frequency (GHz)
Electrical Characteristics (Vcc ±5%, Tamb +85C)
Characteristic Supply current Supply current Supply current Supply current Supply current Supply current Supply current Min. Typ. 0.35 Max. Units Conditions Input stage bias current, Note degC 5.25V degC 4.75V degC 5.25V degC 4.75V degC 5.25V degC 4.75V
characteristics guaranteed design characterisation over range operating conditions unless otherwise stated: (Input Frequency range 10GHz Sinewave) Note stage bias current. some applications e.g. power supply noisy, advantageous further supply decoupling this (i.e. additional filter, diagram recommended circuit configuration, figure
Zarlink Semiconductor Inc.
Data Sheet
Input Output Characteristics Value Characteristic Input sensitivity Input overload Input overload Input overload Input overload Input Edge Speed Output voltage Output power Duty Cycle Trise Tfall Min. Typ. Max. Vp-p Units Conditions
ZL40815
Tamb 85C, <2GHz Operation, Note Differential Into 50ohm pullup resistors Single-ended output, 2GHz 10GHz, -10dBm
Note Input sensitivity output power values assume source load impedances. Input sensitivity output power values assume source load impedances.
details test set-up, refer Application Note Prescalers.
Zarlink Semiconductor Inc.
ZL40815
following graph summarises Input Output Characteristics table.
Typical input sensitivity (sinewave drive)
20.00
Data Sheet
10.00
into (dBm)
0.00
GUARANTEED OPERATING WINDOW
-10.00
-40C (Typ)
-20.00 Input frequency extends source edgespeed V/us more less -30.00
-40.00 Input Frequency (GHz)
Single Ended Output Power
following graphs show output power varies with supply. Differential output power will 3dB.
4.75v Device 1,Temperature -40°C Device 1,Temperature 85°C 1000000000 frequency (Hz) Device 1,Temperature 25°C
level (dBm)
10000000000
Figure Pout, Freq, Temp 4.75V
Zarlink Semiconductor Inc.
Data Sheet
ZL40815
Frequency_sweep, Device 1,Temperature -40°C Device 1,Temperature 85°C
Device 1,Temperature 25°C
level (dBm)
1000000000 frequency (MHz)
10000000000
Figure Pout, Freq, Temp
ZL40815_Pout_Frequency_sweep, 5.25v Device 1,Temperature -40°C Device 1,Temperature 85°C 1000000000 frequency (Hz) Device 1,Temperature 25°C
level (dBm)
10000000000
Figure Pout, Freq, Temp 5.25V
Zarlink Semiconductor Inc.
ZL40815
Oscillographs divider output waveforms
Data Sheet
following oscillographs show that low-level feedthrough input waveform further reduced summing output pins device differentially, refer Figure Figure
Figure Feedthrough input single-ended-output configuration 2dBm, 10GHz
Figure Feedthrough input using differential output configuration 2dBm, 10GHz
Zarlink Semiconductor Inc.
Data Sheet
Figure Figure show output waveforms with lower input frequency.
ZL40815
Figure Differential output with small input amplitute waveform 4.75V, 10dBm, 5GHz
Figure Differential output with lower frequency input 4.75V, 10dBm, 2GHz
Zarlink Semiconductor Inc.
ZL40815
Data Sheet
Zarlink Semiconductor Inc.
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Very High Operating Speed Operation down with Square Wave Input Phase

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