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MB15C101

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FUNCTIONAL DESCRIPTIONS

Two different frequencies can be selected by Div input “H” or “L”.
The divide ratios are calculated using the following equation:

VCO

= {(P

N) + A}

OSC

R (A < N)

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PHASE DETECTOR TIME CHART

Note: • .Phase error detection range: –2

to +2

• Pulses on Do output signal during locked state are output to prevent dead zone.
• LD output becomes low when phase is t

or more. LD output becomes high when phase error is t

less and continues to be so for three cycles or more.

• .t

and t

depend on OSCin input frequency.

> 8/fosc (s) (e. g.t

> 625.0ns, foscin = 12.8 MHz)

< 16/fosc (s) (e. g. t

< 1250.0ns, foscin = 12.8 MHz)

Symbol

Description

Div = “H”

Div = “L”

fvco

Output frequency of external VCO

233.15 MHz

259.20 MHz

fosc

Reference oscillation frequency

19.2 MHz

Divide ratio of the main counter

291

Divide ratio of the swallow counter

Preset divide ratio of dual modulus

prescaler

16/17

Divide ratio of the reference counter

384 (fr = 50 kHz)

40 (fr = 480 kHz)

High impedance

Содержание MB15C101

Страница 1: ...d to set the divide ratios by a microcontroller externally It operates with a supply voltage of 3 0 V typ and dissipates 1 0 mA typ 270MHz of current realized through the use of Fujitsu Microelectronics s CMOS technology The MB15C101 is ideally suitable for PHS systems FEATURES Low power supply current ICC 1 0 mA typ VCC 3 V 270MHz Pulse swallow function Prescaler 16 17 Setting frequency Selectabl...

Страница 2: ... ratio switching input Two kinds of divide ratios are selectable by Div input H or L 6 3 fout O Test purpose output This pin is an open drain output so that should be left open usually 7 4 LD O Lock detector output LD H Lock LD L Unlock 8 5 OSCin I Reference counter input Connection should be with AC coupling 8 7 6 5 1 2 3 4 VCC DO GND fin OSC IN LD fout DIV TOP VIEW FPT 8P M03 TOP VIEW LCC 16P M0...

Страница 3: ...V fout LD Do fr fp Oscillator input buffer Reference divider Reference counter R Data setting circuit Prescaler 16 17 P Control circuit Swallow counter A Main counter N Phase comparator charge pump Lock detector Output selector Comparison divider ...

Страница 4: ...at personnel and equipment are properly grounded Cover workbenches with grounded conductive mats Always turn the power supply off before inserting or removing the device from its socket Protect leads with a conductive sheet when handling or transporting PC boards with devices Parameter Symbol Rating Unit Min Max Power supply voltage VCC 0 5 4 0 V Input voltage VI 0 5 VCC 0 5 V Output voltage VOUT ...

Страница 5: ... AC coupling by 1000 pF capacitor 3 26 MHz Input sensitivity fin Pfin AC coupling by 1000 pF capacitor 10 2 dBm OSCIN Vosc AC coupling by 1000 pF capacitor 0 5 Vpp Input voltage Div VIH VCC 0 7 V VIL VCC 0 3 V Input current Div IIH 1 0 µA IIL 1 0 µA Input current OSCIN IOSC 100 100 µA Output voltage Do VOH VCC 3 0 V IOH 0 3mA 2 6 V VOL VCC 3 0 V IOL 0 3mA 0 4 V Output current Do IOH VCC 3 0 V VOH ...

Страница 6: ... phase error is tWL or less and continues to be so for three cycles or more tWU and tWL depend on OSCin input frequency tWU 8 fosc s e g tWU 625 0ns foscin 12 8 MHz tWL 16 fosc s e g tWL 1250 0ns foscin 12 8 MHz Symbol Description Div H Div L fvco Output frequency of external VCO 233 15 MHz 259 20 MHz fosc Reference oscillation frequency 19 2 MHz 19 2 MHz N Divide ratio of the main counter 291 33 ...

Страница 7: ...ut sensitivity fin OSCin SSOP 8 BCC 16 1 2 3 4 8 7 6 5 S G 50 Ω 1000 pF 0 1 µF 1000 pF VCC VCC 2 KΩ 50 Ω S G DIV H or L Oscilloscope S G 50 Ω 1000 pF 0 1 µF VCC 1000 pF VCC 2 KΩ 50 Ω S G 8 7 15 16 9 10 11 12 13 14 6 5 4 3 2 1 DIV H or L Oscilloscope ...

Страница 8: ... 1000 MHz dBm 10 5 0 5 10 15 20 25 30 35 40 45 50 0 100 200 300 400 500 600 700 800 900 SPEC VCC 2 4 V VCC 3 0 V VCC 3 6 V Ta 25 C fin MHz Pfin dBm 100 MHz Ta 25 C dBm 10 5 0 5 10 15 20 25 30 35 40 45 50 0 10 20 30 40 50 60 70 80 90 SPEC VCC 2 4 V VCC 3 0 V VCC 3 6 V fosc MHz Vosc dBm ...

Страница 9: ...Ω 50 MHz 2 16 891 Ω 416 2 Ω 100 MHz 3 12 047 Ω 202 87 Ω 200 MHz 4 11 867 Ω 131 54 Ω 4 0331 pF STOP 1 000 000 000 MHz 300 000 000 MHz 2 1 4 3 5 1345 Ω 10 288 kΩ 3 MHz 529 87 Ω 3 6659 kΩ 10 MHz 114 44 Ω 1 8514 kΩ 20 MHz 1 2 3 START 500 000 MHz STOP 100 000 000 MHz 26 000 000 MHz 4 068 25 Ω 1 4236 Ω 4 3 pF ...

Страница 10: ...2 V OH V IOH mA VCC 3 0 V Ta 25 C VCC 3 0 V Ta 25 C 3 0 2 5 2 0 1 5 1 0 0 5 0 0 0 2 4 6 8 10 12 V OL V IOL mA S G GND VCC VCC 50 Ω 1000 pF fin Do OSCin Parameter Analyzer IOH S G GND VCC VCC 50 Ω 1000 pF fin Do OSCin Parameter Analyzer IOL VOH IOH VOL IOL Measurement Circuit ...

Страница 11: ...leakage f 58 kHz 88 5 dBc Phase noise f 1 kHz f 10 kHz f 100 kHz f 1 MHz 88 0 dBc Hz 111 0 dBc Hz 118 0 dBc Hz 134 0 dBc Hz VCC V 3 0 V VCO Discrete VCO Kv 3 5 MHz V Lock Frequency 274 0 MHz fr 58 kHz VCC 3 0 V MB15C101 1000 pF 1000 pF fin OSCin S G 50 Ω 18 Ω 18 Ω 18 Ω Spectrum Analyzer VCO R1 C1 C2 C3 R2 C1 6800 pF C2 0 068 µF C3 4800 pF R1 3 0 kΩ R2 3 9 KΩ Loop Filter ...

Страница 12: ... 91 83 dB 10 00 kHz D CENTER 273 999827 MHz RBW 100 Hz VBW 30 Hz SPAN 20 00 kHz SWP 30 0 sec f 10 kHz SPAN 20 kHz ATTEN 10 dB RL 1 5 dBm 10 dB MKR 88 50 dB 58 0 kHz D CENTER 274 0002 MHz RBW 1 0 kHz VBW 30 Hz SPAN 200 0 kHz SWP 30 0 sec f 100 kHz SPAN 200 kHz ATTEN 10dB RL 30 0 dBm 10 dB MKR 105 5 dB 275 000 MHz D START 274 000 MHz RBW 1 0 Hz VBW 100 Hz STOP 276 000 MHz SWP 100 sec f 1 MHz SPAN 2 ...

Страница 13: ...3 Lockup Time Un Lock to Lock 30 00300 MHz 1 00 kHz div 29 99800 MHz 0 s 20 0000000 ms Mkr 2 30 ms 30 00300 MHz 1 000 kHz div 29 99800 MHz 0 s 10 0000000 ms Mkr 3 40 ms Un Lock to Lock DIV L to H VCC OFF to VCC ON ...

Страница 14: ...14 MB15C101 ORDERING INFORMATION Part number Package Remarks MB15C101PFV 8 pin Plastic SSOP FPT 8P M03 MB15C101PV1 16 pad Plastic BCC LCC 16P M06 ...

Страница 15: ...0 STAND OFF 0 10 0 10 004 004 020 008 0 50 0 20 0 80 0315 TYP INDEX A 0 10 004 0 15 006 1 25 049 M 0 10 004 165 004 244 008 NOM 014 004 138 004 6 20 0 20 5 20 205 4 20 0 10 2 40 094 REF 0 35 0 10 3 50 0 10 1994 FUJITSU LIMITED F08005S 1C 2 C Dimensions in mm inches Mounting height This dimension does not include resin protrusion ...

Страница 16: ...4 55 0 10 179 004 0 80 031 MAX Mounting height 0 075 0 025 003 001 Stand off 0 05 002 6 9 1 14 9 14 1 6 0 40 0 10 016 004 0 75 0 10 030 004 Details of A part 1 725 068 REF 1 15 045 REF B Details of B part 024 004 0 60 0 10 024 004 0 60 0 10 0 65 026 TYP INDEX AREA 134 004 3 40 0 10 Dimensions in mm inches 16 pad plastic BCC LCC 16P M06 ...

Страница 17: ...17 MB15C101 MEMO ...

Страница 18: ...18 MB15C101 MEMO ...

Страница 19: ...19 MB15C101 MEMO ...

Страница 20: ... this document including descriptions of function and schematic diagrams shall not be construed as license of the use or exercise of any intellectual property right such as patent right or copyright or any other right of FUJITSU MICROELECTRONICS or any third party or does FUJITSU MICROELECTRONICS warrant non infringement of any third party s intellectual property right or other right by using such...

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