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Part Name(s) : LMX2364 LMX2364SLEX LMX2364TM LMX2364TMX National-Semiconductor
National ->Texas Instruments
Description : 2.6 GHZ PLLatinum Fractional RF FREQUENCY SYNTHESIZER with 850 MHz Integer IF FREQUENCY SYNTHESIZER

General Description
The LMX2364 integrates a high performance 2.6 GHZ fractional FREQUENCY SYNTHESIZER with a 850 MHz low power Integer-N FREQUENCY SYNTHESIZER. Designed for use in a local oscillator subsystem of a radio transceiver, the LMX2364 generates very stable, low noise control signals for UHF and VHF voltage controlled oscillators. It is fabricated using National’s high performance BiCMOS process.

Features
RF SYNTHESIZER supports both Fractional and Integer Operating Modes
Pin Compatible upgrade for LMX2354
2.7V to 5.5V operation
Pin and programmable power down
Fractional N divider supports fractional denominators ranging from 1 through 128
Supports Integer Mode Operation
Programmable charge pump current levels
    RF: 4 level, 1 – 16 mA
    IF: 2 level, 100/800 uA
FastLock Technology with integrated timeout counters
Digital filtered & analog lock detect output
FastLock Glitch Reduction Technology
Enhanced Low Noise Fractional Compensation Engine
Low voltage programming interface allows direct connection to 1.8V logic

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Part Name(s) : ADF4158 ADF4158CCPZ ADF4158CCPZ-RL7 EVAL-ADF4158EB1Z ADI
Analog Devices
Description : Direct Modulation/Waveform Generating, 6.1 GHZ FRACTIONAL-N FREQUENCY SYNTHESIZER

GENERAL DESCRIPTION
The ADF4158 is a 6.1 GHZ, FRACTIONAL-N FREQUENCY SYNTHESIZER with modulation and waveform generation capability. It contains a 25-bit fixed modulus, allowing subhertz resolution at 6.1 GHZ. It consists of a low noise digital phase FREQUENCY detector (PFD), a precision charge pump, and a programmable reference divider. There is a sigma-delta (Σ-Δ) based fractional interpolator to allow programmable FRACTIONAL-N division. The INT and FRAC registers define an overall N-divider as N = INT + (FRAC/225).

FEATURES
RF bandwidth to 6.1 GHZ
25-bit fixed modulus allows subhertz FREQUENCY resolution
FREQUENCY and phase modulation capability
Sawtooth and triangular waveforms in the FREQUENCY domain
Parabolic ramp
Ramp superimposed with FSK
Ramp with 2 different sweep rates
Ramp delay
Ramp FREQUENCY readback
Ramp interruption
2.7 V to 3.3 V power supply
Separate VP allows extended tuning voltage
Programmable charge pump currents
3-wire serial interface
Digital lock detect
Power-down mode
Cycle slip reduction for faster lock times
Switched bandwidth fast-lock mode

APPLICATIONS
FMCW radar
Communications test equipment

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Part Name(s) : SKY72300-21 TW16-D400-011 Skyworks
Skyworks Solutions
Description : Spur-Free, 2.1 GHZ Dual FRACTIONAL-N FREQUENCY SYNTHESIZER

Description
Skyworks SKY72300-21 direct digital modulation FRACTIONAL-N FREQUENCY SYNTHESIZER provides ultra-fine FREQUENCY resolution, fast switching speed, and low phase-noise performance. This SYNTHESIZER is a key building block for high-performance radio system designs that require low power and fine step size.

Features
• Spur-free operation
• 2.1 GHZ maximum operating FREQUENCY
• 500 MHz maximum auxiliary SYNTHESIZER
• Ultra-fine step size, 100 Hz or less
• High internal reference FREQUENCY enables large loop bandwidth implementations
• Very fast switching speed (e.g., below 100 Ps)
• Phase noise to –91 dBc/Hz inside the loop filter bandwidth @ 1800 MHz
• Software programmable power-down modes
• High-speed serial interface up to 100 Mbps
• Three-wire programming
• Programmable division ratios on reference FREQUENCY
• Phase detectors with programmable gain to provide a programmable loop bandwidth
FREQUENCY power steering further enhances rapid acquisition time
• On-chip crystal oscillator
FREQUENCY adjust for temperature compensation
• Direct digital modulation
• 3 V operation
• 5 V output to loop filter
• EP-TSSOP (28-pin, 9.7 x 6.4 x 1.1 mm) package (MSL3, 260 qC per JEDEC J-STD-020)

Applications
• General purpose RF systems
• 2.5G and 3G wireless infrastructure
• Broadband wireless access
• Low bit rate wireless telemetry
• Instrumentation
• L-band receivers
• Satellite communications

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Part Name(s) : LMX2353 LMX2353SLBX LMX2353TM LMX2353TMX National-Semiconductor
National ->Texas Instruments
Description : PLLatinum™ Fractional N Single 2.5 GHZ FREQUENCY SYNTHESIZER

General Description
The LMX2353 is a monolithic integrated fractional N FREQUENCY SYNTHESIZER, designed to be used in a local oscillator subsystem for a radio transceiver. It is fabricated using National’s 0.5µ ABiC V silicon BiCMOS process. The LMX2353 contains dual modulus prescalers along with modulo 15 or 16 fractional compensation circuitry in the N divider. A 16/17 or 32/33 prescale ratio can be selected for the LMX2353. Using a fractional N phase locked loop technique, the LMX2353 can generate very stable low noise control signals for UHF and VHF voltage controlled oscillators (VCO’s).

Features
■ 2.7V – 5.5V operation
■ Low Current Consumption ICC = 4.5 mA typ @ VCC = 3.0V
■ Programmable or Logical Power Down Mode ICC = 5 µA typ @ VCC = 3.0V
■ Modulo 15 or 16 fractional N divider Supports ratios of 1, 2, 3, 4, 5, 8, 15, or 16
■ Programmable charge pump current levels 100 µA to 1.6 mA in 100 µA steps
■ Digital Filtered Lock Detect

Applications
■ Portable wireless communications (PCS/PCN, cordless)
■ Zero blind slot TDMA systems
■ Cellular and Cordless telephone systems
■ Spread spectrum communication systems (CDMA)

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Part Name(s) : ADF4159 ADF4159CCPZ ADF4159CCPZ-RL7 EV-ADF4159EB2Z EV-ADF4159EB3Z ADI
Analog Devices
Description : Direct Modulation/Fast Waveform Generating, 13 GHZ, FRACTIONAL-N FREQUENCY SYNTHESIZER

GENERAL DESCRIPTION
The ADF4159 is a 13 GHZ, FRACTIONAL-N FREQUENCY SYNTHESIZER with modulation and both fast and slow waveform generation capability. The part uses a 25-bit fixed modulus, allowing subhertz
FREQUENCY resolution. The ADF4159 consists of a low noise digital phase FREQUENCY detector (PFD), a precision charge pump, and a programmable reference divider. The Σ-Δ-based fractional interpolator allows programmable FRACTIONAL-N division. The INT and FRAC registers define an overall N divider as N = INT + (FRAC/225).

FEATURES
RF bandwidth to 13 GHZ
High and low speed FMCW ramp generation
25-bit fixed modulus allows subhertz FREQUENCY resolution
PFD frequencies up to 110 MHz
Normalized phase noise floor of −224 dBc/Hz
FSK and PSK functions
Sawtooth, triangular, and parabolic waveform generation
Ramp superimposed with FSK
Ramp with 2 different sweep rates
Ramp delay, FREQUENCY readback, and interrupt functions
Programmable phase control
2.7 V to 3.45 V analog power supply
1.8 V digital power supply
Programmable charge pump currents
3-wire serial interface
Digital lock detect
ESD performance: 3000 V HBM, 1000 V CDM

APPLICATIONS
FMCW radars
Communications test equipment
Communications infrastructure

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Part Name(s) : HMC701LP6CE HMC701LP6CE Hittite
Hittite Microwave
Description : 8 GHZ 16-BIT FRACTIONAL-N SYNTHESIZER

General Description
the hMc701LP6ce is a siGe BicMos FRACTIONAL-N FREQUENCY SYNTHESIZER. the SYNTHESIZER includes a 8GHZ 16-bit rf n-Divider, a 24-bit delta-sigma modulator, a very low noise digital phase FREQUENCY detector (PfD), and a precision controlled charge pump. in addition the SYNTHESIZER supports an external step tuned Vco.

Features
• fractional or integer Modes
• 8 GHZ, 16-Bit rf n-counter
• 24-Bit step size resolution, 3 hz typ
• Ultra Low Phase noise 6 GHZ, 50 Mhz ref.
    -103 / -110 dBc/hz @ 20 khz (frac / integer)
• reference Path input: 200 Mhz
• 14-Bit reference Path Divider
• Low fractional spurious
• reference spurs: -90 dBc typ
• auto and triggered sweeper functions
• cycle slip Prevention (csP) for fast settling
• autotune support for external step tuned Vcos
• Multi-Vco support
• auxiliary clock source
• 40 Lead 6x6mm sMt Package: 36mm²

Typical Applications
• Base stations for Mobile radio (GsM, Pcs, Dcs, cDMa, WcDMa)
• Wireless Lans, WiMax
• communications test equipment
• catV equipment
• fMcW sensors
• automotive radar
• Phased-array systems

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Part Name(s) : ADF4156 ADF4156BCPZ ADF4156BCPZ-RL ADF4156BCPZ-RL7 ADF4156BRUZ ADF4156BRUZ-RL ADF4156BRUZ-RL7 EVAL-ADF4156EB ADI
Analog Devices
Description : 6 GHZ FRACTIONAL-N FREQUENCY SYNTHESIZER

GENERAL DESCRIPTION
The ADF4156 is a 6 GHZ FRACTIONAL-N FREQUENCY SYNTHESIZER that implements local oscillators in the upconversion and downconversion sections of wireless receivers and transmitters. It consists of a low noise digital phase FREQUENCY detector (PFD), a precision charge pump, and a programmable reference divider. There is a sigma-delta (Σ-Δ) based fractional interpolator to allow programmable FRACTIONAL-N division. The INT, FRAC, and MOD registers define an overall N divider (N = (INT + (FRAC/MOD))). The RF output phase is programmable for applications that require a particular phase relationship between the output and the reference. The ADF4156 also features cycle slip reduction circuitry leading to faster lock times without the
need for modifications to the loop filter.

FEATURES
RF bandwidth to 6 GHZ
2.7 V to 3.3 V power supply
Separate VP allows extended tuning voltage
Programmable fractional modulus
Programmable charge pump currents
3-wire serial interface
Digital lock detect
Power-down mode
Pin compatible with
ADF4110/ADF4111/ADF4112/ADF4113/ADF4106/
ADF4153 and ADF4154 FREQUENCY SYNTHESIZERs
Programmable RF output phase
Loop filter design possible with ADISimPLL
Cycle slip reduction for faster lock times

APPLICATIONS
CATV equipment
Base stations for mobile radio (WiMAX, GSM, PCS, DCS,
SuperCell 3G, CDMA, WCDMA)
Wireless handsets (GSM, PCS, DCS, CDMA, WCDMA)
Wireless LANs, PMR
Communications test equipment

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Part Name(s) : LMX2354 LMX2354SLB LMX2354SLDX LMX2354SLEX LMX2354TM LMX2354TMX LMX2355SLB LMX2355TM LMX2354SLBX National-Semiconductor
National ->Texas Instruments
Description : PLLatinum Fractional N RF/ Integer N IF Dual Low Power FREQUENCY SYNTHESIZER

General Description
The LMX2354 is part of a family of monolithic integrated fractional N/Integer N FREQUENCY SYNTHESIZERs designed to be used in a local oscillator subsystem for a radio transceiver. It is fabricated using National’s 0.5 µ ABiC V silicon BiCMOS process. The LMX2354 contains quadruple modulus prescalers along with modulo 15 or 16 fractional compensation circuitry in the RF divider. The LMX2354 provides a continuous divide ratio of 80 to 32767 in 16/17/20/21 (1.2 GHZ–2.5 GHZ) fractional mode and 40 to 16383 in 8/9/12/13 (550 MHz–1.2 GHZ) fractional mode. The IF circuitry for the LMX2354 contains an 8/9 prescaler, and is fully programmable. Using a fractional N phase locked loop technique, the LMX2354 can generate very stable low noise control signals for UHF and VHF voltage controlled oscillators (VCOs).

Features
■ Pin compatible/functional equivalent to the LMX2350
■ Enhanced Low Noise Fractional Engine
■ 2.7V to 5.5V operation
■ Low current consumption LMX2354: ICC = 7 mA typical at 3V
■ Programmable or logical power down mode: ICC = 5 µA typical at 3V
■ Modulo 15 or 16 fractional RF N divider supports ratios of 1, 2, 3, 4, 5, 8, 15, or 16
■ Programmable charge pump current levels RF 100 µA to 1.6 mA in 100 µA steps IF 100 µA or 800 µA
■ Digital filtered lock detect
■ Available in 24-pin TSSOP and 24-pin CSP

Applications
■ Portable wireless communications (PCS/PCN, cordless)
■ Dual mode cellular telephone systems
■ Zero blind slot TDMA systems
■ Spread spectrum communication systems (CDMA)
■ Cable TV Tuners (CATV)

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Part Name(s) : ADF4151 ADF4151BCPZ ADF4151BCPZ-RL7 EVAL-ADF4151EB1Z ADI
Analog Devices
Description : FRACTIONAL-N/Integer-N PLL SYNTHESIZER

GENERAL DESCRIPTION
The ADF4151 allows implementation of FRACTIONAL-N or integer-N phase-locked loop (PLL) FREQUENCY SYNTHESIZERs if used with an external voltage controlled oscillator (VCO), loop filter, and external reference FREQUENCY.

FEATURES
FRACTIONAL-N SYNTHESIZER and integer-N SYNTHESIZER
RF bandwidth to 3.5 GHZ
3.0 V to 3.6 V power supply
1.8 V logic compatibility
Separate charge pump supply (VP) allows extended tuning voltage (up to 5.5 V) in 3 V systems
Programmable dual-modulus prescaler of 4/5 or 8/9
Programmable RF output phase
3-wire serial interface
Analog and digital lock detect
Switched bandwidth fast lock mode
Cycle slip reduction

APPLICATIONS
Wireless infrastructure (W-CDMA, TD-SCDMA, WiMax, GSM, PCS, DCS, DECT)
Test equipment
Wireless LANs, CATV equipment
Clock generation

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Part Name(s) : ADF4154 ADF4154BCP ADF4154BCP-REEL ADF4154BCP-REEL7 ADF4154BCPZ ADF4154BCPZ-RL ADF4154BCPZ-RL7 ADF4154BRU ADF4154BRU-REEL ADF4154BRU-REEL7 ADF4154BRUZ ADF4154BRUZ-RL ADF4154BRUZ-RL7 EVAL-ADF4154EB1 EVAL-ADF4154EBZ1 ADI
Analog Devices
Description : FRACTIONAL-N FREQUENCY SYNTHESIZER

GENERAL DESCRIPTION
The ADF4154 is a FRACTIONAL-N FREQUENCY SYNTHESIZER that implements local oscillators in the up conversion and down conversion sections of wireless receivers and transmitters. It consists of a low noise digital phase FREQUENCY detector (PFD), a precision charge pump, and a programmable reference divider. There is a Σ-Δ based fractional interpolator to allow programmable FRACTIONAL-N division. The INT, FRAC, and MOD registers define an overall N-divider (N = (INT + (FRAC/MOD))). In addition, the 4-bit reference counter (R-counter) allows selectable REFIN frequencies at the PFD input. A complete phase-locked loop (PLL) can be implemented if the SYNTHESIZER is used with an external loop filter and a voltage-controlled oscillator (VCO).

FEATURES
RF bandwidth to 4 GHZ
2.7 V to 3.3 V power supply
Separate VP allows extended tuning voltage
Programmable dual-modulus prescaler 4/5, 8/9
Programmable charge pump currents
3-wire serial interface
Digital lock detect
Power-down mode
Pin compatible with the ADF4110/ADF4111/ADF4112/ADF4113, ADF4106, ADF4153
Programmable modulus on FRACTIONAL-N SYNTHESIZER
Trade-off noise vs. spurious performance
Fast-lock mode with built-in timer
Loop filter design possible with ADIsimPLL™

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