RF Source-Analog Devices
News on ICs for the entire RF signal chain

New RF ICs:
These products are in full production and available for sampling/ordering
18 GHz Microwave PLL Synthesizer
Integrated SiGe prescaler
Software compatible with the ADF4106/ADF4107/ADF4108 family of PLLs
2.85 V to 3.15 V PLL power supply
Programmable charge pump currents
Programmable dual-modulus prescaler 8/9, 16/17, 32/33, 64/65
3-wire serial interface
Analog and digital lock detect
Hardware and software power-down mode
Learn more and order sample of the ADF41020 PLL Synthesizer

Dual-channel 14-Bit, 250 MSPS/170 MSPS, 1.8 V Analog-to-Digital Converter with JESD204B-compatible Serial Output
Subclass 1 deterministic latency
SNR = 70.6.5 dBFS @ 185 MHz
SFDR = 88 dBc @ 185 MHz
Total power: 711 mW
IF sampling frequencies to 400 MHz
Small package outline: 7 mm x 7 mm 48-Lead LFCSP
Learn more about the AD9250 dual-channel ADC

Low-jitter RF Clock Optimizes High-speed Data Converter SNR Performance in Communications and Instrumentation Applications
RMS jitter:
    83 fs @ 245.76 MHZ (1 kHz to 100 MHz)
    46 fs @ 245.76 MHz (12 kHz to 20 MHz)
Maximum output speed: 3.6 GHz
Output-to-output skew: 25 ps
Number of outputs: 8 LVPECL and 1 LVPECL SYNC
7 mm x 7 mm 48-Lead LFCSP
Learn more about the AD9525 RF clock

Fractional-N/Integer-N PLL Synthesizer
RF bandwidth to 4 GHz
2.7 V to 3.3 V power supply
Separate VP allows extended tuning voltage
Programmable fractional modulus
Programmable charge pump current
3-wire serial interface
Analog and digital lock detect
Power-down mode
Pin-compatible with ADF4106/ADF4110/ADF4111/ADF4112/ ADF4113 and ADF4153
Consistent RF output phase
Learn more and order samples of the ADF4153A PLL Synthesizer

Direct Digital Synthesizers with 12-Bit DAC
3.5 GSPS (AD9914) and 2.5 GSPS (AD9915) internal clock speed
Integrated 12-bit DAC
Frequency tuning resolution to 190 pHz (AD9914) and 135 pHz (AD9915)
16-bit phase tuning resolution
12-bit amplitude scaling
Programmable modulus
Automatic linear and nonlinear frequency sweeping capability
32-bit parallel data path interface
8 frequency/phase offset profiles
Learn more and order samples of the AD9914 and AD9915 Direct Digital Synthesizers
Winter 2012
New RF IC Selection Guide
1000+ RF ICs from Antenna to Bits and Back. Download the new version of the RF IC Selection Guide here

Selection
Circuits From the Lab™ Reference Circuits
CFTL
Increasing the Number of Outputs from a Clock Source Using Low Jitter LVPECL Fanout Buffers

Many systems require low jitter multiple system clocks for mixed signal processing and timing. This circuit interfaces the ADF4351 integrated phase-locked loop (PLL) and voltage-controlled oscillator (VCO) to the ADCLK948, which provides up to eight differential, low voltage, positive emitter coupled logic (LVPECL) outputs from one differential output of the ADF4351.

Read the circuit note and download design files


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