Real Time Clock Trickle-Charge Timekeeping Chip

MMIC VCO SMT w/ Buffer Amplifier, 3.35 - 3.55 GHz Features: Pout +4.7 dBm Phase Noise: -112 dBc/HZ @ 100 KHz No External Resonator Needed Single Supply: 3V @ 41 mA 50 Ohm Matched & DC Blocked RF I/Os OFN Leadless SMT Package, 16mm2

Microwave Wideband Synthesizer with Integrated VCO Features: RF output frequency range: 62.5 MHz to 32,000 MHz Fractional-N synthesizer and Integer N synthesizer High resolution 39-bit fractional modulus Typical spurious PFD: −90 dBc Integrated rms jitter: 38 fs (1 kHz to 100 MHz) Normalized phase noise floor: −234 dBc/Hz PFD operation to 250 MHz Reference frequency operation to 600 MHz Programmable divide by 1, 2, 4, 8, 16, 32, or 64 output 62.5 MHz to 8,000 MHz output at RF8x and RFAUX8x 8,000 MHz to 16,000 MHz output at RF16x 16,000 MHz to 32,000 MHz output at RF32x Lock time approximately 3 ms with automatic calibration Lock time <30 μs with autocalibration bypassed Analog and digital power supplies: 3.3 V VCO power supply: 3.3 V and 5 V RF output mute function 7mm × 7mm, 48-terminal LGA package

The LTC6954 is a family of very low phase noise clock distribution parts. Each part has three outputs and each output has an individually programmable frequency divider and delay. There are four members of the family, differing in their output logic signal type:LTC6954-1: Three LVPECL outputsLTC6954-2: Two LVPECL and one LVDS/CMOS outputsLTC6954-3: One LVPECL and two LVDS/CMOS outputsLTC6954-4: Three LVDS/CMOS outputsEach output is individually programmable to divide the input frequency by any integer from 1 to 63, and to delay each output by 0 to 63 input clock cycles. The output duty cycle is always 50%, regardless of the divide number. The LVDS/CMOS outputs are jumper selectable via the OUTxSEL pins to provide either an LVDS logic output or a CMOS logic output.The LTC6954 also features Linear Technology’s EZSync system for perfect clock synchronization and alignment every time.All device settings are controlled through an SPI-compatible serial port.Applications Clocking High Speed, High Resolution ADCs, DACs and Data Acquisition Systems Low Jitter Clock Distribution

The ADF4155 allows implementation of fractional-N or integer-N phase-locked loop (PLL) frequency synthesizers when used with an external loop filter, external voltage controlled oscillator (VCO), and external reference frequency.The ADF4155 is for use with external VCO parts up to an 8 GHz operating frequency. The high resolution programmable modulus allows synthesis of exact frequencies with 0 Hz error.The VCO frequency can be divided by 1, 2, 4, 8, 16, 32, or 64 to allow the user to generate RF output frequencies as low as 7.8125 MHz.Control of all on-chip registers is through a simple 3-wire interface. The device operates with a nominal power supply of 3.3 V ± 5% and can be powered down when not in use.The ADF4155 is available in a 24-lead, 4 mm × 4 mm LFCSP package.APPLICATIONS Wireless infrastructure (W-CDMA, TD-SCDMA, WiMAX, GSM, PCS, DCS, DECT) Point to point/point to multipoint microwave links Test equipment Wireless LANs, CATV equipment Clock generation

Delay Lines/Timing Elements 1.50nsec Delay Line IC

The HMC510LP5(E) is a GaAs InGaP Heterojunction Bipolar Transistor (HBT) MMIC VCO. The HMC510LP5(E) integrates resonators, negative resistance devices, varactor diodes and feature half frequency and divide-by-4 outputs. The VCO?s phase noise performance is excellent over temperature, shock, and process due to the oscillator?s monolithic structure. Power output is +13 dBm typical from a +5V supply voltage. The prescaler and RF/2 functions can be disabled to conserve current if not required. The voltage controlled oscillator is packaged in a leadless QFN 5?5 mm surface mount package, and requires no external matching components.APPLICATIONS Point-to-Point/Multi-Point Radio? Test Equipment & Industrial Controls? SATCOM? Military End-Use

The HMC584LP5(E) is a GaAs InGaP Heterojunction Bipolar Transistor (HBT) MMIC VCO. The HMC584LP5(E) integrates resonators, negative resistance devices, varactor diodes and feature half frequency and divide-by-4 outputs. The VCO?s phase noise performance is excellent over temperature, shock, and process due to the oscillator?s monolithic structure. Power output is +10 dBm typical from a +5V supply voltage. The prescaler and RF/2 functions can be disabled to conserve current if not required. The voltage controlled oscillator is packaged in a leadless QFN 5x5 mm surface mount package, and requires no external matching components.APPLICATIONS Point to Point/Multipoint Radio Test Equipment & Industrial Controls SATCOM Military End-Use

The HMC737 is a GaAs InGaP Heterojunction Bipolar Transistor (HBT) MMIC VCO. The HMC737 integrate a resonator, negative resistance device, varactor diode and feature half frequency output. The VCO's phase noise performance is excellent over temperature, shock, and process due to the oscillator's monolithic structure. Power output is +9 dBm typical from a +4.2V supply voltage. The voltage controlled oscillator is packaged in a leadless QFN 4x4 mm surface mount package, and requires no external matching components.APPLICATIONS Point-to-Multi-Point Radios Test Equipment & Industrial Controls SATCOM Military End-Use

The AD9508 provides clock fanout capability in a design thatemphasizes low jitter to maximize system performance. Thisdevice benefits applications like clocking data converters withdemanding phase noise and low jitter requirements.There are four independent differential clock outputs, each withvarious types of logic levels available. Available logic typesinclude LVDS (1.65 GHz), HSTL (1.65 GHz), and 1.8 V CMOS(250 MHz). In 1.8 V CMOS output mode, the differential outputbecomes two CMOS single-ended signals. The CMOS outputsare 1.8 V logic levels, regardless of the operating supply voltage.Each output has a programmable divider that can be bypassedor be set to divide by any integer up to 1024. In addition, theAD9508 supports a coarse output phase adjustment betweenthe outputs.The device can also be pin programmed for various fixedconfigurations at power-up without the need for SPI or I2C programming.The AD9508 is available in a 24-lead LFCSP and operates froma either a single 2.5 V or 3.3 V supply. The temperature range is?40?C to +85?C.Applications Low jitter, low phase noise clock distribution Clocking high speed ADCs, DACs, DDSs, DDCs, DUCs, MxFEs High performance wireless transceivers High performance instrumentation Broadband infrastructure