The LTC6603 is a dual, matched, programmable lowpass filter for communications receivers and transmitters. The selectivity of the LTC6603, combined with its linear phase, phase matching and dynamic range, make it suitable for filtering in many communications systems. With 1.5? phase matching between channels, the LTC6603 can be used in applications requiring pairs of matched filters, such as transceiver I and Q channels. Furthermore, the differential inputs and outputs provide a simple interface for most communications systems.The sampled data filter does not require an external clock yet its cutoff frequency can be set with a single external resistor with an accuracy of 3.5% or better. The external resistor programs an internal oscillator whose frequency is divided prior to being applied to the filter networks. This allows up to three cutoff frequencies that can be obtained for each external resistor value, allowing the cutoff frequency to be programmed over a range of more than six octaves. Alternatively, the cutoff frequency can be set with an external clock. The filter gain can also be programmed to 1, 2, 4 or 16.The LTC6603 features a low power shutdown mode that can be programmed through the serial interface and is available in a 24-pin 4mm ? 4mm QFN package.Applications Small/Low Cost Basestations:? IDEN, PHS, TD-SCDMA, CDMA2000, WCDMA, UMTS Low Cost Repeaters, Radio Links, and Modems 802.11x Receivers JTRS

Demonstration circuit 1307B features the LTM8027 configured to deliver 12V/4A from a 16V to 60V input. The wide input range of the LTM8027 allows a variety of input sources such as automotive batteries, wall adaptors and industrial supplies. The LTM8027 is a step down converter, so a minimum amount of headroom is required to keep the output in regulation. A soft-start feature controls the output voltage slew rate at start-up, reducing current surges and voltage overshoots.

The HMC596LP4(E) is a low-cost 4x2 switch matrix in a leadless QFN 4x4 mm surface mount package for use in Satellite/DBS, LNBs and multiswitches from 200 to 3000 MHz. A positive voltage controlled 4 bit decoder is integrated on the switch. The switches may be used in either 75 ohm or 50 ohm systems.Both switch outputs (OP1 & OP2) can independently select any of the four inputs (HH, HL, VH, VL) or simultaneously select the same inputs. Note that the switch is bi-directional and input/output functionality may be interchanged. All data presented was measured in a 50 ohm (input/output) system.APPLICATIONS DBS LNBs & Multiswitches Cable Modem/CATV Cellular Systems

The HMC414MS8G(E) is a high efficiency GaAs InGaP Heterojunction Bipolar Transistor (HBT) MMIC Power amplifier which operates between 2.2 and 2.8 GHz. The amplifier is packaged in a low cost, surface mount 8 leaded package with an exposed base for improved RF and thermal performance. With a minimum of external components, the amplifier provides 20 dB of gain, +30 dBm of saturated power at 32% PAE from a +5V supply voltage. The amplifier can also operate with a 3.6V supply. Vpd can be used for full power down or RF output power/ current control.Applications BLUETOOTH MMDS

The HMC385LP4(E) is a GaAs InGaP Heterojunction Bipolar Transistor (HBT) MMIC VCO with integrated resonator, negative resistance device, varactor diode, and buffer amplifier. Covering 2.25 to 2.5 GHz, the VCO?s phase noise performance is excellent over temperature, shock, vibration and process due to the oscillator?s monolithic structure. Power output is 4.5 dBm typical from a single supply of 3V @ 35mA. The voltage controlled oscillator is packaged in a low cost leadless QFN 4x4 mm surface mount package.APPLICATIONS Wireless Infrastructure Industrial Controls Test Equipment Military

The HMC386LP4(E) is a GaAs InGaP Heterojunction Bipolar Transistor (HBT) MMIC VCO with integrated resonator, negative resistance device, varactor diode, and buffer amplifiers. Covering 2.6 to 2.8 GHz, the VCO?s phase noise performance is excellent over temperature, shock, vibration and process due to the oscillator?s monolithic structure. Power output is 5 dBm typical from a single supply of 3V @ 35mA. The voltage controlled oscillator is packaged in a low cost leadless QFN 4x4 mm surface mount package.APPLICATIONS Wireless Infrastructure Industrial Controls Test Equipment Military

The HMC437MS8G(E) is a low noise Divide-by-3 Static Divider utilizing InGaP GaAs HBT technology in a low cost 8 lead surface mount plastic package. This device operates from DC (with a square wave input) to 7 GHz input frequency from a single +5V DC supply. The low additive SSB phase noise of -153 dBc/Hz at 100 kHz offset helps the user maintain good system noise performance.APPLICATIONS UNII, Point-to-Point & VSAT Radios 802.11a & HiperLAN WLAN Fiber Optic Cellular/3G Infrastructure

The HMC440QS16G(E) is an integer-n synthesizer that incorporates a 10 to 1300 MHz digital Phase-Frequency Detector with 10 to 2800 MHz 5-Bit frequency counter (continuous division from 2 to 32) in miniature 16 lead QSOP plastic packages. It is intended for use in low phase noise offset-synthesizer app-lications.The HMC440QS16G(E) combines high frequency operation along with ultra low phase noise floor making possible synthesizers with wide loop bandwidth and low N resulting in fast settling and very low phase noise. When used in conjunction with a differential loop amplifier, the HMC440QS16G(E) generates an output voltage that can be used to phase lock a VCO to a reference oscillator.Applications Satellite Communication Systems? Point-to-Point Radios? Military Applications? Sonet Clock Generation Test Equipment

The HMC441LM1 is a broadband 7 to 15.5 GHz GaAs PHEMT MMIC Medium Power Amplifier in an SMT leadless chip carrier package. The amplifier provides 15 dB of gain, 21.5 dBm of saturated power at 27% PAE from a +5V supply voltage. An optional gate bias is provided to allow adjustment of gain, RF output power, and DC power dissipation. This 50 Ohm matched amplifier does not require any external components making it an ideal linear gain block or driver for HMC SMT mixers.Applications Point-to-Point Radios Point-to-Multi-Point Radios VSAT LO Driver for HMC Mixers Military EW & ECM

The HMC375LP3(E) is a high dynamic range GaAs PHEMT MMIC Low Noise Amplifier are ideal for GSM & CDMA cellular basestation front- end receivers operating between 1.7 and 2.2 GHz. This LNA has been optimized to provide 0.9 dB noise figure, 17 dB gain and +33 dBm output IP3 from a single supply of +5V @ 136mA. Input and output return losses are 14 dB typical with the LNA requiring minimal external components to optimize the RF input match, RF ground and DC bias.Applications GSM, GPRS & EDGE CDMA & W-CDMA DECT