AD607ARSZ Datasheet

RF Misc ICs and Modules


The AD607ARSZ is a 3 V low power receiver IF subsystem for operation at input frequencies as high as 500 MHz and IFs from 400 kHz to 12 MHz. It consists of a mixer, IF amplifiers, I and Q demodulators, a phase-locked quadrature oscillator, AGC detector, and a biasing system with external power-down. The AD607’s low noise, high intercept mixer is a doublybalanced Gilbert cell type. It has a nominal –15 dBm input referred 1 dB compression point and a –8 dBm input referred third-order intercept. The mixer section of the AD607 also includes a local oscillator (LO) preamplifier, which lowers the required LO drive to –16 dBm.The gain control input can serve as either a manual gain control (MGC) input or an automatic gain control (AGC) voltagebased RSSI output. In MGC operation, the AD607 accepts an external gain-control voltage input from an external AGC detector or a DAC. In AGC operation, an onboard detector and an external averaging capacitor form an AGC loop that holds the IF output level at ±300 mV. The voltage across this capacitor then provides an RSSI output.The I and Q demodulators provide inphase and quadrature baseband outputs to interface with Analog Devices’ AD7013 (IS54, TETRA, MSAT) and AD7015 (GSM) baseband converters.A quadrature VCO phase-locked to the IF drives the I and Q demodulators. The I and Q demodulators can also demodulate AM; when the AD607’s quadrature VCO is phase locked to the received signal, the in-phase demodulator becomes a synchronous product detector for AM. The VCO can also be phase-locked to an external beat-frequency oscillator (BFO),and the demodulator serves as a product detector for CW or SSB reception. Finally, the AD607 can be used to demodulate BPSK using an external Costas Loop for carrier recovery. AD607ARSZ Features • Complete Receiver on a Chip: Monoceiver™ Mixer –15 dBm 1 dB Compression Point –8 dBm Input Third Order Intercept 500 MHz RF and LO Bandwidths• Linear IF Amplifier Linear-in-dB Gain Control MGC or AGC with RSSI Output• Quadrature Demodulator On-Board Phase-Locked Quadrature Oscillator Demodulates IFs from 400 kHz to 12 MHz Can Also Demodulate AM, CW, SSB• Low Power 25 mW at 3 V CMOS Compatible Power-Down• Interfaces to AD7013 and AD7015 Baseband Converters AD607ARSZ Applications • GSM, CDMA, TDMA, and TETRA Receivers• Satellite Terminals• Battery-Powered Communications Receivers


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Manufacturer information


Seiko Instruments Inc. Is a Japanese company which head office is located in 8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba 261-8507, Japan . It’s business lines are: Watches Business Watches, Watch Movements Electronic Components Business Quartz crystals, Micro batteries, etc. Precision Mechatronics Business Inkjet printer heads, Hard disk components, Thermal printers, Compact precision components, Machine tools, FA, Musical instrument accessories, Radiation detection and measurement systems, etc.

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