Frequency multiplier ADAR2001 series

frequency multiplier
frequency multiplier
frequency multiplier
frequency multiplier
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Description

4× input frequency multiplier with programmable harmonic filter Quad Differential Output PAs with independent Enable Control Input Frequency Range: 2.5 GHz to 10 GHz Output Frequency Range: 10 GHz to 40 GHz Input power: −20 dBm (50 Ω) Output power: 5 dBm differential (100 Ω) Harmonic rejection: −20 dBc to −40 dBc at all frequencies 3-Wire or 4-Wire SPI Control of all functions On-Chip Programmable State Machines for fast multiplier/filter and transmitter switching and control On-chip temperature sensor, output power detectors, and ADC DC power: 450 mW (2.5 V supply) 6 mm × 6 mm, 40-terminal LGA package The ADAR2001 is a transmitter IC optimized for millimeter wave body scanning applications. Accepting a single-ended continuous wave (CW) input signal between 2.5 GHz and 10 GHz, the ADAR2001 provides gain, 4× frequency multiplication, harmonic filtering, 1:4 signal splitting, and four independently controllable power amplifiers (PAs) with differential outputs designed to directly drive dipole antennas with differential inputs. All device functions and configuration options can be accessed by a 3-wire or 4-wire Analog Devices, Inc., serial peripheral interface (SPI). Two state machines are also integrated into the ADAR2001, which facilitate easy configuration, control, and fast switching of the frequency multiplier, filter, and transmitter sections. These sequencers are programmed through the SPI and are then operated by pulsed inputs (reset and advance). The output power and chip temperature can be monitored by four on-chip detectors and a temperature sensor whose outputs are multiplexed to an 8-bit ADC.

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