Overview
The AD607ARS from Analog Devices Inc. is a 3 V low power receiver IF subsystem designed for operation at input frequencies up to 500 MHz and intermediate frequencies (IFs) ranging from 400 kHz to 12 MHz. This component integrates multiple functions, including a mixer, linear IF amplifier, and quadrature demodulators, making it a comprehensive receiver-on-a-chip solution. It is particularly suited for various wireless communication systems due to its high dynamic range and low power consumption.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2.92 | - | 5.5 | V |
| Supply Current (Midgain, IF = 10.7 MHz) | - | 8.5 | - | mA |
| Maximum RF and LO Frequency Range | - | - | 500 | MHz |
| Input 1 dB Compression Point (RF Input Terminated in 50 Ω) | -15 | - | - | dBm |
| Input Third-Order Intercept (RF Input Terminated in 50 Ω) | -8 | - | - | dBm |
| Noise Figure (Matched Input, Max Gain, f = 83 MHz, IF = 10.7 MHz) | - | - | 14 | dB |
| Operating Temperature Range | -25 | - | 85 | °C |
Key Features
- Complete Receiver-on-a-Chip: Includes a mixer, linear IF amplifier, and quadrature demodulators.
- Low Power Consumption: Operates at 25 mW at 3 V.
- Linear-in-dB Gain Control: Provides a voltage-controlled gain range of more than 90 dB.
- Quadrature Demodulator: With on-board phase-locked quadrature oscillator.
- Support for Various Modulations: Can demodulate IFs from 400 kHz to 12 MHz, AM, CW, SSB, and BPSK using an external Costas Loop.
- CMOS Compatible Power-Down Interfaces: Interfaces with Analog Devices’ AD7013 and AD7015 baseband converters.
Applications
The AD607ARS is widely used in various wireless communication systems, including:
- GSM (Global System for Mobile Communications)
- CDMA (Code Division Multiple Access)
- TDMA (Time Division Multiple Access)
- IS54, TETRA, MSAT, and other similar standards.
Q & A
- What is the maximum RF and LO frequency range for the AD607ARS?
The maximum RF and LO frequency range for the AD607ARS is 500 MHz. - What is the typical supply current of the AD607ARS at midgain?
The typical supply current is 8.5 mA at midgain with an IF of 10.7 MHz. - What is the input 1 dB compression point for the AD607ARS?
The input 1 dB compression point is –15 dBm with the RF input terminated in 50 Ω. - Can the AD607ARS demodulate AM, CW, and SSB signals?
Yes, the AD607ARS can demodulate AM, CW, and SSB signals when the quadrature VCO is phase-locked to the received signal or an external beat-frequency oscillator. - What is the operating temperature range of the AD607ARS?
The operating temperature range is from –25°C to +85°C for 2.92 V to 5.5 V operation and from –40°C to +85°C for 4.5 V to 5.5 V operation. - Does the AD607ARS support BPSK demodulation?
Yes, the AD607ARS can demodulate BPSK using an external Costas Loop for carrier recovery. - What type of power-down interfaces does the AD607ARS have?
The AD607ARS has CMOS compatible power-down interfaces. - Can the AD607ARS interface with other Analog Devices baseband converters?
Yes, it can interface with Analog Devices’ AD7013 and AD7015 baseband converters. - What is the noise figure of the AD607ARS at maximum gain?
The noise figure is up to 14 dB at maximum gain, with a matched input at f = 83 MHz and IF = 10.7 MHz. - What is the typical turn-on response time to PLL locked for the AD607ARS?
The typical turn-on response time to PLL locked is 16.5 µs.
