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AD607
Low Power Mixer/AGC/RSSI 3V Receiver IF Subsystem
REV.C
Low Power Mixer
3 V Receiver IF Subsystem
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
Manual Gain Control
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
APPLICATIONS
GSM, CDMA, TDMA, and TETRA Receivers
Satellite Terminals
Battery-Powered Communications Receivers
PIN CONFIGURATION
20-Lead SSOP
(RS Suffix)
GENERAL DESCRIPTIONThe AD607 is a 3 V low power receiver IF subsystem for opera-
tion 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, and a
biasing system with external power-down.
The AD607’s low noise, high intercept mixer is a doubly
balanced 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.
In MGC operation, the AD607 accepts an external gain-control
voltage input from an external AGC detector or a DAC.
The I and Q demodulators provide in-phase and quadrature
baseband outputs to interface with Analog Devices’ AD7013
(IS54, TETRA, MSAT) and AD7015 (GSM) baseband con-
verters. 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.
Monoceiver is a registered trademark of Analog Devices, Inc.
AD607–SPECIFICATIONS
(@ TA = 25�C, Supply = 3.0 V, IF = 10.7 MHz, unless otherwise noted.)
ORDERING GUIDE
ABSOLUTE MAXIMUM RATINGS1SupplyVoltage VPS1, VPS2 to COM1, COM2 . . . . . . .5.5V
InternalPowerDissipation2 . . . . . . . . . . . . . . . . . . . .600 mW
2.92V to 5.5VOperatingTemperatureRange
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –25°Cto+85°C
4.5V to 5.5V Operating Temperature Range
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40°C to +85°C
Storage Temperature Range . . . . . . . . . . . .–65°C to +150°C
Lead Temperature Range (Soldering60sec) . . . . . . . . .300°C
NOTES
1Stresses above those listed under Absolute Maximum Rating may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2Thermal Characteristics: 20-lead SSOP Package: θJA = 126°C/W.
CAUTIONESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
accumulate on the human body and test equipment and can discharge without detection. Although the
AD607 features proprietary ESD protection circuitry, permanent damage may occur on devices
subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended
to avoid performance degradation or loss of functionality.
AD607
PIN FUNCTION DESCRIPTIONS
PIN CONNECTION
20-Lead SSOP (RS-20)
Figure 1.Mixer/Amplifier Test Set
Figure 2.Mixer Noise Figure Test Set
AD607Figure 3.IF Amp Noise Figure Test Set
Figure 4.PLL/Demodulator Test Set
Figure 5.GAIN Pin Bias Test Set
Figure 6.Demodulator Bias Test Set
AD607Figure 8.Power-Up Test Set
Figure 9.IF Output Impedance Test Set
Figure 10.PLL Settling Time Test Set
Figure 11.Quadrature Accuracy Test Set
AD607Figure 12.Characterization Board
TPC 1.Mixer Noise Figure vs. Frequency
TPC 2.Mixer Input Impedance vs. Frequency,
VPOS = 3 V, V GAIN = 0.8 V
TPC 3.Mixer Conversion Gain vs. Frequency,
T = 25°C, VPOS = 2.92 V, VREF = 1.35 V, IF = 10.7 MHz
TPC 4.Mixer Conversion Gain vs. IF, T = 25°C,
VPOS = 3 V, VREF = 1.5 V
TPC 5.Mixer Conversion Gain and IF Amplifier Gain vs.
Temperature, VPOS = 3 V, VGAIN = 0.3 V, VREF = 1.5 V, IF =
10.7 MHz, RF = 250 MHz
TPC 6.Mixer Conversion Gain and IF Amplifier Gain vs.
Supply Voltage, T = 25°C, VGAIN = 0.3 V, VREF = 1.5 V, IF =
10.7 MHz, RF = 250 MHz
AD607 TPC 7.IF Amplifier Gain vs. Frequency,
T = 25°C, VPOS = 3 V, VREF = 1.5 V
TPC 8.Gain Error vs. Gain Control Voltage,
Representative Part
TPC 9.PLL Acquisition Time
TPC 10.PLL Phase Noise L (F) vs. Frequency,
VPOS = 3 V, C3 = 0.1 µF, IF = 10.7 MHz
TPC 11.PLL Loop Voltage at FLTR (KVCO) vs. Frequency
TPC 12.Demodulator Quadrature Angle, Histogram,
T = 25°C, VPOS = 3 V, IF = 10.7 MHz
