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Analog Devices Semiconductor Electronic Components Datasheet

AD6190 Datasheet

900 MHz RF Transceiver

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AD6190 pdf
a
FEATURES
Complete 900 MHz RF Transceiver
LNA
Receive Mixer
Transmit Mixer
Driver Amplifier
VCO
Prescaler
Limiter Amplifier with RSSI
On-Chip Low Dropout Regulator
Independent Sleep Modes for TX, RX
28-Lead SSOP Package
APPLICATIONS
902 MHz–928 MHz ISM Band Cordless Telephones
902 MHz–928 MHz ISM Band Wireless Data Systems
GENERAL DESCRIPTION
The AD6190 900 MHz RF Transceiver provides a complete
RF/IF section for systems operating in the 902 MHz–928 MHz
license-free ISM band. The high level of integration allows several
dozen discrete components to be replaced. It is ideally suited
for use in cordless telephone and wireless data applications.
900 MHz RF Transceiver
AD6190
The receiver section includes a Low Noise Amplifier (LNA).
The LNA’s output drives an image-reject mixer; the mixer’s
output optimized for 10.7 MHz is filtered and processed by the
limiting IF amplifier.
The transmit section accepts a modulated 10.7 MHz IF input,
and uses an image-reject upconverter to mix the signal up to the
902 MHz–928 MHz RF carrier frequency while suppressing the
unwanted image and LO components. The RF output is raised
to a nominal 0.5 milliwatt (–3 dBm) output level. This output
can be used directly or can drive an external power amplifier to
higher levels.
The on-chip VCO operates at 2× the local oscillator frequency.
This reduces oscillator pulling due to strong interferers in-band
or transmitter leakage. An on-chip 64/65 prescaler allows the
VCO to be controlled by a low cost 15 MHz CMOS synthesizer.
An on-chip low dropout regulator minimizes VCO pushing. The
transmit section, receive section, or both, can be placed in a low
current SLEEP mode when not in use. The AD6190 900 MHz
RF transceiver is packaged in a 28-lead SSOP package.
The AD6190 900 MHz RF Transceiver is part of the Analog
Devices/Zilog “A-to-Z Phone” Spread-Spectrum System for
cordless telephone and data communications applications. Con-
tact Zilog directly at (408) 370-8000 for more information on
the Z87000 series baseband controller chips.
ANT
FILTER
T/R
S/W
PA
FUNCTIONAL BLOCK DIAGRAM
10.7
10.7
VREG
0
90
AD6190
VCO POWER
MANAGEMENT
/2
IQ
AND
CONTROL
64/65
VOLTAGE
REGULATOR
0
90
RSSI
LIMOUT
TXON
RXON
VCOON
Z87L00
SPREAD-
SPECTRUM
CONTROLLER
VBATT
VREG
10.7
15MHz SYNTHESIZER
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1998


Analog Devices Semiconductor Electronic Components Datasheet

AD6190 Datasheet

900 MHz RF Transceiver

No Preview Available !

AD6190 pdf
AD6190–SPECIFICATIONS (@ TA = +25؇C, VCC = +3.3 V, FIF = 10.7 MHz, FRF = 902 MHz–928 MHz, TX IF Input
level 137 mV p-p, unless otherwise noted)
Parameter
RECEIVE RF SECTION
(LNA to Mixer Output)
Power Gain
Noise Figure
1 dB Compression (Input)
Input IP3
Image Rejection
TRANSMIT UPCONVERTER
Image Rejection
LO Feedthrough
DRIVER AMPLIFIER
Nominal Output Power
1 dB Compression
VCO
Operating Frequency
PRESCALER
Division Ratio
PREMOD = “1”
PREMOD = “0”
Output Level
IF LIMITER AMPLIFIER
First Stage Gain
Second Stage Gain
AC Output Level
DC Level
IF Port Impedance
RSSI OUTPUT
Slope
Output Voltage
Linear Range
RSSI Log Conformance Error
SUPPLY CURRENT
Transmit Mode
Receive Mode
Sleep Mode
SUPPLY VOLTAGE
Other Supplies
VCO REGULATOR
TEMPERATURE RANGE
Specifications subject to change without notice.
Conditions
Source Z = 50 , IF Load Z = 330
FRF = 915 MHz, FLO = 904.3 MHz
FIF = 10.7 MHz, FLO = 904.3 MHz
FIF = 10.7 MHz, FLO = 904.3 MHz
For IF Input Level = 137 mV p-p
(LO Frequency ×2)
RL = 2.2 k, CL < 10 pF
RL > 30 k, CL < 30 pF
FIF = 10.7 MHz
With 10 in Series with VCCIF
@ –100 dBm RF Input
@ –30 dBm RF Input
(With Respect to RF Input Level)
(VCC = 3.3 V)
TXON, VCOON = 1; RXON = 0
RXON, VCOON = 1; TXON = 0
TXON, VCOON, RXON = 0
VBATT
VCCTX, VCCIF, VCCLNA
Output Voltage, 3.0 < VBATT < 4.6 V
Min
28
35
0
1783
0.55
3.0
3.0
2.65
–20
Typ
24
4.2
–30
–17
33
48
–33
–3
+4.5
64
65
1.0
24
70
450
1.76
330
22
0.90
2.40
70
±2
93
59
270
3.3
Max
1835
4.6
3.6
2.85
+85
Units
dB
dB
dBm
dBm
dBc
dBc
dBm
dBm
dBm
MHz
V p-p
dB
dB
mV p-p
V
mV/dB
V
V
dB
dB
mA
mA
µA
V
V
V
°C
–2– REV. 0


Part Number AD6190
Description 900 MHz RF Transceiver
Maker Analog Devices
Total Page 8 Pages
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