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PDF ATR0797 Data sheet ( Hoja de datos )
| Número de pieza | ATR0797 | |
| Descripción | 65-300 MHZ SIGE IF RECEIVER DEMODULATOR | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• Gain Control in 20-dB Steps
• Very Low I/Q Amplitude and Phase Errors
• High Input P1dB
• Small and Optimized Package for High Reliability and Performance
Applications
• Infrastructure Digital Communication Systems
• GSM/Cellular Transceivers
• ISM Band Transceivers
Benefits
• Fully Integrated Device with Reduced External Component Count
Electrostatic sensitive device.
Observe precautions for handling.
65 - 300 MHz
SiGe IF
Receiver/
Demodulator
ATR0797
Description
The ATR0797 is a multi-purpose demodulator RFIC. The silicon monolithic integrated
circuit is designed with Atmel’s advanced SiGe technology. This demodulator is capa-
ble of both quadrature demodulation or direct IF output. Features include switchable
gain control on a frequency range from 65 MHz to 300 MHz. The device performs a
very low amplitude as well as phase error and allows high input P1dB. The ATR0797
targets a variety of system applications for communications including 3G wireless.
Figure 1. Block Diagram
GC1
5
GC2
4
IFP 8
IFN 9
2
BBIP
1 BBIN
ϕ
13 12
16 BBQP
15 BBQN
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ATR0797
Electrical Characteristics (Continued)
Test conditions: VCC = 5 V, Tamb = 25°C, LO input: 0 dBm at 200 MHz
IF input: at 200.1 MHz, GC1 = 0, GC2 = 0; 0 dBm
IF input: at 200.1 MHz, GC1 = 1, GC2 = 0; -20 dBm
IF input: at 200.1 MHz, GC1 = 1, GC2 = 1; -40 dBm
No. Parameters
Test Conditions
Pin Symbol Min. Typ. Max. Unit Type(1)
1.10 Gain
2-1,
16-15
G
-7 -4 -2 dB A
1.11 Input P1dB
Gain set = low;
GC1 = GC2 = 0
1, 2, P1dB 12 14
15, 16
dBm
C
1.12 DSB Noise figure
2-1,
16-15
NF
31 dB D
2 I/Q Output
2.1
I/Q output frequency
range
1, 2,
15, 16
fI/Q
DC
500 MHz
D
2.2
I/Q output amplitude
error
2-1,
16-15
-0.2
+0.2 dB
A
2.3 I/Q phase error
2-1,
16-15
-2
+2 deg
A
2.4
I/Q output common
mode voltage
1, 2,
15, 16
2.5 V A
2.5
I/Q output differential
offset voltage
2-1,
16-15
Voffset
-100
+100
mV
A
2.6
I/Q output return loss
50 Ω nominal
differential output(3)
1, 2,
15, 16
RLI/Q
20 dB D
3 LO input
3.1 LO input level
3.2 Return loss
3.3 LO frequency range
4 Miscellaneous
13-12
13-12
13-12
PLO
RLLO
RLLO
-3
0
+3 dBm
D
20 dB D
65
300 MHz
D
4.1 Supply voltage
3, 7,
10, 14
VCC
4.75 5 5.25 V
A
4.2 Supply current
3, 7,
10, 14
ICC
195 mA A
4.3
GC1, GC2 logic level
low
4.4
GC1, GC2 logic level
high
4.5
GC1, GC2 input
impedance
4, 5 VIL
0
4, 5
VIH
0.7 ×
VCC
4, 5 Z
40
0.3 ×
VCC
VCC
V
V
kΩ
D
D
D
Notes:
1. Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
2. The parasitic inductance of the package, the board, and L5, L6 must be matched out at the center frequency with a series
capacitor to achieve 20 dB of port match.
3. The parasitic inductance of the package must be matched out to reach 20 dB port match above 100 MHz.
4665D–SIGE–08/04
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Literature Requests
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Disclaimer: Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company’s standard
warranty which is detailed in Atmel’s Terms and Conditions located on the Company’s web site. The Company assumes no responsibility for any
errors which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, and
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© Atmel Corporation 2004. All rights reserved.
Atmel® and combinations thereof are the registered trademarks of Atmel Corporation or its subsidiaries. Johnson Components™ is a trademark
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Printed on recycled paper.
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