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Número de pieza IDTF0480NBGI
Descripción Matched Broadband RF VGA
Fabricantes Integrated Device Technology　
Logotipo Integrated Device Technology Logotipo



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Matched Broadband RF VGA
GENERAL DESCRIPTION
This document describes the specifications for the
IDTF0480 400 MHz to 2700 MHz RF Digital Variable
Gain Amplifier used in receiver, transmitter and other
applications.
IDTF0480 RF DVGA provides 13 dB typical maximum
gain (no attenuation) with 4 dB noise figure and 23 dB
gain adjustment in 1 dB steps designed to operate with
a single 5 V supply. Nominally, the device offers
+41 dBm output IP3 using 100 mA of ICC.
This device is packaged in a 5x5 32-pin thin QFN with
50 ohm single-ended RF input and RF output
impedances for ease of integration into the signal-path
lineup.
COMPETITIVE ADVANTAGE
In many applications, digital step attenuators followed by
RF amplifiers are used in the Receive path. The
IDTF0480 RF DVGA provides very high reliability by
combining a silicon Glitch-FreeTM DSA & a Zero-
DistortionTM RF amplifier in a single, compact QFN
package. Utilizing IDT’s technology, the resultant RF
VGA provides +41 dBm OIP3 performance across a very
wide bandwidth of 400 MHz to 2700 MHz at
approximately 100 mA of current. Furthermore the
device is internally matched so there is no need to
optimize external matching elements.
APPLICATIONS
• Multi-mode, Multi-carrier Receivers
• PCS1900 Base Stations
• DCS1800 Base Stations
• WiMAX and LTE Base Stations
• UMTS/WCDMA 3G Base Stations
• PHS/PAS Base Stations
• Point to Point Infrastructure
• Public Safety Infrastructure
• Broadband Repeaters
• GPS Receivers
• Distributed Antenna Systems
• Cable Infrastructure
• Digital Radio
IDTF0480NBGI
Datasheet
400MHz to 2700MHz
FEATURES
• 400 MHz – 2700 MHz
• < 1 dB overshoot between gain transitions
• 13 dB typical max gain
• 23 dB gain range, 1 dB gain step resolution
• Excellent linearity +41 dBm OIP3
• Noise Figure 4 dB
• ICC = 100 mA
• 1.3 mA standby current
• SPI interface
• 50 Ω input and output impedance
• Broadband, Internally Matched
• Gain increases vs. frequency to counteract
system board losses
• 5x5 32-pin TQFN package
DEVICE BLOCK DIAGRAM
Zero-DistortionTTMM
Glitch-FreeTTMM
ORDERING INFORMATION
Omit IDT
prefix
0.75 mm height Tape &
package
Reel
IDTF0480NBGI8
RF product Line
Green
Glitch-FreeTM, Zero-DistortionTM, RF VGA
1
Rev 2, November 2014

1 page




IDTF0480NBGI pdf
IDTF0480NBGI
Datasheet
Matched Broadband RF VGA
400MHz to 2700MHz
IDTF0480 SPECIFICATION - LOWBAND PERFORMANCE
See F0480 Typical Application Circuit. Specifications apply when operated as an RF DVGA, VCC = +5.00 V,
TC = +25 °C, FRF = 900 MHz, Band_Select = LB setting, Max gain setting, output power = 0 dBm,
ZRFI = ZRFO = 50 Ω, the evaluation board and connector losses are de-embedded, unless otherwise noted.
Parameter
RF input return loss
RF output return loss
Gain
Step Error
Absolute Error
Phase deviation
Noise Figure
Output Third Order
Intercept Point
Output 1 dB Power
Compression
Output 0.2 dB Power
Compression
Output Saturated Power
Reverse Isolation
Symbol
RLIN_LB
RLOut_LB
GMAX_LB
GMIN_LB
GTEMP_LB
GVAR_LB
GACC_LB
GABSACC_LB
GPH_ADJ_LB
NFLB
NFLB_MG
NFLB_RG
OIP3_LB-1
OIP3_LB-2
OIP3_LB-3
OIP3_LB-6dB
OP1dB_LB
Conditions
Maximum attenuation
Variation over Temperature
Max gain variation over
frequency5
Between adjacent states
Relative to maximum gain
Between adjacent states at
maximum gain
Tcase = +105 °C
22 dB attenuation
Pout = 0 dBm/Tone,
1 MHz tone separation
Pout = -10 dBm/Tone,
1 MHz tone separation
Pout = 0 dBm/Tone,
1 MHz tone separation, Worst
case in the operating
temperature range
Pout = 0 dBm/Tone,
1 MHz tone separation with
6 dB attenuation
OP0.2dB_LB
PSAT_LB
REVISO_LB
3 dB compression
Min
11.5
-11.2
39
20.6
Typ
15
20
12.6
-10.2
± 0.3
0.1
± 0.1
± 0.2
1
3.9
4.8
25.9
41.5
40.5
41
41
22.2
20
22.3
18
Max
13.4
-9.4
Units
dB
dB
dB
dB
dB
Deg
dB
dBm
dBm
dBm
dBm
dB
Note 5: Including frequency and ripple variations valid within each individual 3GPP band.
Glitch-FreeTM, Zero-DistortionTM, RF VGA
5
Rev 2, November 2014

5 Page





IDTF0480NBGI arduino
IDTF0480NBGI
Datasheet
Matched Broadband RF VGA
TYPICAL OPERATING CONDITIONS [IP3, COMPRESSION] (-1-)
400MHz to 2700MHz
Output IP3 [0 dBm/Tone, 1M Tone Spacing, 0dB ATTN]
52
Low-Band
48 Configuration
44
40
36
32
28
24
20
16
0.7 0.9 1.1
Mid-Band Configuration
-40C / 5.25V / 0dBm / 1MHz / 0dB
-40C / 5.00V / 0dBm / 1MHz / 0dB
-40C / 4.75V / 0dBm / 1MHz / 0dB
35C / 5.25V / 0dBm / 1MHz / 0dB
35C / 5.00V / 0dBm / 1MHz / 0dB
35C / 4.75V / 0dBm / 1MHz / 0dB
105C / 5.25V / 0dBm / 1MHz / 0dB
105C / 5.00V / 0dBm / 1MHz / 0dB
105C / 4.75V / 0dBm / 1MHz / 0dB
1.3 1.5 1.7 1.9 2.1
RF Frequency (GHz)
High-Band
Configuration
2.3 2.5 2.7
Output IP3 [0 dBm/Tone, 1M Tone Spacing, 11dB ATTN]
52
Low-Band
48 Configuration
44
Mid-Band Configuration
High-Band
Configuration
40
36 -40C / 5.25V / 0dBm / 1MHz / 11dB
-40C / 5.00V / 0dBm / 1MHz / 11dB
32 -40C / 4.75V / 0dBm / 1MHz / 11dB
35C / 5.25V / 0dBm / 1MHz / 11dB
28 35C / 5.00V / 0dBm / 1MHz / 11dB
35C / 4.75V / 0dBm / 1MHz / 11dB
24 105C / 5.25V / 0dBm / 1MHz / 11dB
105C / 5.00V / 0dBm / 1MHz / 11dB
20 105C / 4.75V / 0dBm / 1MHz / 11dB
16
0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7
RF Frequency (GHz)
Gain Compression [900 MHz]
0.8
0.4
-40degC / 5.25V
35degC / 5.25V
105degC / 5.25V
-40degC / 5.00V
35degC / 5.00V
105degC / 5.00V
-40degC / 4.75V
35degC / 4.75V
105degC / 4.75V
0.0
-0.4
-0.8
-1.2
-1.6
-2.0
-2.4
-2.8
14 15 16 17 18 19 20 21 22 23 24
Output Power (dBm)
Output IP3 [0 dBm/Tone, 10M Tone Spacing, 0 dB ATTN]
52
Low-Band
48 Configuration
44
Mid-Band Configuration
High-Band
Configuration
40
36 -40C / 5.25V / 0dBm / 10MHz / 0dB
-40C / 5.00V / 0dBm / 10MHz / 0dB
32 -40C / 4.75V / 0dBm / 10MHz / 0dB
35C / 5.25V / 0dBm / 10MHz / 0dB
28 35C / 5.00V / 0dBm / 10MHz / 0dB
35C / 4.75V / 0dBm / 10MHz / 0dB
24 105C / 5.25V / 0dBm / 10MHz / 0dB
105C / 5.00V / 0dBm / 10MHz / 0dB
20 105C / 4.75V / 0dBm / 10MHz / 0dB
16
0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7
RF Frequency (GHz)
Output IP3 [-7 dBm/Tone, 1M Tone Spacing, 0dB ATTN]
52
Low-Band
48 Configuration
44
Mid-Band Configuration
40
36 -40C / 5.25V / -7dBm / 1MHz / 0dB
-40C / 5.00V / -7dBm / 1MHz / 0dB
32 -40C / 4.75V / -7dBm / 1MHz / 0dB
35C / 5.25V / -7dBm / 1MHz / 0dB
28 35C / 5.00V / -7dBm / 1MHz / 0dB
35C / 4.75V / -7dBm / 1MHz / 0dB
24 105C / 5.25V / -7dBm / 1MHz / 0dB
105C / 5.00V / -7dBm / 1MHz / 0dB
20 105C / 4.75V / -7dBm / 1MHz / 0dB
16
0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1
RF Frequency (GHz)
Phase Compression [900 MHz]
High-Band
Configuration
2.3 2.5 2.7
12
8
4
-40degC / 5.25V
35degC / 5.25V
105degC / 5.25V
-40degC / 5.00V
35degC / 5.00V
105degC / 5.00V
-40degC / 4.75V
35degC / 4.75V
105degC / 4.75V
0
-4
-8
-12
-16
-20
-24
-28
-32
-36
-40
14 15 16 17 18 19 20 21 22 23 24
Output Power (dBm)
Glitch-FreeTM, Zero-DistortionTM, RF VGA
11
Rev 2, November 2014

11 Page







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