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Gain Amplifier. IDTF1200 Datasheet

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Gain Amplifier. IDTF1200 Datasheet






IDTF1200 Amplifier. Datasheet pdf. Equivalent




IDTF1200 Amplifier. Datasheet pdf. Equivalent





Part

IDTF1200

Description

Intermediate Frequency Digital Variable Gain Amplifier



Feature


DATASHEET Intermediate Frequency Digital Variable Gain Amplifier IDTF1200 GENE RAL DESCRIPTION The IDTF1200 is a Digit ally Controlled Intermediate Frequency Differential Variable Gain Amplifier fo r BaseStation and other commercial appl ications with a low IF frequency. The d evice offers extremely low Noise Figure over the entire gain control range. Th e device is packag.
Manufacture

Integrated Device Technology

Datasheet
Download IDTF1200 Datasheet


Integrated Device Technology IDTF1200

IDTF1200; ed in compact 5x5 Thin QFNs with 200 ohm differential input and output impedanc es for ease of integration into the rec eiver lineup. Versions covering IF freq uencies up to 300 MHz with low distorti on are available. FEATURES              Ideal for high SNR systems 22 dB typ Maximum Gain 23 dB gain control ran ge 7 bit parallel control 0.25 dB Gain Steps E.


Integrated Device Technology IDTF1200

xcellent Noise Figure < 3.0 dB 5mm x 5mm 28 pin package 200 Ω Differential Inp ut 200 Ω Differential Output NF degrad es < 2dB @ 12dB reduced gain 50 MHz – 160 MHz frequency range Ultra-Linear: IP3O +48 dBm typical External current s etting resistor Fast Gain Step Settling < 20 nsec COMPETITIVE ADVANTAGE The F 1200 acts to enhance system SNR when VG A gain is reduced. The.


Integrated Device Technology IDTF1200

F1200 noise figure (NF) degrades only s lightly (NF slope ~ -0.16 dB/dB) over a 13 dB control range while holding the Output IP3 approximately constant. The resultant improvement in noise can enha nce the system SNR up to 2 decibels at low gain settings relative to a standar d VGA. The device has excellent DNL and INL simplifying digital compensation. The device also of.

Part

IDTF1200

Description

Intermediate Frequency Digital Variable Gain Amplifier



Feature


DATASHEET Intermediate Frequency Digital Variable Gain Amplifier IDTF1200 GENE RAL DESCRIPTION The IDTF1200 is a Digit ally Controlled Intermediate Frequency Differential Variable Gain Amplifier fo r BaseStation and other commercial appl ications with a low IF frequency. The d evice offers extremely low Noise Figure over the entire gain control range. Th e device is packag.
Manufacture

Integrated Device Technology

Datasheet
Download IDTF1200 Datasheet




 IDTF1200
DATASHEET
Intermediate Frequency Digital Variable Gain Amplifier
IDTF1200
GENERAL DESCRIPTION
The IDTF1200 is a Digitally Controlled Intermediate
Frequency Differential Variable Gain Amplifier for
BaseStation and other commercial applications with a
low IF frequency. The device offers extremely low
Noise Figure over the entire gain control range. The
device is packaged in compact 5x5 Thin QFNs with 200
ohm differential input and output impedances for ease
of integration into the receiver lineup. Versions
covering IF frequencies up to 300 MHz with low
distortion are available.
COMPETITIVE ADVANTAGE
The F1200 acts to enhance system SNR when VGA gain
is reduced. The F1200 noise figure (NF) degrades only
slightly (NF slope ~ -0.16 dB/dB) over a 13 dB control
range while holding the Output IP3 approximately
constant. The resultant improvement in noise can
enhance the system SNR up to 2 decibels at low gain
settings relative to a standard VGA.
The device has excellent DNL and INL simplifying digital
compensation. The device also offers the extremely low
Harmonic, IM2, and IM3 distortion necessary to drive an
ADC directly in an IF sub-sampling application.
FEATURES
Ideal for high SNR systems
22 dB typ Maximum Gain
23 dB gain control range
7 bit parallel control
0.25 dB Gain Steps
Excellent Noise Figure < 3.0 dB
5mm x 5mm 28 pin package
200 Ω Differential Input
200 Ω Differential Output
NF degrades < 2dB @ 12dB reduced gain
50 MHz – 160 MHz frequency range
Ultra-Linear: IP3O +48 dBm typical
External current setting resistor
Fast Gain Step Settling < 20 nsec
DEVICE BLOCK DIAGRAM
`
ATTN
Out
AMP
In
APPLICATIONS
BaseStation Diversity Receivers
Digital Pre-Distortion
Wave Point-to-Point Radios
Public Safety Receivers
ATTN
In
Gain 7
Control
Decode
Logic
AMP
out
Bias
Control
VCC
PART# MATRIX
Part#
F1200
Gain
Range
22 to -1
IP3O
48
IF freq
range
50 - 160
NF
2.6
F1206* 20 to -11
47
150 - 250
3.6
F1207* 20 to -11
46
230 - 300
3.7
*Future Product
VCC VMODE
ISET STBY
`
ORDERING INFORMATION
Omit IDT
prefix
0.75 mm height Tape &
package
Reel
IDTF1200NBGI8
RF product Line
Green
Industrial
Temp range
RevO
Page 1 of 13
April, 2011
http://www.Datasheet4U.com




 IDTF1200
DATASHEET
Intermediate Frequency Digital Variable Gain Amplifier
IDTF1200
ABSOLUTE MAXIMUM RATINGS
VCC to GND
All other Pins to GND
ISET to GND
RF Input Power (ATTN_IN+, ATTN_IN-) @GMAX
Continuous Power Dissipation
θJA (Junction – Ambient)
θJC (Junction – Case) The Case is defined as the exposed paddle
Operating Temperature Range (Case Temperature)
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (soldering, 10s) .
-0.3V to +5.5V
-0.3V to (VCC +0.25V)
-0.3V to +2.2V
+10 dBm
1.5W
+41°C/W
+4°C/W
TC = -40°C to +85°C
150°C
-65°C to +150°C
+260°C
KEY FEATURE – NOISE FIGURE SLOPE
Standard Variable Gain amplifiers exhibit a [NF/Gain] slope of -1 dB/dB. Practically speaking, as gain is
reduced, Noise Figure degrades dB for dB. The F1200 utilizes new technology that flattens the Noise Figure
response (~ -0.16 dB/dB) for most of the gain control range while keeping distortion (Output IP3) constant.
The result is that NF is improved up to 16 dB vs. a standard VGA at low gain settings. The graph below
illustrates this by showing the IDTF1200 NF and IP3O vs. Gain setting contours.
50
45 Output IP3
40
35
30
25
20
15
10
5 Noise Figure
0
-2 0 2 4 6 8 10 12 14 16 18 20 22
Gain (dB)
RevO
Page 2 of 13
April, 2011




 IDTF1200
DATASHEET
Intermediate Frequency Digital Variable Gain Amplifier
IDTF1200
IDTF1200 SPECIFICATION
VCC = +5.0V, fRF = 100MHz, TC= +25°C, STBY = GND, R6 = 2.87K +/-1%, POUT = +3 dBm, unless otherwise noted in the condition column.
EVkit trace, transformer & matching losses are de-embedded for specification purposes (note: de-embedded losses = 0.4dB input and
0.4dB output at 100MHz).
Parameter
Condition
Symbol min
typ max units
Operating Temp.
Range
Logic Input High
Logic Input Low
Logic Current
Operating voltage
range
Case Temperature Measured
at the exposed paddle
Analog & Digital Supplies
TC
VIH
VIL
IIH, IIL
VCC
-40 to +85
2.01
0.8
-1 +1
4.75 to 5.25
C
V
V
μA
V
Supply Current
Total, All VCC; R6= 2.87K +/-1%
ISUPP
103
110
117 mA
Standby Current
Total, All VCC
All digital inputs at 2.0VDC
VCC=5.25VDC
ISTBY
2.5 mA
Frequency Range
Input Resistance
Output Resistance
Maximum Gain
Minimum Gain
Gain Step
Output IP3 > +40 dBm
Differential
Differential
GC = [0000000]
GC = [1011101]
fRF
RIN
ROUT
GMAX
GMIN
LSB
20.7
-2.8
50 to 160
200
200
21.7
-1.7
0.25
MHz
Ω
Ω
22.6 dB
-0.7 dB
dB
Phase Slope
Differential Gain Error
ΔΦ due to change in gain
Between adjacent 1dB steps
ΦSLOPE
DNL
0.3 deg/dB
.05 dB
Integral Gain Error
Error vs. straight line
INL
+/-0.20
dB
Noise Figure
At Maximum Gain
NF
2.6 dB
Noise Figure
Output IP3
GC = [0110100] (gain = 9dB)
Set code = 0000000, (GMAX)
Pout = +3 dBm per tone
800 KHz Tone Separation
NFBACK
IP3O1
4.55
48
dB
dBm
Output IP3 –
at Gback
Settling Time
2nd Harmonic
# Control Bits
Set code = 0110100,, (Gain = 9dB)
Pout = +3 dBm per tone
800 KHz Tone Separation
Gain Step from 22 to 21 dB setting
Settles to within 0.1 dB of final
value
FRF = 100 MHz
Set code = 0000000, (GMAX)
Pout = +3 dBm
Parallel
IP3O2
T1dB
H2
CB
44 dBm
152 nsec
-82 dBc
7#
1 dB Compression
Set code = 0000000, (GMAX)
Single Tone Test
P1dBO
+16.7
+19.4
dBm
1 –Items in bold italics are Guaranteed by Test
2 – See Graph on Page 8
RevO
Page 3 of 13
April, 2011



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