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PDF CLC5506IMX Data sheet ( Hoja de datos )

Número de pieza CLC5506IMX
Descripción Gain Trim Amplifier (GTA)
Fabricantes National Semiconductor 
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September 1999
CLC5506
Gain Trim Amplifier (GTA)
General Description
The CLC5506 is a low-noise amplifier with programmable
gain for use in cellular base stations, WLL, radar and RF/IF
subsystems where gain-control is required to increase the
dynamic range. The CLC5506 allows designers to compen-
sate for manufacturing component tolerances and tempera-
ture variations in receiver front ends. Maximum amplifier
gain is set at 26dB . A three-line MICROWIRE serial inter-
face allows 16dB of attenuation from the max gain setting in
precise 0.25dB steps.
The CLC5506 uses a differential input and output, allowing
large output swings on a single 5V rail. The differential output
is well suited for impedance matching networks driving SAW
filters or directly driving differential input analog to digital
converters (ADC). The differential output also makes it pos-
sible to drive transformers allowing designers the ability to
match a wide variety of transmission lines. The output ampli-
fier has excellent output drive with low distortion.
Digital control of the CLC5506 is accomplished using MI-
CROWIRE Interface. Data Out and a Load Enable are incor-
porated so that more than one CLC5506/channel may be
programmed per system.
The CLC5506 maintains a 600MHz performance bandwidth
over its entire gain and attenuation range from +10dB to
+26dB. Gain control is divided into 64 equal steps of 0.25dB
and is dB-linear. Output drive and distortion performance are
excellent; In a 50system, the third-order output intercept
point is +22dBm at nominal gain of 18dB at 25˚C. The
CLC5506 operates over the industrial temperature range of
−40˚C to +85˚C.
Features
n 600MHz bandwidth
n 26dB maximum gain @ 150MHz
n 16dB gain control range
n Attenuation step size: 0.25dB
n 4.8dB noise figure @ 26dB
n +22dBm output IP3 @ 18dB gain
n Digital dB Lineargain control
n Supply voltage: 5V
n Supply current: 75mA
n Supply shutdown: 35µA
n Package: SOIC-14
n Typical at 25˚C
Applications
n Cellular base-stations
n Base station repeater
n Wireless Local Loop
n Radar
n Receivers
n IF amplifiers
n Digital IF receiver
n Software radio
n Satellite communications
Frequency Response vs. Gain Setting
MICROWIRE
© 1999 National Semiconductor Corporation DS101050
DS101050-1
www.national.com

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CLC5506IMX pdf
Electrical Characteristics (Continued)
These conditions apply unless otherwise specified: T J = 25˚C, VCCA = VCCD = +5V: Gain = 25.75dB, RLdiff = 100, Pin =
−30dBm (Note 6),(Note 7).
Symbol
Parameter
Conditions
Typ
(Note 3)
Limit
(Note 4)
Units
Input/Output Characteristics:
output resistance
Differential
5K
output capacitance
Differential
0.5 pF
Logic I/O
clock speed
Maximum
1 MHz
data to clock setup
time, TCS
data to clock hold
time, TCH
clock pulse width high,
TCWH
clock pulse width low,
TCWL
clock to load enable
setup time, TES
high level input
voltage
Minimum
Minimum
Minimum
Minimum
Minimum
50
10
50
50
50
0.7 VCCD
nsec
nsec
nsec
nsec
nsec
V
low level input voltage
High level input
current
low level input current
high level output
voltage
low level output
voltage
Isource = 0.5mA
Isink = 0.5mA
0.3 VCCD
±1.0
±1.0
VCCD −0.8
0.4
V
µA
µA
V
V
DC Characteristics:
Supply current
75 95 mA
Supply current in
power down mode
35 100 µA
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is in-
tended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics.
Note 2: Human body model, 1.5kin series with 100pF. Machine model, 200in series with 100pF.
Note 3: Typical values represent the most likely parametric norm.
Note 4: All limits are guaranteed by testing or statistical analysis, unless otherwise noted.
Note 5: AC test performed at 400MHz unless otherwise noted.
Note 6: Refer to test circuit schematic, loss of transformers is excluded from the measurement.
Note 7: Refer to test circuit schematic to see the definition of RLdiff.
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CLC5506IMX arduino
CLC5506 Test Circuit Schematic
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