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MAX2202EWTT10 Datasheet(PDF) 5 Page - Maxim Integrated Products

No. de Pieza. MAX2202EWTT10
Descripción  RMS Power Detector
Descarga  8 Pages
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Fabricante  MAXIM [Maxim Integrated Products]
Página de inicio  http://www.maxim-ic.com
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MAX2202EWTT10 Datasheet(HTML) 5 Page - Maxim Integrated Products

   
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Detailed Description
The MAX2202 RMS power detector is designed to
operate from 800MHz to 2.0GHz. The device is ideal for
LTE, WCDMA, cdma2000, and high-speed downlink/
uplink packet access. The device accepts an RF signal
at the input and outputs the same voltage regardless of
the peak-average of the input signal. The output volt-
age and input power is linear in dB. The device has a
-29dBm to 0dBm detection range, and every dB
change in input power gives 33mV (typ) change in out-
put voltage. Table 1 shows the peak to average of the
signals used to test the device.
RMS Power Detector
_______________________________________________________________________________________
5
Bump Description
BUMP
NAME
FUNCTION
A1
RFIN/ENA
RF Input and Enable Logic Input. See the Typical Operating Circuit. Drive ENA high to turn on the
device. Drive ENA low to place it in shutdown mode.
A2, B1
GND
Ground. Connect to PCB ground plane.
B2
FILT
Intermediate Filtering Node. Bypass FILT with a capacitor as close as possible to the device.
C1
VCC
Power Supply. Connect to either a regulated supply or battery. Bypass VCC with a capacitor as close
as possible to the device.
C2
OUT
Detector Output. Connect an external lowpass RC filter for filtering.
PAR AT DIFFERENT PROBABILITY OF COMPLEMENTARY CUMULATIVE
DISTRIBUTION (dB)
MODULATION
10%
1%
0.1%
0.01%
DPCCH + 1DPDCH
4.8
5.8
6.2
6.5
DPCCH + 5DPDCH
6.5
8.4
9.2
9.8
IS95 Reverse
5.5
6.9
7.6
8.1
IS95 Forward Pilot
5.6
7.6
8.8
9.5
9-Channel Forward
7
10.3
12
12.7
cdma2000 Pilot + DCCH
6.8
8.3
9.2
9.7
Table 1. Peak-to-Average Ratio (PAR*) of Test Signals
*
PAR of CW is 3dB.
VCC
A
12
+
RFIN/ENA
GND
OUT
FILT
GND
TOP VIEW
(BUMPS ON BOTTOM)
B
C
MAX2202
Bump Configuration


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