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PDF HMC612LP4E Data sheet ( Hoja de datos )
| Número de pieza | HMC612LP4E | |
| Descripción | 75 dB LOGARITHMIC DETECTOR / CONTROLLER | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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HMC612LP4 / 612LP4E
v01.0108
75 dB LOGARITHMIC
DETECTOR / CONTROLLER, 50 Hz - 3000 MHz
7
7 - 60
Typical Applications
Features
The HMC612LP4(E) is ideal for IF and RF applica-
tions in:
• Cellular/PCS/3G
• WiMAX, WiBro, WLAN, Fixed Wireless & Radar
• Power Monitoring & Control Circuitry
• Receiver Signal Strength Indication (RSSI)
• Automatic Gain & Power Control
Functional Diagram
Wide Input Bandwidth: 50 Hz to 3 GHz
Wide Dynamic Range: Up to 74 dB
High Accuracy: ±1 dB with 60 dB Range Up to 0.9 GHz
Supply Voltage: +2.7V to +5.5V
Excellent Stability over Temperature
Power-Down Mode
Compact 4x4mm Leadless SMT Package
General Description
The HMC612LP4(E) Logarithmic Detector/Controller is
ideal for converting input signals with frequencies in the
50 Hz to 3 GHz range, to a proportional DC voltage at
its output. The HMC612LP4(E) employs a successive
compression technology which delivers extremely high
dynamic range and conversion accuracy over a wide
input frequency range. As the input signal is increased,
successive amplifiers move into saturation one by one
creating an accurate approximation of the logarithm
function. The output of a series of square law detectors
is summed, converted into voltage domain and buff-
ered to drive the LOGOUT output. For detection mode,
the LOGOUT pin is shorted to the VSET input and will
provide a nominal logarithmic slope of 19 mV/dB and an
intercept of -99 dBm. The HMC612LP4(E) can also be
used in the controller mode where an external voltage
is applied to the VSET pin, to create an AGC or APC
feedback loop.
Electrical Specifications, TA = +25C[1]
Parameter
Typ. Typ. Typ. Typ. Typ. Typ.
Input Frequency
0.00005 0.0001 0.001 0.01 0.1
1
±3 dB Dynamic Range
75 75 75 75 74 74
±3 dB Dynamic Range Center
-30
±3 dB Dynamic Range Center -45 -44.5 -45.5 -45 -45
±1 dB Dynamic Range
68 67 68 67 65 68
Output Slope
19.7 19.7 19.6 19.6 19.8 19.7
Output Intercept
-94.5
Output Intercept
-110 -110.2 -110.6 -110.6 -110.0
Temperature
Sensitivity @ -43 dBV Input [2]
-9.9
-11.9 -11.3 -11.3 -11.3
Temperature
Sensitivity @ -30 dBm Input [2]
-12.5
[1] Detector mode measurements; LOGOUT (Pin 17) is shorted to VSET (Pin 18).
[2] Measured from TA = -45C to TA = +85C, Vdd1, Vdd2 = 5V
Typ.
10
74
-30
66
19.8
-93.9
-12.2
Typ.
100
74
-30
66
19.8
-93.8
-11.7
Typ.
900
72
-31
64
19.4
-94.8
-11.2
Typ.
1900
64
-33
55
19.4
-92.5
-11.7
Typ.
2500
60
-34
52
19.8
-91.3
-12.1
Typ.
3000
55
-34
45
20.8
-86.4
Units
MHz
dB
dBm
dBV
dB
mV/dB
dBm
dBV
mdBV/°C
-13.4 mdBm/°C
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1 page  
HMC612LP4 / 612LP4E
v01.0108
75 dB LOGARITHMIC
DETECTOR / CONTROLLER, 50 Hz - 3000 MHz
LOGOUT Voltage & Error
vs. Input Power, Fin = 1900 MHz
2.6
2.2
ERR +25C
ERR +85C
ERR -45C
1.8
3
2
1
1.4 0
1 -1
Ideal
0.6 LOGOUT +25C -2
LOGOUT +85C
LOGOUT -45C
0.2 -3
-70 -60 -50 -40 -30 -20 -10 0 10
INPUT POWER (dBm)
LOGOUT Voltage & Error
vs. Input Power, Fin = 3000 MHz
2.6
ERR +25C
2.2 ERR +85C
ERR -45C
1.8
3
2
1
1.4 0
1 -1
0.6
Ideal
-2
LOGOUT +25C
LOGOUT +85C
LOGOUT -45C
0.2 -3
-70 -60 -50 -40 -30 -20 -10 0 10
INPUT POWER (dBm)
LOGOUT Slope
vs. Supply Voltage, TA= +25C
25
24
1MHz
1900MHz
10MHz
2500Hz
100MHz
3000MHz
23 900MHz
22
21
20
19
2.5 3 3.5 4 4.5 5 5.5
Vcc (Volts)
LOGOUT Voltage & Error
vs. Input Power, Fin = 2500 MHz
2.6
ERR +25C
2.2 ERR +85C
ERR -45C
1.8
3
2
1
1.4 0
1 -1
0.6
Ideal
-2
LOGOUT +25C
LOGOUT +85C
LOGOUT -45C
0.2 -3
-70 -60 -50 -40 -30 -20 -10 0 10
INPUT POWER (dBm)
LOGOUT Slope vs. Frequency, Vcc= 3.3V
24
23 +25C
+85C
-45C
22
21
20
19
18
0
500 1000 1500 2000 2500 3000
FREQUENCY (MHz)
LOGOUT Intercept
vs. Frequency, Vcc= 3.3V
-70
-75
+25C
-80 +85C
-45C
-85
-90
-95
-100
0
500 1000 1500 2000 2500 3000
FREQUENCY (MHz)
7
Vdd1 = Vdd2 = 5V
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7 - 63
5 Page 
HMC612LP4 / 612LP4E
v01.0108
75 dB LOGARITHMIC
DETECTOR / CONTROLLER, 50 Hz - 3000 MHz
Application & Evaluation PCB Schematic
7
Notes
Note 1: The HMC612LP4 & HMC612LP4E evaluation boards are pre-assembled for single-ended input, and detector/RSSI mode.
Note 2: For detector mode, connect high impedance volt meter to the LOGOUT port. VSET is shorted to LOGOUT by R3, as
required for detector mode.
Note 3: For low frequency operation remove R6.
Note 4: Faster rise/fall time remove C6, C7 and C5
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7 - 69
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet HMC612LP4E.PDF ] | |
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