參數(shù)資料
型號(hào)： HMC714LP5E
廠商： HITTITE MICROWAVE CORP
元件分類： 檢測(cè)器
英文描述： 100 MHz - 5800 MHz RF/MICROWAVE LINEAR DETECTOR, 15 dBm INPUT POWER-MAX
封裝： 5 X 5 MM, ROHS COMPLIANT, PLASTIC, SMT, 32 PIN
文件頁(yè)數(shù)： 29/40頁(yè)
文件大?。?/td> 1985K
代理商： HMC714LP5E
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
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12 - 160
Example: The logarithmic slope can be simply increased by choosing appropriate RFBK and RSHUNT values while
not populating the RSET resistor on the evaluation board to keep the intercept at nominal value. Setting RFBK =
820Ω and RSHUNT = 2200Ω results in an optimized slope of:
Example: The logarithmic intercept can also be adjusted by choosing appropriate RFBK, RSHUNT, and RSET values
while keeping the logarithmic slope at about 50mV/dB. Setting RFBK = 820 Ohm and RSHUNT = RSET = 4700Ω
results in an optimized slope of:
Optimized Slope = * log_slope = 1.42 * 36.5 mV / dB
Optimized Slope = 52 mV / dB
Optimized Slope = * log_slope = 1.4 * 36.5 mV / dB
Optimized Slope = 51 mV / dB
Optimized Intercept = log_intercept -
Optimized Intercept = log_intercept - 0.174 * V
ZC
R
FBK
* V
ZC
R
SET
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
-70
-60
-50
-40
-30
-20
-10
0
10
High Slope
Nominal
INPUT POWER (dBm)
RMSOUT
(V)
Slope=51mV/dB
Rset=open
Rfbk=820ohm
Rshunt=2200ohm
Slope=36.2mV/dB
Rset=open
Rfbk=0ohm
Rshunt=open
Slope Adjustment
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
-60
-50
-40
-30
-20
-10
0
10
Vzc=0
Vzc=0.8
Vzc=1.6
Vzc=3.2
Vzc=-0.8
Vzc=-1.6
Vzc=-3.2
INPUT POWER (dBm)
RMS
(V)
Rset=4700ohm
Rfbk=820ohm
Rshunt=4700ohm
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
-60
-50
-40
-30
-20
-10
0
10
+25C
+85C
-40C
INPUT POWER (dBm)
VOUT
(V)
VSET=1.6V
VSET=0V
VSET=-1.6V
Intercept Adjustment
Intercept Adjustment (with Temp)
LOG-Slope and Intercept (Continued)
HMC714LP5 / 714LP5E
v07.1109
DUAL RMS POWER DETECTOR
0.1 - 5.8 GHz
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