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参数资料
| 型号： | HMC1021LP4E |
| 厂商： | HITTITE MICROWAVE CORP |
| 元件分类： | 检测器 |
| 英文描述： | 0 MHz - 3900 MHz RF/MICROWAVE LINEAR DETECTOR, 10 dBm INPUT POWER-MAX |
| 封装： | 4 X 4 MM, ROHS COMPLIANT, PLASTIC, SMT, 24 PIN |
| 文件页数： | 15/24页 |
| 文件大小： | 2172K |
| 代理商： | HMC1021LP4E |
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For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
HMC1021LP4E
v02.0511
RMS POWER DETECTOR &
ENVELOPE TRACKER, DC - 3.9 GHz
DC Offset Compensation Loop
Internal DC offsets, which are input signal dependant, require continuous cancellation. Offset cancellation is a critical
function needed for maintenance of measurement accuracy and sensitivity. the Dc offset cancellation loop performs
this function, and its response is largely defined by the capacitance (COFS) connected between COFSA, COFS pins.
COFS capacitor sets the loop bandwidth of the DC offset compensations. Higher COFS values are required for
measuring lower RF frequencies. The optimal loop bandwidth setting will allow internal offsets to be cancelled at a
minimally acceptable speed.
Dc offset cancellation Loop ≈
Bandwidth , Hz
For example: loop bandwidth for Dc cancellation with coFs = 1nF, bandwidth is ~62 kHz
Standby Mode
the eNX pin can be used to force the power detector into a low-power standby mode. As eNX is deactivated, power
is restored to all of the circuits. there is no memory of previous conditions. coming out of stand by mode, internal
integration and COFS capacitors will require recharging, so if large SCI values have been chosen, the wake-up time
will be lengthened.
Modulation Performance – Crest factor performance
the HMc1021LP4e is able to detect the average power of rF signals with complex modulation schemes with
exceptional accuracy. the proprietary rMs detection core is optimized to accurately detect the rMs power of the
modulated rF signals with very high crest factors. this crest factor immune detection architecture of HMc1021LP4e
results in detection accuracy of better than 0.2 dB over the entire operating frequency and temperature range,
compared with the cw response under actual wcDMA4tM test signals shown below:
Reading Error for WCDMA 4 Carrier wrt
CW Response @ +25 °C
Reading Error for WCDMA 4 Carrier wrt
CW Response @ 2200 MHz
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-70
-60
-50
-40
-30
-20
-10
0
10
100MHz
900MHz
1900MHz
2200MHz
2700MHz
3500MHz
3900MHz
INPUT POWER (dBm)
ERROR
(dB)
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-70
-60
-50
-40
-30
-20
-10
0
10
+25C
+85C
-40C
INPUT POWER (dBm)
ERROR
(dB)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| HMC1021LP4ETR | 制造商:Hittite Microwave Corp 功能描述:HMC1021 Series DC - 3.9 GHz Single-Ended RMS Power Detector - 4x4 mm QFN-24 |
| HMC1021S | 制造商:Honeywell SSEC 功能描述:Magnetoresistive Sensor 1-Axis 4(mV/V/Gs) 8-Pin SOIC 制造商:Honeywell ssec 功能描述:Magnetoresistive Sensor 1-Axis 4(mV/V/Gs) 8-Pin SOIC Bulk 制造商:Honeywell Microelectronics And Precision Sensors 功能描述:MAGNETIC SENSOR; Magnetic Field Min:-6G; Magnetic Field Max:6G; Leaded Process Compatible:No; Output Type:Differential; Resolution:85G; Sensitivity Range:1mV/V/G; Sensor Output:Voltage; Sensor Terminals:SMD ;RoHS Compliant: Yes |
| HMC1021S | 制造商:Honeywell Sensing and Control 功能描述:MAGNETIC SENSOR |
| HMC1021S-TR | 功能描述:SENSOR LINEAR MAGN 1 AXIS 8-SOIC RoHS:是 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR |
| HMC1021Z | 功能描述:SENSOR LINEAR MAGN 1 AXIS 8-SIP RoHS:否 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR |
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