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參數(shù)資料
| 型號： | HMC714LP5E |
| 廠商： | HITTITE MICROWAVE CORP |
| 元件分類： | 檢測器 |
| 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 |
| 文件頁數(shù)： | 22/40頁 |
| 文件大小： | 1985K |
| 代理商： | HMC714LP5E |
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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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Single
channel
RMS
detectors
exhibit
part-to-part
variations that tend to complicate simultaneous power
readings. Simultaneous signal power measurements are
particularly useful for automatic gain/level control and VSWR
measurements. When separate power detectors are used, the
lack of an accurate match between the power detectors will
produce measurement errors. Calibration and compensation
methods are required to counteract the differences between
the separate power detectors. The Dual RMS detector package
greatly simplifies that activity, and will reliably produce more
accurate measurements.
The
HMC714LP5E
provides
industry
leading
channel
matching performance with the use of proprietary techniques.
The channel mismatch is typically less than 20 mV over the
specified temperature and frequency range when the single-
ended input interface is used. Hittite “differential” evaluation
kits use M/A Com’s ETC1-1-13 balun, which are designed
to work up to 3 GHz. At frequencies lower than 3 GHz, the
mismatch between the two input baluns cause a larger variation
between the channels when compared to the single-ended
interface (typically ±25 mV up to 900 MHz and ±50 mV up to
2700 MHz). The input impedance mismatch presented by the
balun at signal frequencies beyond 3 GHz will further increase
the channel-to-channel variation. The “single-ended” input
interface does not have this limitation. The “single-ended”
interface can utilize the full input signal bandwidth of the power
detector; however the “single-ended” input interface is tuned.
The differential or balun input interface is best suited to very
wideband power measurements (100 MHz to 3 GHz), whereas
the single-ended input interface is best suited to signal power
measurement over bandwidths up to ±300 MHz (for ±1 dB
error tolerance) in the hole RF frequency range.
-0.16
-0.12
-0.08
-0.04
0
0.04
0.08
0.12
0.16
-50
-40
-30
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-10
0
10
0.1 GHz
0.5 Ghz
0.9 GHz
1.4 GHz
1.9 GHz
INPUT POWER (dBm)
RMSA-RMSB
(V)
Using wideband single-ended input interface
-0.16
-0.12
-0.08
-0.04
0
0.04
0.08
0.12
0.16
-50
-40
-30
-20
-10
0
10
INPUT POWER (dBm)
RMSA-RMSB
(V)
Using balun input interface
-0.16
-0.12
-0.08
-0.04
0
0.04
0.08
0.12
0.16
-50
-40
-30
-20
-10
0
10
3.3 GHz
3.4 GHz
3.5 GHz
3.6 GHz
3.7 GHz
3.8 GHz
3.9 GHz
INPUT POWER (dBm)
RMSA-RMSB
(V)
Using single-ended interface tuned for 3.6 GHz
-0.16
-0.12
-0.08
-0.04
0
0.04
0.08
0.12
0.16
-50
-40
-30
-20
-10
0
10
INPUT POWER (dBm)
RMSA-RMSB
(V)
Using balun input interface
Channel Matching [RMSA-RMSB] in
Wideband Single Ended Configuration
Channel Matching [RMSA-RMSB]
@ 900 MHz
Channel Matching [RMSA-RMSB] in
Single Ended Configuration tuned
@ 3.6 GHz
Channel Matching [RMSA-RMSB]
@ 3.5 GHz
Channel Matching
HMC714LP5 / 714LP5E
v07.1109
DUAL RMS POWER DETECTOR
0.1 - 5.8 GHz
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