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ADL5501 Datasheet(Fiches technique) 14 Page - Analog Devices

Numéro de pièce ADL5501
Description  50 MHz to 4 GHz TruPwr Detector
Télécharger  28 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
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ADL5501
Rev. 0 | Page 14 of 28
3
–3
–2
–1
0
1
2
–25
–20
–15
–10
–5
0
5
10
RFIN (dBm)
CW
TEST MODEL 1 w/ 16 DPCH, 1 CARRIER
TEST MODEL 1 w/ 32 DPCH, 1 CARRIER
TEST MODEL 1 w/ 64 DPCH, 1 CARRIER
TEST MODEL 1 w/ 64 DPCH, 2 CARRIERS
TEST MODEL 1 w/ 64 DPCH, 3 CARRIERS
TEST MODEL 1 w/ 64 DPCH, 4 CARRIERS
Figure 28. Error from CW Linear Reference vs. Input with Various
WCDMA Down Link Waveforms at 2140 MHz, CFLTR = 1 nF, COUT = 100 nF
1
6
2
5
3
4
ADL5501
VPOS
FLTR
RFIN
VRMS
ENBL
COMM
POWER
SUPPLY
RF PULSE
GENERATOR
C1
100pF
C2
0.1µF
CFLTR
OSCILLOSCOPE
FET PROBE
ROUT
COUT
Figure 29. Hardware Configuration for Output Response to RF Input Pulse
40µs/DIV
400mV rms RF INPUT
250mV rms
160mV rms
70mV rms
PULSED
RFIN
Figure 30. Output Response to Various RF Input Pulse Levels, Supply 3 V,
Frequency 900 MHz, CFLTR = Open, COUT = Open, ROUT = Open
3
–3
–2
–1
0
1
2
–25
–20
–15
–10
–5
0
5
10
INPUT (dBm)
CW
SR1, PILOT CHANNEL, 1 CARRIER
SR1, 9 CHANNEL, 1 CARRIER
SR1, 9 CHANNEL, 3 CARRIERS
SR1, 9 CHANNEL, 4 CARRIERS
Figure 31. Error from CW Linear Reference vs. Input with Various
CDMA2000 Fwd Link Waveforms at 2140 MHz, CFLTR = 1 nF, COUT = 100 nF
40µs/DIV
400mV rms RF INPUT
250mV rms
160mV rms
70mV rms
PULSED
RFIN
Figure 32. Output Response to Various RF Input Pulse Levels, Supply 3 V,
Frequency 900 MHz, CFLTR = 1 nF, COUT = Open, ROUT = Open
100µs/DIV
400mV rms RF INPUT
250mV rms
160mV rms
70mV rms
PULSED RFIN
Figure 33. Output Response to Various RF Input Pulse Levels, Supply 3 V,
Frequency 900 MHz, CFLTR = Open, COUT = 0.1 μF, ROUT = 1 kΩ




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