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| 型号： | PE43702MLI-Z |
| 厂商： | Peregrine Semiconductor |
| 文件页数： | 5/11页 |
| 文件大小： | 0K |
| 描述： | IC RF DSA 7BIT 50 OHM 24-QFN |
| 标准包装： | 1 |
| 系列： | UltraCMOS™, HaRP™ |
| 衰减值： | 31.75dB |
| 容差： | ±0.3dB |
| 频率范围： | 9kHz ~ 4GHz |
| 阻抗： | 50 欧姆 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 其它名称： | 1046-1047-6 |
PE43702
Product Specification
Table 5. Control Voltage
Table 9. Serial Attenuation Word Truth Table
State
Bias Condition
Attenuation Word
Attenuation
Low
High
0 to +1.0 Vdc at 2 μ A (typ)
+2.6 to +5 Vdc at 10 μ A (typ)
D7
L
L
D6
L
L
D5
L
L
D4
L
L
D3
L
L
D2
L
L
D1
L
L
D0
(LSB)
L
H
Setting
RF1-RF2
Reference I.L.
0.25 dB
Table 6. Latch and Clock Specifications
L
L
L
L
L
L
H
L
0.5 dB
Latch Enable
0
↑
Shift Clock
↑
X
Function
Shift Register Clocked
Contents of shift register
transferred to attenuator core
L
L
L
L
L
L
L
L
L
L
L
H
L
L
H
L
L
H
L
L
H
L
L
L
L
L
L
L
L
L
L
L
1 dB
2 dB
4 dB
8 dB
L
H
L
L
L
L
L
L
16 dB
Table 7. Parallel Truth Table
L
H
H
H
H
H
H
H
31.75 dB
Parallel Control Setting
Attenuation
Setting
D6
L
L
L
L
L
L
L
H
H
D5
L
L
L
L
L
L
H
L
H
D4
L
L
L
L
L
H
L
L
H
D3
L
L
L
L
H
L
L
L
H
D2
L
L
L
H
L
L
L
L
H
D1
L
L
H
L
L
L
L
L
H
D0
L
H
L
L
L
L
L
L
H
RF1-RF2
Reference I.L.
0.25 dB
0.5 dB
1 dB
2 dB
4 dB
8 dB
16 dB
31.75 dB
Table 8. Serial Register Map
MSB (last in)
LSB (first in)
Q7
D7
Q6
D6
Q5
D5
Q4
D4
Q3
D3
Q2
D2
Q1
D1
Q0
D0
Bit must be set to logic low
Attenuation Word
Attenuation Word is derived directly from the attenuation value. For example, to program the 12.5 dB state:
Attenuation Word: Multiply by 4 and convert to binary → 4 * 12.5 dB → 50 → 00110010
Serial Input: 00110010
Document No. 70-0244-04 │ www.psemi.com
?2008-2009 Peregrine Semiconductor Corp. All rights reserved.
Page 5 of 11
Logo updated under non-rev change. Peregrine products are protected under one or more of the following U.S. Patents: http://patents.psemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PE43703MLI | 制造商:Peregrine Semiconductor 功能描述:ATTENUATOR - DIGITALLY CONTROLLED 制造商:Peregrine Semiconductor 功能描述:Digital Attenuator 31.75dB Attenuation 4GHz/5GHz/6GHz 32-Pin QFN EP Bulk |
| PE43703MLI-Z | 功能描述:IC RF DSA 7BIT 50 OHM 32-QFN RoHS:是 类别:RF/IF 和 RFID >> 衰减器 系列:UltraCMOS™, HaRP™ 标准包装:1 系列:- 衰减值:- 容差:±1% 频率范围:0 ~ 500MHz 功率（瓦特）:2W 阻抗:93 欧姆 封装/外壳:BNC 单排模块 |
| PE43704DS | 制造商:PSEMI 制造商全称:PSEMI 功能描述:UltraCMOS?? RF Digital Step Attenuator, 7-bit, 31.75 dB with Optional VssEXT Bypass Mode 9 kHz - 8 GHz |
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| PE43705A-Z | 功能描述:RF Attenuator 31.75dB 50MHz ~ 8GHz 50 Ohm 32-VFQFN Exposed Pad 制造商:peregrine semiconductor 系列:UltraCMOS?，HaRP?? 零件状态:有效 衰减值:31.75dB 容差:- 频率范围:50MHz ~ 8GHz 功率（W）:- 阻抗:50 欧姆 封装/外壳:32-VFQFN 裸露焊盘 标准包装:1 |
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