参数资料
| 型号： | OP183GSZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 7/16页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP GP 5MHZ LN 50MA 8SOIC |
| 产品变化通告： | Product Discontinuance 27/Oct/2011 |
| 标准包装： | 2,500 |
| 放大器类型： | 通用 |
| 电路数： | 1 |
| 转换速率： | 15 V/µs |
| 增益带宽积： | 5MHz |
| 电流 - 输入偏压： | 300nA |
| 电压 - 输入偏移： | 10µV |
| 电流 - 电源： | 1.2mA |
| 电流 - 输出 / 通道： | 50mA |
| 电压 - 电源，单路/双路(±)： | 3 V ~ 36 V，±1.5 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
OP183
Rev. D | Page 15 of 16
LOW VOLTAGE FREQUENCY SYNTHESIZER FOR
WIRELESS TRANSCEIVER
The low noise and low voltage operation capability of the
OP183 serves well for the loop filter of a frequency synthesizer.
Figure 39 shows a typical application in a radio transceiver. The
phase noise performance of the synthesizer depends on low
noise contribution from each component in the loop as the
noise is amplified by the frequency division factor of the
prescaler.
The resistors used in the low-pass filter should be of low to
moderate values to reduce noise contribution due to the input
bias current as well as the resistors themselves. The filter cutoff
frequency should be chosen to optimize the loop constant.
3V
OP183
PHASE
DETECTOR
REFERENCE
OSCILLATOR
CRYSTAL
÷
PRESCALER
RF
OUT
VCONTROL
VCO
900MHz
00292-039
Figure 39. Low Voltage Frequency Synthesizer for a Wireless Transceiver
7
6
4
1
3
5
2
BA
QB3
QB1
QB2
RB2
RB1
QB4
QB5A
CB1
R10
R3LT
R3AT
R3A
R3B
CC1
R4A
R4B
R11
R4LT
R4AT
QB12
QB13
Q1
Q2
Z1
R1
R2
JB1
QB9
QB10
QB6
RB3
RB4
RB5
RB6
QB7
Q7
Q8
QB8
Q5
QD1
Q6
Q3
Q4
CF1
R5
CC3
QB11
QD2
R9
Q12
CC2
R8
QD3
CO
R7
Q11
Q10
QB14
00292-040
Figure 40. OP183 Simplified Schematic
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| OP183GSZ-REEL7 | 制造商:Analog Devices 功能描述:OP Amp Single GP ±18V/36V 8-Pin SOIC N T/R |
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