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參數(shù)資料
| 型號(hào)： | ADRF6704ACPZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 調(diào)制器/解調(diào)器 |
| 英文描述： | 2500 MHz - 2900 MHz RF/MICROWAVE I/Q MODULATOR |
| 封裝： | 6 X 6 MM, ROHS COMPLIANT, MO-220VJJD-2, LFCSP_VQ, CP-40-1, 40 PIN |
| 文件頁數(shù)： | 9/18頁 |
| 文件大?。?/td> | 581K |
| 代理商： | ADRF6704ACPZ |
Preliminary Technical Data
ADRF6704
REGISTER 7 EXTERNAL VCO ENABLE
With R6[2:0] set to 111, the External VCO Control register is
programmed as shown in figure 9.
The External VCO Enable bit allows the use of an external VCO
in the PLL instead of the internal VCO. This can be
advantageous in cases where the internal VCO is not capable of
providing the desired frequency or where the internal VCO’s
phase noise is higher than desired. By setting this bit (DB22) to
1, and setting Register 6, bits DB15-DB10 to 0, the internal
VCO is disabled, and the output of an external VCO can be fed
into the part differentially on pins 38,37 (LOP,LON). Since the
loop filter is already external, the output of the loop filter simply
needs to be connected to the external VCO’s tuning voltage pin.
XVCO External VCO Enable
0
Internal VCO (default)
1
External
V
CO
External
VCO
Enable
DB23
DB22
DB21
DB20
DB19
DB18
DB17
DB16
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
0
XVCO
0
XVCO External VCO Enable
0
Internal VCO (default)
1
External
V
CO
External
VCO
Enable
DB23
DB22
DB21
DB20
DB19
DB18
DB17
DB16
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
XVCO
0
C3(1)
C2(1)
C1(1)
Control Bits
Figure 12. VCO Control and Enable (R7)
Rev. PrE | Page 17 of 18
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| ADRF6704ACPZ-R7 | 功能描述:IC MOD QUAD FRAC N PLL 40LFCSP RoHS:是 類別:RF/IF 和 RFID >> RF 調(diào)制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:調(diào)制器 LO 頻率:700MHz ~ 2.3GHz RF 頻率:700MHz ~ 2.3GHz P1dB:1dBm 底噪:-148dBm/Hz 輸出功率:-1dBm 電流 - 電源:46mA 電源電壓:2.7 V ~ 3.6 V 測試頻率:1.75GHz 封裝/外殼:28-WFQFN 裸露焊盤 包裝:帶卷 (TR) |
| ADRF6704-EVALZ | 制造商:Analog Devices 功能描述:EVAL QUAD MODULATOR ADRF6704 制造商:Analog Devices 功能描述:ADRF6704, QUAD MODULATOR, EVAL BOARD |
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| ADRF6720-27-EVALZ | 功能描述:EVAL BOARD FOR ADRF6720-27 制造商:analog devices inc. 系列:- 零件狀態(tài):有效 類型:調(diào)制器 頻率:400MHz ~ 3GHz 配套使用產(chǎn)品/相關(guān)產(chǎn)品:ADRF6720-27 所含物品:板 標(biāo)準(zhǔn)包裝:1 |
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