- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄16564 > EVAL-ADF411XEBZ1 (Analog Devices Inc)BOARD EVAL FOR ADF411X NO CHIP PDF資料下載
參數(shù)資料
| 型號(hào)： | EVAL-ADF411XEBZ1 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 4/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR ADF411X NO CHIP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 計(jì)時(shí)，頻率合成器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | ADF4001，ADF4106，ADF4107，ADF4110，ADF4111，ADF4112，ADF4113，ADF4116，ADF4117，ADF4118，ADF4153 |
| 主要屬性： | 單路分?jǐn)?shù)-N 或整數(shù)-N PLL |
| 次要屬性： | 板不包括環(huán)路濾波器、合成器和 VCO |
| 已供物品： | 部分安裝的板，線纜，軟件 |
| 相關(guān)產(chǎn)品： | ADF4112BCPZ-ND - IC PLL FREQ SYNTH 3GHZ 20-LFCSP ADF4112BCPZ-RL-ND - IC PLL FREQ SYNTH 3GHZ 20-LFCSP ADF4111BRUZ-RL7-ND - IC PLL FREQ SYNTHESIZER 16-TSSOP ADF4111BRUZ-RL-ND - IC PLL FREQ SYNTHESIZER 16-TSSOP ADF4112BCPZ-RL7-ND - IC PLL FREQ SYNTH 3GHZ 20-LFCSP ADF4111BRUZ-ND - IC PLL FREQ SYNTHESIZER 16-TSSOP ADF4113BCPZ-ND - IC PLL FREQ SYNTHESIZER 20-LFCSP ADF4113BCPZ-RL7-ND - IC PLL FREQ SYNTHESIZER 20-LFCSP ADF4113BCPZ-RL-ND - IC PLL FREQ SYNTHESIZER 20-LFCSP ADF4110BRUZ-RL7-ND - IC PLL FREQ SYNTHESIZER 16-TSSOP 更多... |
第1頁第2頁第3頁當(dāng)前第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁
ADF4110/ADF4111/ADF4112/ADF4113
Data Sheet
Rev. F | Page 12 of 28
CIRCUIT DESCRIPTION
REFERENCE INPUT SECTION
The reference input stage is shown in Figure 28. SW1 and SW2
are normally closed switches. SW3 is normally open. When
power-down is initiated, SW3 is closed and SW1 and SW2 are
opened. This ensures that there is no loading of the REFIN pin
on power-down.
BUFFER
TO R COUNTER
REFIN
100k
NC
SW2
SW3
NO
NC
SW1
POWER-DOWN
CONTROL
03496-0-028
Figure 28. Reference Input Stage
RF INPUT STAGE
The RF input stage is shown in Figure 29. It is followed by a
two-stage limiting amplifier to generate the current mode logic
(CML) clock levels needed for the prescaler.
AVDD
AGND
500
500
1.6V
BIAS
GENERATOR
RFINA
RFINB
03496-0-029
Figure 29. RF Input Stage
PRESCALER (P/P + 1)
Along with the A and B counters, the dual-modulus prescaler
(P/P + 1) enables the large division ratio, N, to be realized (N =
BP + A). The dual-modulus prescaler, operating at CML levels,
takes the clock from the RF input stage and divides it down to a
manageable frequency for the CMOS A and B counters. The
prescaler is programmable; it can be set in software to 8/9,
16/17, 32/33, or 64/65. It is based on a synchronous 4/5 core.
A AND B COUNTERS
The A and B CMOS counters combine with the dual-modulus
prescaler to allow a wide ranging division ratio in the PLL
feedback counter. The counters are specified to work when the
prescaler output is 200 MHz or less. Thus, with an RF input
frequency of 2.5 GHz, a prescaler value of 16/17 is valid but a
value of 8/9 is not.
Pulse Swallow Function
The A and B counters, in conjunction with the dual-modulus
prescaler, make it possible to generate output frequencies that
are spaced only by the reference frequency divided by R. The
equation for the VCO frequency is
fVCO
= [(P × B) + A]fREFIN/R
where:
fVCO
= output frequency of external voltage controlled oscillator
(VCO)
P
= preset modulus of dual-modulus prescaler
B
= preset divide ratio of binary 13-bit counter(3 to 8191)
A
= preset divide ratio of binary 6-bit swallow counter (0 to 63)
fREFIN
= output frequency of the external reference frequency
oscillator
R
= preset divide ratio of binary 14-bit programmable reference
counter (1 to 16383)
R COUNTER
The 14-bit R counter allows the input reference frequency to be
divided down to produce the reference clock to the phase
frequency detector (PFD). Division ratios from 1 to 16,383 are
allowed.
13-BIT B
COUNTER
6-BIT A
COUNTER
PRESCALER
P/P + 1
FROM RF
INPUT STAGE
MODULUS
CONTROL
N = BP + A
LOAD
TO PFD
03496-0-030
Figure 30. A and B Counters
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| H3DDS-4036M | IDC CABLE - HKR40S/AE40M/HKR40S |
| M1TXK-2436J | IDC CABLE - MSD24K/MC24G/X |
| A3BBH-4006M | IDC CABLE - ASR40H/AE40M/ASR40H |
| A3BBH-3418G | IDC CABLE - ASR34H/AE34G/ASR34H |
| H3AKH-4018G | IDC CABLE - HSC40H/AE40G/HPK40H |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-ADF411XEBZ11 | 制造商:AD 制造商全稱:Analog Devices 功能描述:RF PLL Frequency Synthesizers |
| EVAL-ADF4150EB1Z | 制造商:Analog Devices 功能描述:EVAL BOARD PLL SYNTH/VCO ADF4150 制造商:Analog Devices 功能描述:ADF4150, PLL SYNTHESIZER, EVAL BOARD 制造商:Analog Devices 功能描述:ADF4150, PLL SYNTHESIZER, EVAL BOARD; Silicon Manufacturer:Analog Devices; Kit Application Type:Clock & Timing; Application Sub Type:VCO; Features:Fractional-N Synthesizer and Integer-N Synthesizer, 3-wire Serial Interface; SVHC:No ;RoHS Compliant: Yes |
| EVAL-ADF4150HVEB1Z | 功能描述:EVAL BOARD FOR ADF4150HV RoHS:是 類別:RF/IF 和 RFID >> RF 評(píng)估和開發(fā)套件，板 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:GPS 接收器 頻率:1575MHz 適用于相關(guān)產(chǎn)品:- 已供物品:模塊 其它名稱:SER3796 |
| EVAL-ADF4151EB1Z | 制造商:Analog Devices 功能描述:EVAL PLL FREQ SYNTH ADF4151 制造商:Analog Devices 功能描述:ADF4151, PLL SYNTHESIZER, EVAL BOARD; Silicon Manufacturer:Analog Devices; Kit Application Type:Clock & Timing; Application Sub Type:PLL Frequency Synthesizer; Kit Contents:Software CD, EVAL-ADF4151EB1Z Board; Features:Fractional-N ;RoHS Compliant: Yes |
| EVAL-ADF4153EB1 | 制造商:Analog Devices 功能描述:Evaluation Board For ADF4153 制造商:Analog Devices 功能描述:IC EVALUATION ((NS)) |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。