原理图 设置网络标号 在原理图中进行差分对设置,保证差分对的网络名称前缀一致,便于理解识别,例如: USB_N USB_P 设置差分对 放置差分对标识符 place>>directives>>differential pair 快捷键:P-V-F PCB 点击Panel-PCB 在PCB选项卡中,选择differential pair editor,添加差分对 设置差分对网... 查看原文 Allegro...
一般来说:20mil过孔可以过1A培电流;0.5mm过孔可以过1A培电流;电源部分一般使用灌铜处理(铺铜-此时设置Track Width:5mil Gold Size:4mil)。 设置差分线:设计(D)->类(C)->Differential Pair Classes->All Differential Pair ->右击,添加类(USB是90Ω,HDMI是100Ω,大部分是100Ω差分阻抗)->点击右下角panels-...
Differential Pair Swapping Tab TheDifferential Pair Swappingtab The swapping of differential pairs is governed by the value of thepair groupfor a differential pair. Use this tab of the dialog to view and organize the pair groups for your component. ...
the analog input signal frequency for different source impedances in single-ended mode, while Figure 20 shows the THD vs. the analog input signal frequency for different source impedances in differential mode. –50 FSAMPLE = 1.5MSPS –55 VDD = 3V RANGE = 0V TO VREF RSOURCE = 300Ω –...
Differential Pair Classes Design Channel Classes Polygon Classes Structure Classes xSignal Classes Click on this root folder to access a summary listing - in the main editing region of the dialog - of all specific classes that have been defined, across all object class types. ...
Figure 29. Pseudo Differential Mode Connection Diagram ANALOG INPUT SELECTION As shown in Table 10, users can set up their analog input configuration by setting the values in the MODE0 and MODE1 bits in the control register. Assuming the configuration has been chosen, there are two different ...
differential pair directives have also been attached.Simply locate the offending net label objects(use the Compile dialog to cross probe to the relevant area of the source schematic document)and amend the names asrrors required. The positive and negative wires in a pairing should have associated ...
A1, A2 Type 1 I Mnemonic RX2A_N, RX2A_P Description Receive Channel 2 Differential Input A. Alternatively, each pin can be used as a single-ended input or combined to make a differential pair. Tie unused pins to ground. No Connect. Do not connect to these pins. Analog Ground. Tie ...
active, providing bias to the Q10–Q11 differential pair. The point at which Q10–Q11 differential pair becomes active is approximately equal to (VPOS –1 V). 1,000 V T = 16V = 25ꢁC S A 800 600 400 200 0 –200 –400 –600 –800 –1,000 0 2 4 6 8...
Otherwise, the two inputs have different settling times, resulting in errors. CIRCUIT INFORMATION The AD4680/AD4681 are high speed, dual simultaneous sampling, fully differential 16-bit, SAR ADCs. The AD4680/AD4681 operate from a 3.0 V to 3.6 V power supply and feature throughput ra...