Type and order Hold-in range Pull-in range (capture range, acquisition range) Lock-in range Loop bandwidth: Defining the speed of the control loop. Transient response: Like overshoot and settling time to a certain accuracy (like 50ppm). Steady-state errors: Like remaining phase or timing err...
锁相环 PLL 第37讲 鬼斧神工 Higher-Order Sigma-Delta Modulators 18:58 锁相环 PLL 第38讲 雷霆万钧 Noise Shaping of Sigma-Delta Modulator 33:50 锁相环 PLL 第39讲 力透纸背 Spectrum Calculation for Sigma-Delta Modulator 21:23 锁相环 PLL 第40讲 万流归宗 Phase Noise and Jitter 31:...
System and method for providing type-II (and higher order) phase-locked loops (PLLs) with a fast signal acquisition mode. A preferred embodiment comprises a loop filter with a proportional loop gain path (proportional loop gain circuit ) and an integral loop gain block (integral loop gain ...
Type-II all-digital phase-locked loop (PLL) System and method for providing type-II (and higher order) phase-locked loops (PLLs) with a fast signal acquisition mode. A preferred embodiment comprises a loop filter with a proportional loop gain path (proportional loop gain circuit) ... RB ...
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7. 2nd-order, Type-1 voltage locked loop The loop above is a type-1 loop because it has 1 pole at zero. Note that a pole at zero corresponds to an ideal integrator. The type of the loop is very important...it affects the stability and steady state error of the closed loop. A ...
1.2 16 MHz to 18 MHz, no 1.3 16.682 MHz to 17.318 MHz 2.1 5 kHz, -90° 2.2 (b) 3 MHz 2.3 (b) 4.6 msec., (d) 460 µsec., (e) 0.1 rad.3.1 3 V/c = 0.48 V/rad 3.2 (a) 3 mA/c = 4.77E-4 A/rad; (b) 667 Ω; (c) +V and -V...
In order for the logic to be able to operate correctly, the sum of the propagation and setup times must be less than the clock period for timing closure. Fortunately, the tools for the physical implementation are able to track the propagation, setup and skew times associated with every path...
滤波器增益，导致环路滤波器输出有限，也就是vco的输入范围有限Type1 pll需要DA来进行控 制电压的粗调，环路滤波器进行细调Type2 pll具有积分器的环路滤波器可以任意设定直流输 出，从而自动调谐整个频率范围Type2 pll会产生尖峰（peaking）在闭环时，并且增加稳定时 间。原因在于peaking 值和稳定时间与开环零点和...
in this paper, we propose a new dual loop digital signal processing type phase locked loop (Dual loop DSP-PLL) using digital signal processing type frequency locked loop (DSP-FLL) which we propose and the first order TAN type DSP-PLL (TAN-DSP-PLL). It is confirmed by the simulation resu...