mixers covering the 600MHz to 6GHz frequency range. The LTC5544 is optimized for 4GHz to 6GHz RF applications. The LO frequency must fall within the 4.2GHz to 5.8GHz range for optimum performance. A typical application is a WiMAX receiver with a 5.15GHz to 5.35GHz RF input and low side...
The LTC5540 is part of a family of high dynamic range, high gain passive downconverting mixers covering the 600MHz to 4GHz frequency range. The LTC5540 is optimized for 0.6GHz to 1.3GHz RF applications. The LO frequency must fall within the 0.7GHz to 1.2GHz range for optimum performance....
在上、下行频段中序号为 n(n=l~124)的载频对的频率可用 fu(n)=890+0.2nmhz(上行)或 fd(n)=935+0.2nmhz=fu(n)+45mhz(下行)。在每个射频信道,gsm系统采用了时分多址接人技术,每个载频按时间划分成tdma帧,其帧长为 4.6ms;每个 tdma帧分割为 8个时隙,时隙长为557 ps。因此在一个载频上可以有8台...
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The proposed method is compatible with even faster scanning technologies than that presented here, and it should be possible to reach MHz scan rates. The scanning motion can be resonant or deterministic (i.e. having the ability to freely choose the scanning waveform and to perform discrete ...
3. PHASE NOISE (dBc/Hz) fO = OSCILLATOR FREQUENCY (100MHz) INTEGRATE TO ≈ 2 fO = 200MHz –150 A 10k 100k 1M 10M 100M 1G fm FREQUENCY OFFSET (Hz) A = –150dBc + 10 log10 200×106 – 0.01×106 = –150dBc + 83dB = –67dBc A/10 RMS PHASE JITTER (radians) ≈ 2•10 ...
The repetition rate of the laser sources can be from a few Hz to more than 1 GHz, with reduced pulse interval and efficiency due to more distributed pulse energy and hence peak power. A pulsed laser source with an original pulse width of ~ 130 fs, a repetition rate of ~ 80 MHz, and...
% Frequency = 300 MHz = 300*10^6 Hz = 3*10^8 Hz f = 3*10^8; % Value of lambda = c / f lambda = c/f; % Wavenumber value = k k = (2*pi)/lambda; % Intrinsic Impedance Value = eta eta = 120*pi; % Radius of the wire ...
the result of this identification. In this example, since the horizontal scanning frequency is 31.5 kHz and the number of dots in one horizontal scanning interval is 800, the frequency of a clock to be generated by the PLL circuit 302 is 31.5 kHz×800×2=50.4 MHz. The A/D converter 201...
= 73 MHz 1000 –6 10 k 100 k 1M Frequency (Hz) 10 M 100 M (b) Simulation VOUT_DIFF of AC frequency response from VIN_SE to Conclusion The THS4521 is an excellent choice for converting standard-definition (SD) or enhanced-definition (ED) video signals from single-ended to differential...