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1、Mini-Circuits Product Presentation,By Mount Nov. 22th, 2011,Mini-Circuits product presentation,Page 2,Mixers,The output signal is a linear combination of two input signals or part of two input signals, usually it was used to generate IF signal,It consists of non linear element and frequency-selectin
2、g circuits,Its an active mixer,RF: Radio Frequency,LO: Local Oscillate,IF: Intermediate Frequency,Mini-Circuits product presentation,Page 3,Mixers Parameters,- Operating Frequency,-Conversion loss(gain): RF input power to IF output power,-LO-RF and LO-IF isolation: The isolation of LO,RF and IF from
3、 each other,- P1dB -Out(In)put IP3: order intercept point It shows the linearity of system,-Noise factor: The ratio of the network output noise and ideal output noise.,Mini-Circuits product presentation,Page 4,All kinds of mixers,Active,Passive,High IP3 (up to +37dBm),High Reliability:,Hermetically
4、Sealed Ceramic Quads Shielded Metal Case,image reject mixer,Products that LO levels span 0 to +27 dBm,Mini-Circuits product presentation,Page 5,Amplifier,Its usually used to amplify the voltage or power of input signals,Its a 50, low power amplifier,It has a good performance in frequency 800-1200MHz
5、,Mini-Circuits product presentation,Page 6,Amplifier Parameters,- Operating Frequency: DC up to 20GHz,-Gain: Up to +50dbm,-Power (1 dB comp.),-Noise figure: The ratio of the network output noise and ideal output noise.,-IP3: Up to 55dbm,-VSWR:(Voltage Standing Wave Ratio): The wave transmission from
6、 A to B, the CW sinusoids will reflect from mismatch Its the radio of the reflect waves peak and bottom.,Mini-Circuits product presentation,Page 7,All kinds of Amplifier,General Purpose : It usually has modest parameters, can meet the most cases of use.,LNA(Low Noise): The NF of Minis LNA can be con
7、trolled from 0.55 to 2 dB. Generally It was used at the front of the receiver set to increase the gain and decrease the NF.,High Power Amplifier: Usually it was used at the back of the transmitter set to amplify the power of the modulated high frequency signal. So it can reach the require transmitte
8、d power.,There are many other uses amplifiers like variable gain amplifier, RF Instrument amplifier, pulse amplifier and so on,Mini-Circuits product presentation,Page 8,VCO(Voltage Controlled Oscillator),Usually we call it frequency modulator. It was mainly used to create modulated signals or local
9、frequency.,Its a low noise VCO,The relationship between Output angular frequency and control voltage,phase-locked loop,Mini-Circuits product presentation,Page 9,VCO Parameters,- Operating Frequency and Sensitivity,-Output Power,-Tuning voltage range and tuning frequency range. They are two important
10、 performance parameters of voltage controlled oscillators(VCO), but as the tuning range increases, the oscillator amplitude will vary at different frequencies.,-Pulling factor: The frequency changes when control voltage increase or decrease 1 V, similar to sensitivity.,-Phase Noise: In Minis compone
11、nts, there are four indicators measured at 1kHz,10kHz,100kHz and 1000kHz.,Mini-Circuits product presentation,Page 10,All kinds of VCOs,-Linear Tuning, Wideband VCO,-5V Tuning for PLL ICs VCO: It was used in PLL circuits.,-Dual Output VCO: As the following figure, there is a couple added to the VCO.,
12、Mini-Circuits product presentation,Page 11,Couplers,-Couple divides signal into two parts, its different from combiner which divides signal into several parts on average.,It is a directional coupler schematic diagram,Mini-Circuits product presentation,Page 12,Coupler Parameters,- Operating Frequency
13、,-Coupling: The difference of input power and coupled power,-Mainline Loss: The decrease power from input to output.,-Directivity: The ratio of coupled reverse power to coupled forward power.,-Isolation: The ratio of input power to coupled forward power.,-Input Power and VSWR,Mini-Circuits product p
14、resentation,Page 13,Power Splitters/Combiners,Its a 2 way-0 degree combiner/power splitter,Power divider can divide input power into two road or multipath output equal or not equal. Also it can turn the multipath signals to one way, in this we call it combiner.,In fact, it is a impedance matching eq
15、uipment.,Mini-Circuits product presentation,Page 14,Power Splitters/Combiners Parameters,- Operating Frequency,-Isolation: It is the isolation between branch ports. We hope the input power from each branch port only transferred by primary port, not the branch port.,-Assigning Loss: The assigning los
16、s is related with the ratio of power splitting. For example, bisecting and quarters with 3dB and 6dBs loss.,-Insertion Loss: It usually caused by the impedance mismatching and VSWR.,-Maximum RF Power,Mini-Circuits product presentation,Page 15,Parameters,-Phase Unbalance(degrees) and Amplitude Unbalance(dB).,All kinds of Power Splitters/Combiners,Mini-Circuits broad line of Power Splitters & Combiners are offered in standard
