SU1707575A1 - Crystal resonator electric parameter measuring device - Google Patents
Crystal resonator electric parameter measuring device Download PDFInfo
- Publication number
- SU1707575A1 SU1707575A1 SU894715110A SU4715110A SU1707575A1 SU 1707575 A1 SU1707575 A1 SU 1707575A1 SU 894715110 A SU894715110 A SU 894715110A SU 4715110 A SU4715110 A SU 4715110A SU 1707575 A1 SU1707575 A1 SU 1707575A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- output
- input
- inverting amplifier
- measuring device
- crystal resonator
- Prior art date
Links
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Description
тора, содержащее управп емый резистор , последовательно соединенные первый инвертирующий усилитель, полосовой фильтр и второй инвертирующий усилитель, выход которого чере.з исследуемый кварцевый резонатор соединен с входом первого инвертирующего усилител , а также последовательно соединенные амплитудный детектор и усилитель посто нного тока , выход которого соединен с управл ющим входом управл емого резисa torus containing a control resistor, serially connected first inverting amplifier, band-pass filter and second inverting amplifier, the output of which is through the quartz resonator under investigation connected to the input of the first inverting amplifier, as well as series-connected amplitude detector and amplifier of the direct current, output of which is connected with control input controlled resis
тора, отличающеес тем, что, с целью повышени точности измерений , в него введен измеритель сопротивлени , вход амплитудного детектора подключен к выходу полосового фильтра, а управл емый ре-, зистор выполнен в виде блока из двух идентичных резисторов, первый из которых включен между входом и выходом первого инвертирующего усилител , а второй подключен к измерителю сопротивлени .torus, characterized in that, in order to improve the measurement accuracy, a resistance meter is inserted into it, the input of the amplitude detector is connected to the output of a bandpass filter, and the controlled resistor is made as a unit of two identical resistors, the first of which is connected between the input and the output of the first inverting amplifier, and the second is connected to a resistance meter.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU894715110A SU1707575A1 (en) | 1989-05-11 | 1989-05-11 | Crystal resonator electric parameter measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU894715110A SU1707575A1 (en) | 1989-05-11 | 1989-05-11 | Crystal resonator electric parameter measuring device |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1707575A1 true SU1707575A1 (en) | 1992-01-23 |
Family
ID=21458995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU894715110A SU1707575A1 (en) | 1989-05-11 | 1989-05-11 | Crystal resonator electric parameter measuring device |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1707575A1 (en) |
-
1989
- 1989-05-11 SU SU894715110A patent/SU1707575A1/en active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SU1707575A1 (en) | Crystal resonator electric parameter measuring device | |
RU1755427C (en) | Eye tonometer | |
SU1133484A1 (en) | Device for measuring oscillation intensity | |
EP0215499A3 (en) | Harmonic measuring-oscillator to capture temperatures | |
SU1267282A2 (en) | Device for measuring non-linear distortion factor | |
SU693278A1 (en) | Device for selecting pairs of transistors | |
SU1171990A1 (en) | Device for frequency changing of resonators of electromechanical filters | |
US3843266A (en) | Opacimeters | |
SU1767454A1 (en) | Device for measuring electrical parameters of quartz resonators | |
SU869710A1 (en) | Device for measuring and registering milk fatness | |
SU898355A2 (en) | Device for measuring magnetic field strength | |
SU717526A1 (en) | Measuring transducer | |
SU1187280A1 (en) | Device for determining mismatch degree of communication cables | |
SU907464A1 (en) | Autogenerator meter of low conducting media electrical conductivity | |
SU1695245A1 (en) | Device for determination of natural oscillations of seismographs | |
SU932413A1 (en) | Measuring bridge | |
JPS5748665A (en) | Resistance component measuring circuit | |
SU612182A1 (en) | Phase meter | |
SU847222A1 (en) | Two-frequency infralow-frequency phase-measuring device | |
SU849102A1 (en) | Electric capacity measuring device | |
SU477367A1 (en) | Q Meter | |
JPS5540950A (en) | Sharpness measuring unit | |
SU800912A1 (en) | Meter of modulus of four-pole parameters | |
SU1629876A1 (en) | Inductive sensor | |
SU809661A1 (en) | Differential phase measuring device vision communication channel |