Signal Generators: esereese na ụkpụrụ nke ime ihe. A sinusoidal mgbaàmà generator

Signal generators - ngwaọrụ nke na-isi na iji nwalee transmitters. Ọzọkwa ọkachamara na-eji ha tụọ e ji mara analọg converters. Test nlereanya transmitters emee site simulating mgbaàmà. Ọ dị mkpa na-elele ngwa oru maka ndaba na oge a na ụkpụrụ. Signal ozugbo na ngwaọrụ nwere ike nri dị ọcha n'ụdị ma ọ bụ na a distortion. Ya ọnụego nke na ọwa nwere ike ịdị iche iche n'ọtụtụ ebe.

Olee otú ndị generator?

Ọ bụrụ na anyị na-atụle omenala na nlereanya nke a mgbaàmà generator, n'ihu panel ngosi nwere ike hụrụ. Ọ dị mkpa inyocha na ịchọpụtakwa vibrations na-ebu akara. Mgbe n'elu ihuenyo bụ edito na awade a dịgasị iche iche nke dị iche iche ọrụ. Next abịa sevensor n'okpuru, nke na-egosi na vibration ugboro. N'okpuru ya bụ modeline. Larịị nke mgbaàmà njupụta ma ọ bụ Ndahie nwere ike na-achịkwa site na abụọ buttons. Na-arụ ọrụ na faịlụ a iche iche Obere-mmanya. Site n'enyemaka nke ule pụta ga-echekwara ma ọ bụ ozugbo na-emeghe.

The ọrụ na-enwe ike ịgbanwe ụfọdụ ugboro, na generator nwere a pụrụ iche regulator. Numerically, ị nwere ike mara mma ngwa ngwa mekọrịta. Ndapụta n'ókè, na-emekarị odude na ala nke a na ihuenyo ngwaọrụ. Ọ na-agụnye a akpalite na generator-egwu ala.

arụrụ n'ụlọ ngwaọrụ

Mee a mgbaàmà generator na gị onwe gị aka bụ mfịna n'ihi na mgbagwoju anya nke na ngwaọrụ. Isi mpempe akụrụngwa na-atụle ga a selector. Ọ bụ iji na-agbalị ịdị a ụfọdụ ọnụ ọgụgụ nke ọwa. Na sekit na sekit na ngwaọrụ na-emekarị nwere ihe abụọ. Iji kpatụ ugboro generator kwesịrị synthesizer. Ọ bụrụ na anyị na-atụle multi-ọwa ngwaọrụ, microcontrollers na-adabara KN148 usoro. Converters na-eji naanị analọg ụdị.

Ngwaọrụ sinusoidal mgbaàmà

Sinusoidal mgbaàmà generator circuit eji a pụtara dị mfe. Amplifiers na naanị ọrụ ụdị nwere ike ji mee. Ọ dị mkpa ka ndị nkịtị nnyefe ụgwọ mgbaàmà si resistors. Potentiometers na-gụnyere ke usoro gosiri na ihe na-erughị 200 ohms. usu ọrụ okirikiri na-adabere na ndị na-agba egosi amụba usoro.

N'ihi mgbanwe tuners arụnyere multi-ọwa ngwaọrụ. The ugboro ole nso nke na generator sinusoidal mgbaàmà-agbanwe mgbe rotary akpu. Iji nwalee erite ọ ga na-dabara modulating ụdị. Nke a na-egosi na ọwa nke generator kwesịrị dịkarịa ala ise.

Na-akwọ ụgbọala a ala-ugboro oscillator

The ala ugboro mgbaàmà generator (atụmatụ e gosiri n'okpuru) agụnye analọg resistors. Potentiometers bụ na-arụnyere uru nke 150 ohms. Ka ịgbanwee uru nke usu usoro eji KK202 modulators. Site na nke a emee site capacitors. N'etiti resistors sekit i papuas ga-ga. Inwe abụọ mkpọ ị nwere ike ịtọ a mgbaàmà generator (ala) mgba ọkụ.

The na-arụ ọrụ ụkpụrụ nke ụda ụdị

Ijikọ generator now n'ókè nke ugboro voltaji na-etinyere na mbụ na selector. Ọzọkwa, nwetụ ugbu a na-aga site na ngugu nke transistors. Mgbe akakabarede na-arụ ọrụ gụnyere capacitors. Fluctuations gosipụtara na ihuenyo site na iji a microcontroller. Iji kpatụ ugboro ịgba chọrọ pụrụ iche ọnụ na mgbawa.

The kacha mmepụta ike na ihe banyere ihe audio mgbaàmà generator nwere ike nweta a 3 GHz, ma njehie kwesịrị ntakiri. limiter a na-setịpụụrụ a nso resistor. Adọ mkpọtụ na-aghọta ha site usoro ruru ka njikọ. Adọ mgbanwe olu index adabere nanị na nke ugbu a akakabarede ọnụego.

Scheme mbuaha mgbaàmà ngwaọrụ

Ọkọlọtọ oscillator circuit nke ụdị dị iche multi-ọwa selector. Mgbe a mmepụta panel nwere ihe karịrị ise. Na nke a, a kacha ịgba ugboro nwere ike ịtọ 70 Hz. The capacitors dị na ọtụtụ ụdị na ike nke bụghị ihe karịrị 20 pF. Resistors mgbe na-gụnyere ke elu ọnụ uru nke 4 ohms. mbụ mode Mbido oge bụ na nkezi 2.5 sekọnd.

N'ihi ọnụnọ nke reverse ike nnyefe limiter unit nwere ike iru 2 MHz. Frequency ụdịdị dị iche iche na nke a nwere ike na-achị ndị modulator. onye ndapụta dị maka mmepụta impedance. Zuru oke ziri ezi larịị ke circuit bụ hà na-erughị 2 dB. Transmitters na ọkọlọtọ usoro ndị RR201 usoro.

Aka ike Waveform Device

Ndị a na ngwaọrụ na-haziri maka a obere njehie. mgbanwe usoro mode na-nyere. Standard selector circuit agụnye isii ọwa. Kacha nta ugboro oke hà 70 Hz. Positive usu generator nke ụdị na-aghọta. Capacitors na circuit capacitance nwere ihe na-erughị 20 pF. Mmepụta impedance ngwaọrụ nọgidere na-enwe 5 ohms.

Dee data mmekọrịta mgbaàmà generators bụ nnọọ iche. Nke a bụ n'ihi, na-emekarị ụdị njikọ. N'ihi ya, na ịrị elu oge àmà site 15 ruo 40 NS. Total ụdịdị, e nwere abụọ ụdị (linear na logarithmic). Na enyemaka ha, njupụta ga-agbanwe. Frequency njehie na nke a bụ ihe na-erughị 3%.

Mgbanwe mgbagwoju n'ókè

Iji nyegharịa ihe mgbagwoju mgbaàmà generators ọkachamara na-eji nanị multichannel selectors. Ha na-n'ụzọ na amplifiers ghaghị. Iji gbanwee mode iji regulators. N'ihi na ugbu a Ntụgharị-aghọ mgbe nile na ugboro ole n'okpuru 60 Hz. Ịrị elu oge nke nkezi ga-adị ọzọ karịa 40 NS. N'ihi nke a, ndị kacha nta capacitance bụ 15 pF. Eguzogide maka mgbaàmà usoro ga-hụrụ na mpaghara nke 50 ohms. Distortion na 40 kHz bụ n'ozuzu 1%. N'ihi ya, ule generator ike ga-eji receivers.

Generators-ewu na-nchịkọta akụkọ

Signal Generators nke ụdị dị nnọọ mfe hazi. Regulators na-haziri maka anọ ọnọdụ. N'ihi ya, larịị nke ịgba ugboro nwere ike gbanwere. Ọ bụrụ na anyị na-ekwu banyere mwube oge, ọ bụ na ọtụtụ ụdị bụ 3 MS. Nke a na-enweta site microcontroller. Ha jikọọ na osisi site jumpers. Bandwit limiters na generators nke ụdị na-adịghị arụnyere. Transducers na-ndokwa dị ka atụmatụ nke selectors. Synthesizers ụdị na-adịkarịghị eji. Oke unit ike mmepụta bụ na larịị 2 MHz. The njehie bụ naanị 2% kwere na nke a.

Ngwaọrụ na digital ndapụta

mgbaàmà generators na dijitalụ mmepụta njikọta na-onwem na a usoro nke KR300. Resistors, n'aka nke ya, gụnyere a par uru nke na-erughị 4 ohms. N'ihi ya, esịtidem eguzogide nke resistor na-nọ na nnukwu. Test data ngwaọrụ ike receivers na a ike nke bụghị ihe karịrị 15 V. The compound nke transducer a rụrụ naanị site na i papuas.

Selectors generators nwere ike izute atọ- na anọ-ọwa. The mgbawa a ọkọlọtọ circuit, n'ozuzu na ọdabara ụdị KA345. Switches na Meter, jiri nanị uzo. Obosara mgbanwe olu generators emee kama ngwa ngwa, na a na-enweta site a elu ngafe ọnụego. I kwesịkwara ime n'ime akaụntụ ala ozo nke brọdband mkpọtụ na 10 dB.

Ụkpụrụ na a elu elekere ugboro

Signal generator na a elu elekere ugboro dị iche elu ike. The esịtidem eguzogide ọ bụ ike iguzogide nkezi nke 50 ohms. The bandwit nke ndị dị otú ahụ ụdị bụ na-emekarị hà 2 GHz. Ke adianade do, ọ ga-ahụ kwuru na capacitors eji ike nke na-erughị 7 pF. N'ihi ya, karịa ugbu a na-nọgidere na-enwe gburugburu 3 A. elu distortion na usoro nwere ike 1%.

Amplifiers bụ n'ozuzu generators nwere ike izute naanị ọrụ ụdị. Bandwit limiters na-arụnyere na circuit ná mmalite na njedebe. Njikọ maka ahọpụta ụdị mgbaàmà bụ ugbu a. Microcontrollers pụrụ ịchọta Ọtụtụ RRK211 usoro. The selector e mere maka a kacha nta nke isii ọwa. Regulators mbịne na otú ahụ na ngwaọrụ dị. The kacha ịgba ugboro nwere ike ịtọ ka 90 Hz.

Na-arụ ọrụ ezi uche mgbaàmà generators

Nke a mgbaàmà generator nwere resistors gosiri na ọ dịghị ihe karịrị 4 ohms. Ebe esịtidem eguzogide na-nọ pụtara elu. Iji belata mgbaàmà nnyefe ọnụego ga-guzobere amplifiers ọrụ ụdị. Nchoputa nke panel, dị ka a na-achị, e nwere atọ. Onyinye delimited nnyefe na-ewe ebe naanị site na i papuas.

The switches na ngwaọrụ arụnyere swivel. Abụọ ụdịdị nwere ike họrọ. N'ihi na-adọ mgbanwe olu mgbaàmà generators nke ụdị nwere ike ji mee. Oke brọdband mkpọtụ si ha adịghị gafere 5 dB. Devatsii ngosi ugboro, a na gburugburu 16 MHz. The ọghọm bụ ogologo ịrị elu oge na-ada. Nke a bụ n'ihi na ala throughput ike nke microcontroller.

The oscillator circuit na a modulator MH101

Ọkọlọtọ oscillator circuit na a modulator selector enye ise ọwa. Nke a na-eme ka o kwe omume na-arụ ọrụ na linear mode. The kacha njupụta na ala ibu 10 na-nọgidere na-enwe ọnụ ọgụgụ kasị elu. DC dechapụ bụ pụtara obere. The oke bụ mmepụta ugbu a na gburugburu 4 A. The ugboro ole njehie bụ ike iru a kacha nke 3%. The nkezi oge site na ịrị elu nke generators dị modulators bụ 50 NS.

The waveform bụ a square-efegharị efegharị usoro a na-aghọta. Test receivers iji ihe nlereanya a, ị nwere ike ike ruo 5 V. logarithmic zaa mode-enye ohere na ezi ihe ịga nke ọma na-arụ ọrụ dị iche iche na ngwá. The ọsọ nke ukpụhọde na panel ga-agbanwe were were. Ruru akwa mmepụta impedance ibu a na-ewepụ si transducer.