DE424543C - Circuit arrangement for static frequency converter - Google Patents

Description

GERMAN EMPIRE

ISSUED ON
January 27, 1926

REICH PATENT OFFICE

PATENT LETTERING

CLASS 21a

(T 28944 VIIIl ₂ IaV

Telefunken society for wireless telegraphy m.b.H. in Berlin*). Circuit arrangement for static frequency converters.

Addition to patent 380188.

Patented in the German Empire on June 8, 1924. The main patent started on April 25, 1919.

The present invention has for its object a further improvement in the Circuit according to Fig. S of patent 380188.

and C ₁ two capacitors, L ₂ an unsaturated inductance (ζ. Β. an air choke), Z, ₂ one strong with larger currents

This is shown here in Fig. 1, saturated inductance. The apparent resistance 10 5 In the figure mean: M is the energy of L ₂ or C ₁ according to the patent energy source with the fundamental frequency 'V ₁ , C ₂

*) The patent seeker stated as the inventor:

Mendel Osnos in Berlin.

ren currents greater than the apparent resistance of L ₁ . The circuit of the multiplied frequency 'vn is here coupled to L _{2, for example.}

According to the invention, this circuit is now modified so that the circuit of the multiplied frequency is coupled either to the branch of L ₁ or to that of C _1.

Some exemplary embodiments are illustrated in FIGS. 2 to 4.

In the circuit of Fig. 2 the antenna is inductively coupled to the branch of L ₁ and in the circuit of Fig. 3 it is _{inductively coupled to the branch of C 1} by means of coupling coils Lk and Lka.

A galvanic or capacitive coupling could of course also be used instead of inductive coupling be used.

It is also advisable to use the capacitive resistance of C ₁ from combined resistances for the purpose of better regulation. feed, e.g. B. from a capacitor C ₁ in j series with a variometer L _v . This is shown, for example, in Fig. 4. One can dimension the terms C ₁ and L _{v in} such a way that they |

with respect to the "fundamental wave the capacitor C _{1 are} equivalent and that also the circuit, consisting of L ₁ , Lk., " C ₁ and L _v is matched for the useful frequency or for an intermediate frequency.

Claims (3)

Patent Claims: ι. Circuit arrangement for static frequency converters according to patent 380188, characterized in that the circuit for the higher frequency is coupled to the branch of the saturated inductance (L ₁ ) or the capacitance (C _{1) parallel to it.} 2. Arrangement according to claim 1, characterized in that a self-induction (£. ") Is connected in _{front of the parallel capacitance (C 1).} 3. Arrangement according to claim 2, characterized in that the circuit consisting of the saturated inductance (L ₁ ) of the coupling self-induction (Lk), the parallel capacitance (C ₁ ) and the upstream self-induction (L _v ) to the useful frequency or an intermediate frequency 'is in tune. Fig.i. ^C 2 Fig. 4. Abbr 2.