JPH0284415U - - Google Patents

Description

[Brief explanation of drawings]

Figure 1 is a block diagram showing an embodiment of the parallel feedback type high frequency amplifier according to this invention, Figure 2 is a gold wire length/gain frequency characteristic diagram, and Figure 3 is a block diagram showing a conventional parallel feedback type high frequency amplifier. be. In Fig. 1 and Fig. 3, 1 is FET, 1
a is a gate terminal, 1b is a drain terminal, 2 is a signal input terminal, 5 is a signal output terminal, 11 is a resistor, 12
is a capacitor, and 13 is a gold wire. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims (1)

[Scope of utility model registration request] a field effect transistor; a first microstrip line having one end connected to the gate terminal of the field effect transistor and the other end forming a signal input terminal; and one end connected to the drain terminal of the field effect transistor; a second microstrip line whose other end constitutes a signal output terminal; a resistor connected to the gate terminal of the field effect transistor; and a second microstrip line connected to the other end of the resistor connected to the gate terminal of the field effect transistor. , and a capacitor whose other end is connected to the drain terminal of the field effect transistor, in which a gold wire of variable length is connected in series between the resistor and the capacitor. Parallel feedback high frequency amplifier.