Varactor diode frequency multiplier

• US 5,422,613 A
• Filed: 07/14/1993
• Issued: 06/06/1995
• Est. Priority Date: 07/15/1992
• Status: Expired due to Fees

• Current Assignee: Rafael Limited
• Original Assignee: State of Israel--Ministry of Defence Armament Development Authority Rafael
• Inventors: Nativ, Zvi
• Primary Examiner(s): GENSLER, PAUL L
• Application Number:
  US08/091,666
• Time in Patent Office: 692 Days
• Field of Search: 333/218, 363/158
• US Class Current: 333/218
• CPC Class Codes: H03B 19/05 using non-linear capacitance, e.g. varactor diodes
• CPC Class Codes: H03B 19/18 and elements comprising distributed inductance and capacitance

Abstract

An integrated varactor diode frequency multiplier assembly including a first varactor diode frequency multiplier circuit having a non-stepped waveguide output, a second varactor diode frequency multiplier circuit having a non-stepped waveguide input and a non-stepped waveguide for integrally connecting the output of the first circuit to the input of the second circuit, wherein the impedance level of the input of the second circuit is similar to the impedance level of the output of the first circuit.

Claims

1. An integrated varactor diode frequency multiplier assembly comprising:

a first varactor diode frequency multiplier circuit;

a second varactor diode frequency multiplier circuit; and

a uniform cross-section waveguide operative to integrally connect the first circuit to the second circuit,

wherein the impedance of the input of the second circuit is similar to the impedance level of the output of the first circuit, and

wherein the second circuit comprises a coaxial matching network, and the uniform cross-section waveguide is arranged to transfer signals from a first varactor diode in the first circuit to the coaxial matching network.

2. Apparatus according to claim 1, and wherein the first circuit is a tripler.

3. An integrated assembly according to claim 1 and wherein said second circuit is a doubler.

4. An integrated assembly according to claim 1, and wherein said integrated assembly is a millimeter wave varactor diode frequency multiplier assembly.

5. An integrated assembly according to claim 1, and wherein said assembly is an integrated Ku band to W band tripler-doubler varactor diode frequency multiplier assembly.

6. An integrated varactor diode frequency multiplier assembly comprising:

a first varactor diode frequency multiplier circuit;

a second varactor diode frequency multiplier circuit;

a uniform cross-section waveguide operative to integrally connect the first circuit to the second circuit; and

a first circuit tester operative to test the first circuit separately from the second circuit,

wherein the impedance of the input of the second circuit is similar to the impedance level of the output of the first circuit.

7. An integrated varactor diode frequency multiplier assembly comprising:

a first varactor diode frequency multiplier circuit;

a second varactor diode frequency multiplier circuit; and

a uniform cross-section waveguide operative to integrally connect the first circuit to the second circuit,

wherein the impedance of the input of the second circuit is similar to the impedance level of the output of the first circuit, and

wherein the first circuit comprises a coaxial input matching network.

8. An integrated varactor diode frequency multiplier assembly comprising:

a first varactor diode frequency multiplier circuit;

a second varactor diode frequency multiplier circuit; and

a uniform cross-section waveguide operative to integrally connect the first circuit to the second circuit,

wherein the impedance of the input of the second circuit is similar to the impedance level of the output of the first circuit, and

wherein the second circuit comprises a stepped waveguide output matching network.

9. An integrated varactor diode frequency multiplier assembly comprising:

a first varactor diode frequency multiplier circuit;

a second varactor diode frequency multiplier circuit; and

a uniform cross-section waveguide operative to integrally connect the first circuit to the second circuit,

wherein the impedance of the input of the second circuit is similar to the impedance level of the output of the first circuit, and

wherein the uniform cross-section waveguide comprises a reduced height waveguide.