Model 7328H High Speed High Dynamic Range IQ Vector Modulator

The Model 7328H represents the latest advancement to Kratos General Microwave’s comprehensive product line of PIN diode I-Q Vector Modulators. Its response time has been significantly reduced, resulting in an enhanced modulation rate performance of 50 MHz to better serve today’s more demanding system applications. In addition to the high speed, the Model 7328H incorporates multiple bi-phase modulator sections to provide in excess of 60 dB attenuation through 16 GHz, and is capable of a full 360 degrees of phase shift. Thus, the unit will provide high speed and simultaneous control of amplitude and phase over the full frequency range of 6 to 18 GHz. A simplified block diagram is shown in Fig. 1.

The Theory of Operation of the Model 7328H is the same as the Series 73 units. The RF and Driver portions of the IQ Modulator have been modified to enable modulation rates up to 50 MHz.

• High Speed – Modulation Rate of better than 50 MHz
• Wide Frequency Range – 6 to l8 GHz
• Simultaneous control of amplitude and phase over a 60dB dynamic range
• Digitally Programmable I&Q – 12 Bit ECL control
• Guaranteed monotonicity