AD0105B IQ Bandwidth to 900MHz

Customer inquired about increasing the IQ bandwidth of the AD0105B. The data in this document summarizes the results of measuring the AD0105B IQ bandwidth to 900MHz with three different IQ channel configurations; Standard, 350MHz -3dB LPF and 560MHz -3dB LPF.  Version 1.0.0  444 KB

AD0105B IQ Bandwidth to 400MHz

Customer inquired about increasing the IQ bandwidth of the AD0105B. The data in this document summarizes the results of measuring the AD0105B IQ bandwidth to 400MHz with three different IQ channel configurations; Standard, 350MHz -3dB LPF and 560MHz -3dB LPF.  Version 1.0  455 KB

QD/QM Series IQ Bandwidth

Customer inquired about the IQ bandwidth of the QD/QM series of modulators. The data in this document summarizes the results of measuring the QD/QM1422 IQ bandwidth with two different IQ channel configurations; Standard IQ Filter and 770MHz -3dB LPF. This data should be representative of all QD/QM models.  Version 1.0  341 KB

AM0350A IQ Bandwidth

Customer inquired about the IQ bandwidth of the AM0350A. The data in this document summarizes the results of measuring the AM0350A IQ bandwidth with two different IQ channel configurations; Standard IQ Filter and 770MHz -3dB LPF.  Version 1.0  550 KB

AM0260A IQ Bandwidth

Customer inquired about the IQ bandwidth of the AM0260A. The data in this document summarizes the results of measuring the AM0260A IQ bandwidth with two different IQ channel configurations; No IQ Filter and 770MHz -3dB LPF.  Version 1.0  537 KB

AD0540B IQ Bandwidth

Customer inquired about increasing the IQ bandwidth of the AD0540B. The data in this document summarizes the results of measuring the AD0540B IQ bandwidth with three different IQ channel configurations; No IQ Filter, 770MHz -3dB LPF and 770MHz -3dB LPF including reduced IQ Amplifier Gain.  Version 1.0  450 KB

AN-101A “Driving the QM Series Quadrature Modulators”

Discusses common methods of driving the QM series baseband I/Q inputs. Active and passive interface circuits are presented for driving the QM series Quadrature Modulators with single-ended I and Q signal sources. An active driver circuit for interfacing to differential D/A converters is also included.  Version 1.0  960.97 KB

AN-102A “Interface Circuits for the QD Series Quadrature Demodulators”

This note provides active and passive circuit ideas that interface the QD series baseband I/Q outputs to single-ended loads. A fully-differential active circuit is also presented for interfacing the QD series to high-speed A/D converters. The amplifier circuit has adjustable gain and lowpass cutoff frequency for anti-alias filtering.  Version 1.0  952.56 KB

AD0105B with Extended RF Frequency

Customer inquired about the performance capability of the AD0105B beyond 500MHz and if it would be possible to develop a unit with comparable performance from 400MHz to 700MHz or 300MHz to 600MHz. The pictures and information below are the results of testing the standard AD0105B beyond 500MHz and the results of the new product with… Read more »