Mixers: Image Reject Mixer
An image reject mixer consists of a quadrature IF mixer
and an IF hybrid. The IF hybrid combines the two IF outputs
from the quadrature IF mixer (which are of equal amplitude
and in phase quadrature) to produce an IF version of either
the upper or lower sideband of the input RF signal. The
other sideband is "rejected". The rejection of either
the upper or lower sideband is detemined by the relative
frequencies of the RF and LO signals.
| RF/LO Frequency Range |
6 - 18 GHz |
| IF Frequency Range |
110 - 220 MHz |
| Conversion Loss |
7 dB |
| VSWR, RF and LO ports |
2:1 typical |
| Isolation, LO to RF and LO to IF |
30 dB minimum |
| LO drive |
13 ± 1 dB |
| Input Two-Tone Third Order Intercept Point |
17 dBm |
| Image rejection |
25 dB |
| Operating Temperature Range |
-54 to +95 °C |
Image Reject Mixers Selection Guide
MR181-1 SMA | 6-18 | 6-18 |
20-200 | 6.5 | 11 | 15 | 30 | 1.5 | 1.5 | VP4 |
MR135 SMA |
6-18 | 6-18 | 2.75-3.25 | 6.5 | 14 | 21 | 30 | 2.25 | 2.0 | VP3 |
MR104 SMA |
6-18 | 6-18 | 20-500 | 6.5 | 10 | 15 | 35 | 1.3 | 1.25 | CP2* |
Mixers: Single Sideband Modulator
A single sideband modulator is similar to an image reject
mixer however is used in upconversion applications. It
accepts an RF and an IF input signal and produces either
the upper or lower sideband with the unwanted sideband
suppressed.
| RF/LO Frequency Range |
6 - 18 GHz |
| IF Frequency Range |
110 - 220 MHz |
| Conversion Loss |
7 dB |
| VSWR, RF and LO ports |
2:1 typical |
| Isolation, LO to RF and LO to IF |
30 dB minimum |
| LO drive |
13 ± 1 dB |
| Input Two-Tone Third Order Intercept Point |
17 dBm |
| Sideband Suppression |
25 dB |
| Operating Temperature Range |
-54 to +95 °C |
Single Sideband Modulators Selection Guide
MR181 SMA |
6-18 | 6-18 | 20-200 | 6.5 | 11 | 15 | 28 | 14 | 1.5 | 1.5 | VP4* |
An I/Q Modulator is similar to a Quadrature, IF mixer,
however, is used in upconversion applications.
| RF/LO Frequency Range |
2 - 4 GHz |
| IF Frequency Range |
DC - 100 MHz |
| Conversion Loss |
11 dB |
| VSWR, RF and LO ports |
2:1 typical |
| Isolation, LO to RF and LO to IF |
20 dB minimum |
| LO drive |
13 ± 1 dB |
| Input Two-Tone Third Order Intercept Point |
13 dBm |
| Amplitude Balance |
±0.5 dB |
| Phase Balance |
±2 ° |
| Operating Temperature Range |
-54 to +95 °C |
IQ Mixer / Modulator Selection Guide (uses double balanced design)
MR208-1 SMA |
2-4 | 2-4 | DC-.5 | 11 | 13 | 13 | 30 | 22 | 1.5 | 1.5 | VP2 |
MR208-2 SMA |
4-6 | 4-6 | DC-.5 | 11 | 13 | 13 | 30 | 22 | 1.5 | 1.5 | VP2 |
MR208-3 SMA |
6-10 | 6-10 | DC-.5 | 11 | 13 | 13 | 30 | 22 | 1.5 | 1.5 | VP2 |
MR208-4 SMA |
10-14 | 10-14 | DC-.5 | 11 | 13 | 13 | 30 | 22 | 1.5 | 1.5 | VP2 |
MR208-5 SMA |
14-18 | 14-18 | DC-.5 | 11 | 13 | 13 | 30 | 22 | 1.5 | 1.5 | VP2 |
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