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Haystack Small Radio Telescope - MIT Haystack Observatory

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90° combiner/<br />

filter<br />

10MHz filter<br />

Mixer<br />

Local oscillator<br />

1 st IF amp.<br />

90° splitter<br />

Mixer<br />

RF splitter<br />

Figure 20: The completed component mounting plate in the receiver case.<br />

23<br />

7MHz filter<br />

2 nd IF amp.<br />

Power<br />

supply<br />

Voltage<br />

regulators<br />

Termination<br />

Bias-tee<br />

RF amp 1420-70 MHz filter

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