https://en.wikipedia.org/wiki/Intermediate_frequency

In communications and electronic engineering, an intermediate frequency (IF) is a frequency to ... The bandwidth of a filter is proportional to its center frequency. In receivers like the TRF in which the filtering is done at the incoming RF ...

https://www.allaboutcircuits.com/textbook/radio-frequency-analysis-design/selected-topics/the-benefits-of-an-intermediate-frequency-in-rf-systems/

The abbreviation “IF” refers to an intermediate frequency itself or, more ... A combination of high-frequency operation and narrow bandwidth requires a very high ...

https://www.electronicdesign.com/test-amp-measurement/understanding-if-bandwidth-rf-signal-analyzers

Nov 22, 2013 ... ... characteristic of today's high-performance RF signal analyzers is their use of a range of intermediate frequency (IF) filter bandwidth settings.

https://www.analog.com/media/en/training-seminars/design-handbooks/Basic-Linear-Design/Chapter4.pdf

Also, the modulation bandwidth is typically very much smaller than the carrier ... waveform at the intermediate frequency (IF) output can be very complex for even  ...

https://www.quora.com/What-is-the-difference-between-RF-and-IF-frequency

RF = Radio Frequency (LO + IF) IF = Intermediate Frequency (LO - RF) ... could mean any high frequency signal; say greater than a few MHz.

https://electronics.stackexchange.com/questions/79901/why-the-conversion-to-intermediate-frequency

So for FM (88MHz to 108MHz), the I.F. frequency became 10.7MHz and the oscillator would be (typically) at 98.7MHz for tuning 88MHz signals ...

http://www.rfwireless-world.com/Terminology/RF-vs-IF.html

Superheterodyne uses 10.7MHz as first IF and 470KHz as second IF. Following table mentions intermediate frequencies(IF) typically used for different ...

http://www.ti.com/lit/wp/snaa107/snaa107.pdf

(dB relative to Full Scale) at a 244 MHz IF. When the. Intermediate Frequency (IF) Sampling Receiver Concepts. ANALOG edgeSM. Mark Rives, Principal ...

https://www.scribd.com/doc/20903936/INTERMEDIATE-FREQUENCY-Definition-In-Communications-and-Electronic-Engineering-An-Intermediate

So a narrower bandwidth and more selectivity can be achieved by ... superheterodyne receivers, often a first intermediate frequency of 1.6 MHz is used, followed ...

https://fas.org/man/dod-101/navy/docs/es310/superhet.htm

To heterodyne means to mix to frequencies together so as to produce a beat ... carrier frequency to some intermediate value, called the IF (intermediate frequency). ... Frequently, the receiver bandwidth is some fraction of the carrier frequency.