5pcs SA602N RF Double Balanced Mixer, Oscillator (Replaces NE612/SA612) SA602 | eBay
NE602/NE612 info
40 m Band Superhet Receiver
30 m Band Direct Conversion Receiver
NE 612, Tube NE612; Röhre NE 612 ID39161, IC - Integrated Ci | Radiomuseum.org
MIXER : The NE612 Tinkerboard
NE612 datasheet(4/12 Pages) PHILIPS | Double-balanced mixer and oscillator
Mixer comparison: “NE612” vs. “AN612” – DK7IH QRP Engineering
diy - What is an expected IF level of SA612? - Amateur Radio Stack Exchange
NE612 - jpralves.net
Xinyuan-Mélangeur et oscillateur à double équilibrage SA612A SA612 NE612 NE612A D SOP8, circuit intégré authentique d'origine, nouveau IC, 1 pièce - AliExpress
136kHz amateur radio constructions
NE612 heterodyne detector
NE612 Datasheet, and oscillator.
Components
HF Transreceiver using NE612 under Repository-circuits -49031- : Next.gr
rf - Adding Two Balun Transformers to SA612 Mixer Has No Effect on LO Suppression - Electrical Engineering Stack Exchange
NE612 Datasheet, and oscillator.
NE612 Receive Mixer Band-pass Filter 2 - Signal_Processing - Circuit Diagram - SeekIC.com
NE612 heterodyne detector
NE612 – Balanced mixer with Local Oscillator – delabs Hobby Electronics
50MHz to 28MHz RX Converter – Herbert Dingfelder – DL5NEG
