The YuSynth Minimoog VCF and the Diode VCF use the CA3046 transistor array chips. These are obsolete chips and can be difficult to obtain. The batch we currently have in stock were purchased on the basis of being new but we suspect they have been previously used. This assumption is based on the tinning finish to the pins (legs). Other than that they look as good as new. If they are recovered chips then it has been done extremely well.
- Two Matched Transistors
- VBE Match ±5mV
- IIO Match 2µA (Max)
- Low Noise Figure 3.2dB (Typ) at 1kHz
- 5 General Purpose Monolithic Transistors
- Operation From DC to 120MHz
The CA3046 consists of five general purpose silicon NPN transistors on a common monolithic substrate. Two of the transistors are internally connected to form a differentially connected pair.
The transistors of the CA3046 are well suited to a wide variety of applications in low power systems in the DC through VHF range. They may be used as discrete transistors in conventional circuits. However, in addition, they provide the very significant inherent integrated circuit advantages of close electrical and thermal matching.
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