The MAX038 evaluation kit (EV kit) is a high-frequency function generator capable of producing accurate triangle/sawtooth, sine, and square/pulse waveforms up to 10MHz, using the supplied components. Output frequency and duty cycle are easily adjusted with on-board potentiometers. Removable jumpers select sine, square, or triangle waveforms, or fix the duty cycle at 50%. The output is buffered with a MAX442 amplifier capable of driving a 50Ω coaxial cable. The MAX038 EV kit is fully assembled and tested.
The document describes the Maxim MAX038 Evaluation Kit (EV kit), a fully assembled board that functions as a high-frequency signal generator. It produces accurate triangle, sawtooth, sine, and square/pulse waveforms up to 10MHz using supplied components.
Key features include adjustable frequency and duty cycle via onboard potentiometers, selectable output waveforms using removable jumpers, and a buffered output capable of driving a 50Ω coaxial cable. The kit includes the MAX038 function generator chip and a MAX442 amplifier.
| Operating Frequency Range | 325kHz to 10MHz |
|---|---|
| Output Waveforms | Triangle, Sine, Square/Pulse |
| Reference Output Voltage | 2.5V |
| Output Amplitude | 2Vp-p |
Place shunts across jumpers JU1 and JU2 in specific combinations to select Sine, Triangle, or Square waveforms.
Frequency is controlled by adjusting potentiometer R3 (input current) or R2 (FADJ voltage), or by changing capacitor C1.
Place a shunt across pins 2 and 3 of jumper JU4 to ground the DADJ pin.