Lib - Proteus Mc1496
| Parameter | Simulated Value | Datasheet Typical | Error | |-----------|----------------|-------------------|-------| | Carrier Feedthrough (50mV input) | -35 dB | -40 dB | +5 dB | | Sideband Suppression (1 kHz mod) | -42 dB | -50 dB | +8 dB | | Gain @ 1 MHz | 0.85 | 1.0 | -15% | | Input Impedance (Mod port) | 28 kΩ || 25 kΩ | Acceptable |
If you cannot find a trustworthy Proteus MC1496 Lib, create your own using the built-in Proteus SPICE model editor.
This is tedious but guarantees the model matches the datasheet exactly.
Summary
Strengths
Limitations
Practical tips
When to use it
Verdict
The MC1496 is a legendary monolithic balanced modulator/demodulator used extensively in radio frequency (RF) and communication systems for tasks like amplitude modulation (AM), product detection, and frequency doubling. While Proteus provides a massive library of over 50,000 parts, the MC1496 is notably absent from the standard installation.
To use this chip in your simulations, you must integrate a custom Proteus MC1496 Lib containing the schematic symbol, PCB footprint, and the underlying SPICE model required for simulation. Core Capabilities of the MC1496
The MC1496 is designed around a Gilbert Cell structure, allowing it to act as a four-quadrant analog multiplier. This architecture enables several critical functions:
Amplitude Modulation (AM): Creating double-sideband (DSB) signals with or without the carrier. Proteus Mc1496 Lib
Synchronous Detection: Recovering the original message signal from a modulated carrier.
Carrier Suppression: Achieving up to -65 dB suppression at 0.5 MHz, making it ideal for suppressed-carrier applications.
Frequency Mixing: Shifting signal frequencies for transmitters and receivers.
| Pin | Name | Function | Typical Connection | |-----|------|----------|--------------------| | 1 | CAR+ | Carrier/LO Input (+)| AC couple via capacitor | | 2 | CAR- | Carrier/LO Input (-)| AC couple or ground via resistor | | 3 | GND | Ground | Connect to 0V | | 4 | V- | Negative Supply (-8V) | -8V DC | | 5 | MOD+ | Modulator Input (+)| Signal input | | 6 | MOD- | Modulator Input (-)| Signal input or bias | | 7 | OUT+ | Differential Output (+) | Load resistor to V+ | | 8 | OUT- | Differential Output (-) | Load resistor to V+ | | 9 | V+ | Positive Supply (+12V) | +12V DC | | 10 | BIAS | Gain adjust / Bias | Resistor to V- | | Parameter | Simulated Value | Datasheet Typical
In the Proteus symbol, pins are often numbered 1-10. Verify with the datasheet before simulation.
