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Description
TinyGTC ZC412 is a portable, high-precision and inexpensive frequency counter. Due to its compactness and advanced functions, the device is a universal tool, and the high time resolution of 40 ps (40 x 10⁻¹² s) provides extremely accurate measurement results. The device has a wide range of functions and allows you to measure frequency, time, phase and count events without loss at the junctions of intervals. Thanks to the continuous measurement mode, the TinyGTC provides reliable results for ADEV (Allan deviation) measurements, which is its unique feature. In addition, the frequency counter can be synchronized with GPS to link the internal reference frequency generator to precise GPS time signals. This guarantees high long-term measurement accuracy.
TinyGTC is equipped with a clear 4-inch touch display that displays all the information necessary for operation. There is also a USB interface that allows you to remotely control the device or read measurement results via a connected device. The frequency meter has a slot for microSD cards up to 32 GB to save measurement data. The developer has created a detailed wiki page with all the necessary information and technical specifications.
Due to its compact size and low cost, the TinyGTC has less effective overload protection than larger and more expensive frequency meters. It is recommended to read the instructions "How not to damage your TinyGTC" to learn how to prevent damage to the device.
Technical characteristics of the tinyGTC frequency meter
| Incoming communication type | Inputs A and B: DC REF input: AC |
| SMA connectors | |
| SMA A | 0-12 GHz (DC, 1 MΩ // 25 pF or 50 Ω) |
| SMA B | 0-350 MHz (DC, 1 MΩ // 2 pF or 50 Ω) |
| SMA OUT | 0,1 Hz – 100 MHz, 3 Vpp, AC-coupled, square wave or pulse, 50 Ohm |
| SMA REF | Optional external reference input (AC), 10 MHz, +5…+15 dBm or output 8 kHz – 250 MHz, 3 Vpp, AC-coupled, 50 Ohm |
| SMA GPS | Active GNSS antenna input, powered by +3 V DC |
| Input resistance | 1 MΩ / 2 pF 50 Ohm (optional) |
| Time resolution | 40 ps |
| Launch level | 0 – 3,5 V |
| Display | 4″ touch screen |
| Functions | Frequency, time, phase, pulse counting |
| Feeding | Built-in battery |
| Maximum input voltage | ±3,5 V DC; 3,5 Vpp or 16 dBm into 50 ohms |
| interface | USB; pulse or square wave output; EXT REF (input/output); active GPS antenna input; measurement inputs A and B |
Complete set
The delivery set of the tinyGTC frequency meter includes:
- 1 x 32GB MicroSD memory card
- 1 x USB cable
- 1 x SMA tee
- 2 short cables with SMA connectors
- 1 x active GPS antenna
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