TekBox TBCG Series Comb Generators
Benefits of the TekBox TBCG Comb Generators and Frequency Multipliers
- TBCG1 radiates a comb spectrum characterized up to 6 GHz; tolerance ±2.5 dB.
- TBCG2 optimized for moderate drive power and flatness of the spectrum in the frequency range 1 MHz to 2.5 GHz.
- TBCG3-CN comb generator to verify conducted emission test set ups.
TekBox TBCG1 Radiating Comb Generator
The TekBox TBCG1 is a radiating comb generator with an internal antenna. It radiates a comb spectrum characterized up to 6 GHz and can be used as a rough reference for testing radiated noise measurement set ups in anechoic chambers, TEM/GTEM cells, shielded chambers, etc.
TekBox TBCG2 Comb Generator and Frequency Multiplier
The TekBox TBCG2 is a comb generator and frequency mutiplier. It is optimized for moderate drive power and flatness of the spectrum in the frequency range from 1 MHz to 2.5 GHz. The recommended drive power is +10 dBm to +20 dBm. The frequency range for the control signal is 1 MHz to 350 MHz.
TekBox TBCG3-CN Comb Generator
The TekBox TBCG3-CN is a comb generator to verify conducted emission test set ups. It is a useful tool to validate correct operation of the LISN, correct set-up and correct configuration of the spectrum analyzer. A rotary switch allows you to choose between five fixed comb frequencies and an external excitation input with a frequency range of 5 kHz to 300 MHz. The TBCG3-CN produces a comb spectrum with approximately 8 dB flatness in the frequency range up to 1.5 GHz and has a 50 Ω output with a female N-connector.
Model Overview
| Model | TBCG1 | TBCG2 | ▸TBCG3-CN |
| Device type | Radiating comb generator with internal antenna1) | Passive, step recovery diode based comb generator/frequency multiplier | Comb generator |
| Characterized frequency range | 100 MHz...6 GHz | 2 MHz...6 GHz | 5 kHz...2 GHz |
| Comb frequencies | Internal, 100 MHz | External, 2...300 MHz | Switchable 0.1, 0.5, 1, 5, 10 MHz, external 5 kHz...300 MHz |
| External input | - | Only external | ✓ |
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| Power supply | 9-V battery | Passive | 4x NiMH, AA |
| Accessory | - | - | External universal charger |
| Application | Reference for radiated emissions; rough reference for testing radiated noise measurement set ups in anechoic chambers, TEM/GTEM cells, shielded chambers, etc. | General purpose, frequency multiplier | Reference for conducted emissions verify conducted emission test set ups. It is a useful tool to validate correct operation of the LISN, correct set-up and correct configuration of the spectrum analyzer. |
| Dimensions (mm) | 80 x 61 x 27; 76 g | 81 x 26 x 26; 96 g | Housing diameter 180/housing height 60; 1250 g |
1) Warning: the TBCG1 radiates across a wide spectrum, significantly exceeding radiating noise limits specified in any CISPR standard. Use it only in a shielded environment to avoid interference with other electronic products.
