The cam generator TBCG3-RN2 is primarily intended for testing radiated settings. It is a useful tool for validating correct operation of the antenna and preamplifier, as well as accurate tuning and configuration of the spectrum analyzer. It is well characterized in an anechoic chamber and the radiated emission plots can be used as a reference to compare an EUT in a non-ideal setup with the cam generator in the same location.
You can choose between five fixed cam frequencies and an external cam frequency input with a range of 5 kHz to 200 MHz using a rotary switch. A switchable RF amplifier can increase the output signal by 20 decibels (dB).
The comb generator comes with two monopole antennas, a 30 cm monopole for frequencies up to 300-500 MHz and a 10 cm monopole for frequencies above that.
The radiated comb spectrum is characterized from 5 MHz – 6 GHz.
The TBCG3-RN2 has a 50 Ohm output with an N female connector. It is powered by six AA NiMH batteries and comes with an external charger.
The housing is machined from solid aluminium. The bottom panel has a 1/4″ – 20 UNC thread that accepts standard tripod bolts.
- Characterized frequency range: 5 MHz – 3 GHz
- Comb spectral flatness up to 1.5 GHz, amplifier off: typically 8 dB at the RF connector
- Comb spectrum flatness up to 1.5 GHz, gain of: typically 12 dB at the RF connector
- Output impedance: 50 Ohm
- Output power: -5 dBm max. @ 100 MHz f comb; decreases 6 dB for each fcomb/2
- Amplitude stability: < 0.2 dB; <0.1 dB after 15 minutes
- Aging: < 0.5 dB over 12 months
- Output connector: N-female
- Selectable fixed cam frequencies: 100 MHz, 50 MHz, 25 MHz, 10 MHz, 5 MHz
- Frequency stability: 50 ppm
- External excitation input: 5 kHz – 200MHz @ square input signal; 3.3 Vpp max, 100 kHz – 200 MHz @ sine input; 3.3 Vpp max
- External input impedance: 50 Ohm
- Input connector: SMA female
- Indicators: Power On LED, Low Battery LED
- Power supply: 6 x AA NiMH (eg Varta Mignon 2700, not included)
- Charger: external; Ansmann ACS310
- Antennas: 30 cm monopole for f<300 … 500 MHz; 10 cm monopole for f>300...500 MHz
- Operating time: battery capacity / 96 mA (amp off) or 181 mA (amp on)
- Temperature range: -10°C to +45°C; lower operating temperature depending on batteries
- Housing diameter: 180 mm
- Housing height: 60 mm
- Weight: 1250 g
