|Internal IQ bandwidth up to 6MHz||Output basic digital RF signals and narrow bandwidth communication signals.|
|External IQ bandwidth up to 200MHz||Super wide bandwidth for wireless/communication signals|
|Easily upgrade to internal vector modulation source with software||Accommodates both analog and vector signal generator applications at an extremely low cost|
|OCXO time-base provides <±0.002ppm temperature stability and <±0.05ppm aging stability||Superior aging and stability performance for R&D applications|
|Output frequency coverage starts from true DC||Eliminates the need to add other instruments for DC/low frequency applications|
The TSG4100A Series RF Vector Signal Generator offers mid-range performance and up to 200 MHz modulation bandwidth at an entry-level RF signal generator price. They use a new technique to provide spurious free outputs with low phase noise (-113 dBc/Hz at 20 kHz offset from 1 GHz carrier) and extraordinary frequency resolution (1 μHz at any frequency). The TSG4100A Series comes standard with analog modulation. Convenient, in-field software upgrades allow for easy transition from analog to more advanced vector and digital modulation capabilities, providing the most flexible configuration and best CAPEX protection. These instruments complement other leading mid-range RF test solutions from Tektronix, such as the USB-based RSA306 Spectrum Analyzer and MDO4000B and MDO3000 Mixed Domain Oscilloscopes.
The TSG4100A Series instruments use an ovenized SC-cut oscillator (TSG410xA-M00 or E1 models) time-base, providing a 100 X improvement in stability (and a 100 X reduction in the in-close phase noise) compared to instruments that use a TCXO time-base.
The Tektronix TSG4100A Series RF Vector Signal Generators offer a wide variety of modulation capabilities. Modes include amplitude modulation (AM), frequency modulation (FM), phase modulation (ΦM), and pulse modulation. There is an internal modulation source as well as an external modulation input. The internal modulation source produces sine, ramp, saw, square, and noise waveforms. An external modulation signal may be applied to the rear panel modulation input. The internal modulation generator is available as an output on the rear panel.
The TSG4100A Series builds on this performance by adding full support for vector signal modulation on RF carriers between 400 MHz and 6.0 GHz. It features a dual arbitrary waveform generator operating at 125 MHz for baseband signal generation. The generator has built-in support for the most common vector modulation schemes: ASK, QPSK, DQPSK, π/4 DQPSK, 8PSK, FSK, CPM, QAM (4 to 256), 8VSB, and 16VSB. It also includes built-in support for all the standard pulse shaping filters used in digital communications: raised cosine, root-raised cosine, Gaussian, rectangular, triangular, and more. Lastly, it provides direct support for the controlled injection of additive white Gaussian noise (AWGN) into the signal path.
Using a novel architecture for I/Q modulation, the TSG4100A Series provides quick, user-friendly waveform generation. The baseband generator supports the playback of pure digital data. It automatically maps digital symbols into a selected I/Q constellation at symbol rates of up to 6 MHz and passes the result through the selected pulse shaping filter to generate a final waveform updated in real time at 125 MHz. This baseband signal is then modulated onto an RF carrier using standard IQ modulation techniques.
Digital communications protocols (GSM, GSM EDGE, W-CDMA, APCO-25, DECT, NADC, PDC, and TETRA) quickly configure the signal generator to the correct modulation type, symbol data rates, TDMA duty cycles, and digital waveform filters. The preset protocols also configure the rear-panel TDMA, START of FRAME, and SYMBOL CLOCK digital outputs. The baseband generators can be configured for these protocols without the use of external computers or third party software.
The I/Q waveforms are computed in real time. Symbols are mapped to constellations, digitally filtered, and up-sampled to 125 Msps to drive the I/Q modulator via dual 14-bit DACs. The symbols can be a fixed pattern, PRBS data from an internal source, or come from a downloaded user list of up to 16 Mbits.
The constellation mapping can be modified by the user. Digital filters include raised cosine, root raised cosine, Gaussian, rectangular, linear, sinc, and user-defined FIR.
The rear-panel BNC I/Q modulation inputs and outputs enable arbitrary vector modulation via an external source. The external signal path supports maximally 400 MHz of RF bandwidth with a full scale range of ±0.5 V and a 50 Ω input impedance.
All TSG4100A Series models have cascaded stages of amplifiers and digital attenuators to drive the RF output. Five stages can provide up to +25 dB of gain to -130 dB of attenuation in 156 digitally controlled steps. During factory calibration, the output power is measured at 32 frequencies per octave for each of the 156 attenuator steps to populate a memory matrix with about 40,000 elements. When set to a particular frequency and power, the instrument interpolates between these matrix elements to determine the best attenuator setting. An analog attenuator is used to provide 0.01 dB resolution between matrix elements and to compensate for residual thermal effects.
These instruments offer an oven-controlled crystal oscillator (OCXO) time-base. The time-base uses a third-overtone stress-compensated 10 MHz resonator in a thermostatically controlled oven. The time-base provides very low phase noise and very low aging.
Remote operation is supported with RS-232, LAN, and GPIB interfaces. All instrument functions can be controlled and read over any of the interfaces. Up to nine instrument configurations can be saved in non-volatile memory.
All specifications are guaranteed unless noted otherwise. All specifications apply to all models unless noted otherwise.
|CW, 18 °C to 28 °C||>10 dBm||10 to -30 dBm||-30 to -60 dBm||-60 to -100 dBm||<-100 dBm|
|10 MHz to 0.1 GHz||±0.2||±0.25||±0.35||±0.45||±0.6|
|0.1 GHz to 2 GHz||±0.15||±0.15||±0.25||±0.35||±0.6|
|2 GHz to 4 GHz||±0.3||±0.2||±0.35||±0.6||±0.8|
|4 GHz to 6 GHz||NA||±0.3||±0.4||±0.75||±1.25|
|Level range:||+5 to -30 dBm (max)||+5 to -30 dBm (typical)|
|Temperature:||18 °C to 28 °C||5 °C to 40 °C||5 °C to 40 °C|
|10 MHz to 0.1 GHz||±0.6||±1.0||±0.7|
|0.1 GHz to 2 GHz||±0.6||±1.0||±0.6|
|2 GHz to 4 GHz||±0.6||±1.0||±0.7|
|4 GHz to 6 GHz||±1||±1.5||±0.9|
|Temperature:||18 °C to 28 °C||5 °C to 40 °C|
|Fc:||Typical (dB)||Max (dB)||Typical (dB)|
|2 GHz to 4 GHz||±0.2||±0.6||±0.4|
|4 GHz to 6 GHz||±0.4||±0.8||±0.7|
|Carrier||Offset from carrier, typical (dBc/Hz)|
|1 kHz||10 kHz||20 kHz||1 MHz|
1.0º (1 GHz to 6 GHz)
|Frequency range||Maximum deviation|
|62.5 MHz < fc ≤ 126.5625 MHz||1 MHz|
|126.5625 MHz < fc ≤253.1250 MHz||2 MHz|
|253.1250 MHz < fc ≤ 506.25 MHz||4 MHz|
|506.25 MHz < fc ≤ 1.0125 GHz||8 MHz|
|1.0125 GHz < fc ≤ 2.0 GHz||16 MHz|
|2.025 GHz < fc ≤ 4.0 GHz (TSG4104A)||32 MHz|
|Frequency range||Maximum deviation|
|93.75 MHz < fc ≤ 189.84375 MHz||1 MHz|
|189.84375 MHz < fc ≤ 379.6875 MHz||2 MHz|
|379.6875 MHz< fc ≤ 759.375 MHz||4 MHz|
|759.375 MHz < fc ≤ 1.51875 GHz||8 MHz|
|1.51875 GHz < fc ≤ 3.0375 GHz||16 MHz|
|3.0375 GHz < fc ≤ 6.0 GHz||32 MHz|
1º (1 GHz and above)
3% (fc > 62.5 MHz)
> 35 dB (4.0 GHz ≤ fc < 6.0 GHz)
400 MHz to 6.0 GHz (TSG4106A)
> -35 dBc for fc > 5 GHz
|VM04||APCO-25 Phase 1|
|VM10||Audio clip (analog AM and FM)|
Option VM01 GSM, (GMSK, 270.833 kS/s, 935 MHz, 0 dBm), RMS EVM: 0.6%
Option VM02 GSM-EDGE, (3π/8 8PSK, 270.833 kS/s, 935 MHz, 0 dBm), RMS EVM: 0.30%
Option VM03 W-CDMA, (QPSK,3.840Mcps, 2.1425GHz, 0dBm), RMS EVM: 1.7%
Option VM04 APCO-25, (4FSK-C4FM, 4.8 kS/s,850 MHz, 0 dBm), Freq Err: 0.5%
Option VM05 DECT, (2FSK 1.152 Mbps,1.925 GHz, 0 dBm), RMS FSK Err: 1.5%
Option VM06 NADC, (π/4 DQPSK, 24.3 kS/s, 875 MHz, 0 dBm), RMS EVM: 0.3%
Option VM07 PDC, (π/4 DQPSK, 21 kS/s, 800 MHz, 0 dBm), RMS EVM: 0.6%
Option VM08 TETRA, (π/4 DQPSK,18 kS/s, 420 MHz, 0 dBm), RMS EVM: 0.7%
32QAM, (6 MS/s, 5.8 GHz, Root raised cosine filter, 0 dBm), RMS EVM: 1.6%
256QAM, (6 MS/s, 2.45 GHz, Root raised cosine filter, 0 dBm), RMS EVM: 1.1%
|5% to 95% relative humidity (%RH) at up to +30 °C||5% to 95% RH (Relative Humidity) at up to +30 °C|
|5% to 45% RH above +30 °C up to +40 °C, non-condensing||5% to 45% RH above +30 °C up to +40 °C, non-condensing|
|0.27 GRMS, 5 500 Hz, 10 minutes per axis, 3 axes (30 minutes total for Option M01)||2.28 GRMS, 5 500 Hz, 10 minutes per axis, 3 axes (30 minutes total for Option M01)|
|0.22 GRMS, 5 500 Hz, 10 minutes per axis, 3 axes (30 minutes total for Options M00 or E1)||2.13 GRMS, 5 500 Hz, 10 minutes per axis, 3 axes (30 minutes total for Options M00 or E1)|
|Half-sine mechanical shocks, 50 g peak amplitude, 11 msec duration, 3 drops in each direction of each axis (18 total for Option M01)|
|Half-sine mechanical shocks, 30 g peak amplitude, 11 msec duration, 3 drops in each direction of each axis (18 total for Options M00 or E1)|
|Equipment type:||Test and measuring|
|Safety class:||Class 1 - grounded product|
|Pollution degree:||2 (as defined in IEC61010-1)|
|Rated for indoor use only.|
Ficha Técnica TSG4100