Technology Labs
RFL-RFT: RF Circuit Training System
About Product
The RFL-RFT is a complete RF and microwave learning platform supporting up to 2 GHz, designed for practical experimentation with microstrip transmission lines, impedance matching networks, and active RF components. It enables performance characterization of amplifiers, filters, and oscillators, helping students master real-world RF circuit behavior
1) RF Circuit Training System consist of 3 individual board to introduce the concept of Transmission Line Circuits, RF Microwave Network Analysis, Impedance Transformation, Impedance Matching along with Active RF devices like LNA, RF Amplifier, Oscillators etc.
BOARD 1 : TRANSMISSION CHANNEL & MICROSTRIP DISCONTINUITIES
1) Open air transmission
i) Frequency - 0.1 GHz to 3 GHz
ii)Power - 0 dBm to -20 dBm
iii) Load - Matched Antenna
2) Co-axial cable transmission
i) Frequency - 0.1 GHz to 3 GHz
ii) Power - 0 dBm to -20 dBm
iii) Load - Open short, Resistive load, Complex load
3) Microstrip transmission line
i) Frequency - 0.1 GHz to 3 GHz
ii) Power - 0 dBm to 20 dBm
iii) Load condition- Open short, Resistive load, Complex load
4) CPW transmission line
i) Frequency - 0.1 GHz to 3 GHz
ii) Power - 0 dBm to -20 dBm
iii) Load condition- Open short, Resistive load, Complex load
5) Slot line
i) Frequency - 0.9 GHz to 3 GHz
ii) Power - 0 dBm to -20 dBm
iii) Load condition- Open short, Resistive load, Complex load
6) CPW transmission line with ground
i) Frequency - 0.1 GHz to 3 GHz
ii) Power - 0 dBm to -20 dBm
iii) Load condition- Open short, Resistive load, Complex load
7) Coupled line microstrip transmission line
i) Frequency - 0.1 GHz to 3 GHz
ii) Power - 0 dBm to -20 dBm
iii) Load condition- Balanced resistive load, Unbalance load
8) Open discontinuity
i) Frequency - 0.3 GHz to 3 GHz
ii) Power - 0 dBm to -20 dB
9) Via discontinuity
i) Frequency - 0.1 GHz to 1.3 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Resistive Load
10) GAP discontinuity
i) Frequency - 0.1 GHz to 1.3 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Series & shunt inductive load
11) Bend discontinuity
i) Frequency - 0.1 GHz to 1.3 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Complex load
12) Step discontinuity
i) Frequency - 0.1 GHz to 1.3 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Series & shunt Resistive load
13) Tee discontinuity
i) Frequency - 0.1 GHz to 1.3 GHz
ii) Load condition - Matched, Restive load
BOARD 2 : RF CIRCUITS & MATCHING ARCHITECTURERF
1) Lump Element
i) Frequency 0.1 GHz to 3 GHz
ii) Type Capacitive, Inductive
iii) Load condition Matched
2) High frequency effect on Lump Element
i) Frequency - 0.001 GHz to 3 GHz
ii) Power - 0 dBm to -20 dB
3) Inductive Resonance Circuit
i) Frequency - 0.5 GHz to 1 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Matched, Resistive
4) Capacitive Resonance Circuit
i) Frequency - 0.3 GHz to 1 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Matched, Resistive
5) RLC Resonance Circuit
i) Frequency - 0.3 GHz to 1 GHz
ii) Power - 0 dBm to -20 dBL
iii) Load condition - Matched, Resistive
6) Tunable Resonance Circuit
i) Frequency - 0.3 GHz to 1 GHz
ii) Lower - 0 dBm to -20 dB
iii) Load condition- Variable load
7) BALUN
i) Frequency - 0.3 GHz to 1.3 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Variable load
8) DC Bias TEE
i) Frequency - 0.3 GHz to 1.3 GHz
ii) Power - 0 dBm
iii) Isolation - 25 dB
9) Microstrip Bias TEE
i) Frequency - 0.5 GHz to 1.2 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Matched load
10) Single stub matching
i) Frequency - 0.8 GHz to 2 GHz
ii) Load condition - Variable load
11) Quarter wave transformer
i) Frequency - 0.5 GHz to 1.5 GHz
ii) Load condition - Variable load
12) Binomial Quarter transformer
i) Frequency - 0.4 GHz to 2 GHz
iii) Load condition - Variable load
13) L Matching for resistive load
i) Frequency - 0.3 GHz to 1 GHz
ii) Load condition - Resistive load
14) L Matching for complex load
i) Frequency - 0.4 GHz to 1 GHz
ii) Load condition- Complex load
15) T Matching
i) Frequency - 0.3 GHz to 1 GHz
ii) Load condition High load impedance (fixed)
16) PI Matching
i) Frequency - 0.4 GHz to 0.7 GHz
ii) Load condition - Low load impedance (fixed)
17) Loop Inductor
i) Frequency - 0.3 GHz to 1.3 GHz
ii) Power - 0 dBm to -20 dB
BOARD 3 : RF ACTIVE COMPONENT & ITS APPLICATION CIRCUITS
1) RF BJT Amplifier
i) Frequency Range - 0.3 GHz to 0.8 GHz
ii) Gain S21 - > 10 dB
iii) Reverse Isolation - <-15 dB
2) Low Noise Amplifier
i) Frequency Range - 0.3 GHz to 0.8 GHz
ii) Gain S21 - > 10 dB
iii) Noise Figure (NF) - < 1.5 dB
3) RF LC Oscillator
i) Frequency - 30 MHz (±25 MHz)Power Level - > -30 dB
4) Phase-locked loop
i) Input Frequency - 500 KHz – 5 MHz
ii) VCO Locked Freq - 1.3 MHz (± 500 KHz)
5) RF Power Amplifier
i) Frequency Range - 0.3 GHz to 1 GHz
ii) Gain S21 - > 12 dB
iii) Max Output Power - 30 dBm
6) RF MOSFET Amplifier
i) Frequency Range - 0.1 GHz to 0.5 GHz
ii) Gain - > 10 dB
iii) Reverse Isolation - < -15 dB
7) RF Gain Equalizer
i) Frequency - 0.4 GHz to 0.8 GHz
ii) Insertion Loss - < -3 dB
iii) Load condition - Matched
8) Lumped LPF Filter
i) Cut Frequency - 450 MHz Filter order - 7
ii) Insertion Loss - > -2 dB
iii) Return Loss - > -10 d
9) RF Frequency Multiplier
i) Input Freq Range - 10 - 500 MHz
ii) Output Freq Range - 20 - 1000 MHz
iii) Impedance - 50 ohm
10) Lumped BPF Filter
i) Center Frequency - 350 MHz ± 70 MHz
ii) Filter order - 5
iii) Bandwidth - ~ 150 MHz @ 3 dB
11) Lumped HPF Filter
i) Cut Frequency - 450 MHz (3 dB cut off ±50 MHz)
ii) Filter order - 7
iii) Insertion Loss - < -2 dB
iv) Return Loss - < -10 dB
DELIVERABLES
1) Transmission Channel & Microstrip Discontinuities Module: 01 nos
2) RF Circuits & Matching Architecture Module: 01 nos
3) RF Active Component and Its Application Circuits Module: 01 nos
4) SMA (M) to SMA (M) 50 Ω RG316 cable 50 cm: 02 nos
5) SMB (Plug) to Crocodile clips DC supply cable: 02 nos
6) 50-ohm Terminations: 02 nos
7) Manual: 01 nos
1) Open air transmission
i) Frequency - 0.1 GHz to 3 GHz
ii)Power - 0 dBm to -20 dBm
iii) Load - Matched Antenna
2) Co-axial cable transmission
i) Frequency - 0.1 GHz to 3 GHz
ii) Power - 0 dBm to -20 dBm
iii) Load - Open short, Resistive load, Complex load
3) Microstrip transmission line
i) Frequency - 0.1 GHz to 3 GHz
ii) Power - 0 dBm to 20 dBm
iii) Load condition- Open short, Resistive load, Complex load
4) CPW transmission line
i) Frequency - 0.1 GHz to 3 GHz
ii) Power - 0 dBm to -20 dBm
iii) Load condition- Open short, Resistive load, Complex load
5) Slot line
i) Frequency - 0.9 GHz to 3 GHz
ii) Power - 0 dBm to -20 dBm
iii) Load condition- Open short, Resistive load, Complex load
6) CPW transmission line with ground
i) Frequency - 0.1 GHz to 3 GHz
ii) Power - 0 dBm to -20 dBm
iii) Load condition- Open short, Resistive load, Complex load
7) Coupled line microstrip transmission line
i) Frequency - 0.1 GHz to 3 GHz
ii) Power - 0 dBm to -20 dBm
iii) Load condition- Balanced resistive load, Unbalance load
8) Open discontinuity
i) Frequency - 0.3 GHz to 3 GHz
ii) Power - 0 dBm to -20 dB
9) Via discontinuity
i) Frequency - 0.1 GHz to 1.3 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Resistive Load
10) GAP discontinuity
i) Frequency - 0.1 GHz to 1.3 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Series & shunt inductive load
11) Bend discontinuity
i) Frequency - 0.1 GHz to 1.3 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Complex load
12) Step discontinuity
i) Frequency - 0.1 GHz to 1.3 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Series & shunt Resistive load
13) Tee discontinuity
i) Frequency - 0.1 GHz to 1.3 GHz
ii) Load condition - Matched, Restive load
BOARD 2 : RF CIRCUITS & MATCHING ARCHITECTURERF
1) Lump Element
i) Frequency 0.1 GHz to 3 GHz
ii) Type Capacitive, Inductive
iii) Load condition Matched
2) High frequency effect on Lump Element
i) Frequency - 0.001 GHz to 3 GHz
ii) Power - 0 dBm to -20 dB
3) Inductive Resonance Circuit
i) Frequency - 0.5 GHz to 1 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Matched, Resistive
4) Capacitive Resonance Circuit
i) Frequency - 0.3 GHz to 1 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Matched, Resistive
5) RLC Resonance Circuit
i) Frequency - 0.3 GHz to 1 GHz
ii) Power - 0 dBm to -20 dBL
iii) Load condition - Matched, Resistive
6) Tunable Resonance Circuit
i) Frequency - 0.3 GHz to 1 GHz
ii) Lower - 0 dBm to -20 dB
iii) Load condition- Variable load
7) BALUN
i) Frequency - 0.3 GHz to 1.3 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Variable load
8) DC Bias TEE
i) Frequency - 0.3 GHz to 1.3 GHz
ii) Power - 0 dBm
iii) Isolation - 25 dB
9) Microstrip Bias TEE
i) Frequency - 0.5 GHz to 1.2 GHz
ii) Power - 0 dBm to -20 dB
iii) Load condition - Matched load
10) Single stub matching
i) Frequency - 0.8 GHz to 2 GHz
ii) Load condition - Variable load
11) Quarter wave transformer
i) Frequency - 0.5 GHz to 1.5 GHz
ii) Load condition - Variable load
12) Binomial Quarter transformer
i) Frequency - 0.4 GHz to 2 GHz
iii) Load condition - Variable load
13) L Matching for resistive load
i) Frequency - 0.3 GHz to 1 GHz
ii) Load condition - Resistive load
14) L Matching for complex load
i) Frequency - 0.4 GHz to 1 GHz
ii) Load condition- Complex load
15) T Matching
i) Frequency - 0.3 GHz to 1 GHz
ii) Load condition High load impedance (fixed)
16) PI Matching
i) Frequency - 0.4 GHz to 0.7 GHz
ii) Load condition - Low load impedance (fixed)
17) Loop Inductor
i) Frequency - 0.3 GHz to 1.3 GHz
ii) Power - 0 dBm to -20 dB
BOARD 3 : RF ACTIVE COMPONENT & ITS APPLICATION CIRCUITS
1) RF BJT Amplifier
i) Frequency Range - 0.3 GHz to 0.8 GHz
ii) Gain S21 - > 10 dB
iii) Reverse Isolation - <-15 dB
2) Low Noise Amplifier
i) Frequency Range - 0.3 GHz to 0.8 GHz
ii) Gain S21 - > 10 dB
iii) Noise Figure (NF) - < 1.5 dB
3) RF LC Oscillator
i) Frequency - 30 MHz (±25 MHz)Power Level - > -30 dB
4) Phase-locked loop
i) Input Frequency - 500 KHz – 5 MHz
ii) VCO Locked Freq - 1.3 MHz (± 500 KHz)
5) RF Power Amplifier
i) Frequency Range - 0.3 GHz to 1 GHz
ii) Gain S21 - > 12 dB
iii) Max Output Power - 30 dBm
6) RF MOSFET Amplifier
i) Frequency Range - 0.1 GHz to 0.5 GHz
ii) Gain - > 10 dB
iii) Reverse Isolation - < -15 dB
7) RF Gain Equalizer
i) Frequency - 0.4 GHz to 0.8 GHz
ii) Insertion Loss - < -3 dB
iii) Load condition - Matched
8) Lumped LPF Filter
i) Cut Frequency - 450 MHz Filter order - 7
ii) Insertion Loss - > -2 dB
iii) Return Loss - > -10 d
9) RF Frequency Multiplier
i) Input Freq Range - 10 - 500 MHz
ii) Output Freq Range - 20 - 1000 MHz
iii) Impedance - 50 ohm
10) Lumped BPF Filter
i) Center Frequency - 350 MHz ± 70 MHz
ii) Filter order - 5
iii) Bandwidth - ~ 150 MHz @ 3 dB
11) Lumped HPF Filter
i) Cut Frequency - 450 MHz (3 dB cut off ±50 MHz)
ii) Filter order - 7
iii) Insertion Loss - < -2 dB
iv) Return Loss - < -10 dB
DELIVERABLES
1) Transmission Channel & Microstrip Discontinuities Module: 01 nos
2) RF Circuits & Matching Architecture Module: 01 nos
3) RF Active Component and Its Application Circuits Module: 01 nos
4) SMA (M) to SMA (M) 50 Ω RG316 cable 50 cm: 02 nos
5) SMB (Plug) to Crocodile clips DC supply cable: 02 nos
6) 50-ohm Terminations: 02 nos
7) Manual: 01 nos
1) Measurement of Insertion loss (S21) for different devices.
2) Study of Load condition over transmission line channel.
3) Study of Phase characterization of channel.
4) Measurement of frequency BW response.
5) Study Z parameter of stub matching circuits.
6) Study and calculation of Smith chart over a wide band.
7) Measurement of S11 / VSWR for different devices.
8) Measurement of Q Factor for different devices.
9) Measurement of Resonance over BW.
10) Study of Match & Unmatched circuits.
11) Measurement of transmission & reflection Characteristic of lumped LPF, HPF, BPF filters.
12) Study network analysis of different RF Active circuits like BJT, MOSFET and LNA Amplifiers.
13) Measurement of Gain Flatness.
14) Study of RF Gain equalizer circuit and its measurement.
15) Study of RF LC Oscillator.
16) Study RF Frequency Multiplier Circuits.
17) Study of Phase-Locked Loop (PLL) Circuits.
2) Study of Load condition over transmission line channel.
3) Study of Phase characterization of channel.
4) Measurement of frequency BW response.
5) Study Z parameter of stub matching circuits.
6) Study and calculation of Smith chart over a wide band.
7) Measurement of S11 / VSWR for different devices.
8) Measurement of Q Factor for different devices.
9) Measurement of Resonance over BW.
10) Study of Match & Unmatched circuits.
11) Measurement of transmission & reflection Characteristic of lumped LPF, HPF, BPF filters.
12) Study network analysis of different RF Active circuits like BJT, MOSFET and LNA Amplifiers.
13) Measurement of Gain Flatness.
14) Study of RF Gain equalizer circuit and its measurement.
15) Study of RF LC Oscillator.
16) Study RF Frequency Multiplier Circuits.
17) Study of Phase-Locked Loop (PLL) Circuits.
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