|
Component |
Frequency
of operation and relevant parameters |
Domain |
| RF system design |
System in the frequency ranges of
1.7 to 2.0 GHz, 2.0 to 2.3 GHz and 2.3
to 2.5 GHz |
For point to point Digital Microwave
Radio (for Telecom) and for point to
multi point microwave radio based on
TDMA technology with frequency hopping
techniques. |
| Transceivers |
For the frequency range of 1.88 to
1.9 GHz. |
For DECT applications |
| Low Noise Amplifiers |
For different frequency ranges in
the band of 1.565 GHz to 3.6 GHz with
noise figure of <2dB |
For TDMA technology based radio (for
FF & FH), and digital microwave
radios (for telecom). |
| Down converters |
For different frequency ranges in
the band of 1.7 GHz to 2.5 GHz as input
frequency and 70 MHz to 520 MHz as the
output frequency. |
For TDMA technology based radio (for
FF & FH), and digital microwave
radios (for telecom). |
| AGC with RSSI |
For 70MHz frequency with a dynamic
range of 60 dB |
For WCDMA BTS, TDMA technology based
radio (for FF & FH) and digital
microwave radios (for telecom). |
| Demodulators |
Coherent and non-coherent type
of demodulators for recovery of 2MB
clock and data.
DQPSK Demodulators with 70 MHz IF.
QPSK and OQPSK Demodulators of direct
conversion type to recover data and
clock. |
For WCDMA BTS, TDMA technology based
radio (for FF & FH) and digital
microwave radios (for telecom). |
| Modulators |
Coherent and non-coherent type
of demodulators for recovery of 2MB
clock and data.
DQPSK Demodulators with 70 MHz IF.
QPSK and OQPSK Demodulators of direct
conversion type to recover data and
clock. |
For WCDMA BTS, TDMA technology based
radio (for FF & FH), and digital
microwave radios (for telecom). |
| Up-converters |
For different frequency ranges in
the band of 1.7 GHz to 2.0 GHz as the
output frequency and with LO frequency
ranges in the band of 2.22 GHz to 2.52
GHz
With a 1dB gain flatness over the
300 MHz band and output power control
circuit. |
For TDMA technology based radio (for
FF & FH) |
| Pre-amplifiers |
In the frequency range of 1.7 to 6.5
GHz with P1dB of +25 dBm. |
For WCDMA BTS, TDMA technology based
radio (for FF & FH and for SATCOM
applications |
| Power Amplifiers |
For different frequency ranges in
the band of 1.7 to 2.5 GHz with output
power of +36 dBm.
In the frequency band from 30 to
90 MHz and with a power of 25 Watts
|
For TDMA technology based radio (for
FF & FH), and digital microwave
radios (for telecom). |
| Pin diode switch (SP6T & SP2T) |
In the frequency range of 1.7 to 2.0
GHz |
For TDMA technology based radio. |
| Signal Source |
For the frequency of 2856 MHz with
6 MW power |
For accelerating the electron beam
in a Linear Accelerator |
| RF detectors |
In the frequency ranges of 1.7 to
2.5 GHz with an input power of 16 dBm |
For TDMA technology based radio (for
FF & FH), and digital microwave
radios (for telecom). |
| RF couplers |
20 dB couplers in the frequency ranges
of 1.7 to 2.5 GHz |
For TDMA technology based radio (for
FF & FH), and digital microwave
radios (for telecom). |
| Harmonic and hopping filters |
In the frequency band of 30 to 90
MHz |
For military applications based on
TDMA with Frequency hopping |
| Fast settling Synthesizers |
In the frequency range of 2.0 to 2.6
GHz with a fast settling time of less
than 80 usec, for frequency hopping
radio |
For microwave radios of TDMA technology
with FF & FH |
| Synthesizers |
For different frequency ranges in
the band of 1.7 to 2.5 GHz and 300 to
400 MHz range. |
For Digital Microwave Radios (for
Telecom applications) |
| Filters |
For different frequency ranges in
the band of 1.88 to 1.9 GHz, 2.11 to
2.17 GHz and in the lower frequency
ranges of 3MHz |
For WCDMA and TDMA applications |
| Passive Equalizers |
In the frequency range 3 to 70 MHz. |
For WCDMA and SATCOM applications |
| Power supplies |
15 kV DC source |
For supply voltage in high power RF
source |
| |
1kV-5 kV, floating power supplies |
For power supplies floating at HV
eg. Grid of tetrode |
| |
SMPS, Universal input, multiple
output
eg. 12V/2A, 5V/1A, -12V/0.1A etc |
Various sub-system power requirements |
| |
Series Regulator based multiple outputs
with self-sequencing capability. |
For RF power Amplifiers using bi-polar
power supplies for some specific devices. |
