- Product Highlights
- TestLine
Under the brand name “TestLine”, Telegärtner has developed an extensive portfolio for various test and measurement requirements. The TestLine components can be used in lab and field test and measurements as well as production line testing.
Telegärtner has now substantially expanded the range. With the new TestLine 4LL test cables, measurements up to 40 GHz are now possible. Just like the 5LL types, the 4LL test cables offer exceptional electrical properties and mechanical protection.
In the field of precision adaptors and connectors, Telegärtner offers components for measurements up to 40 GHz. These precision adaptors are types: 2.92 mm, 3.5 mm, SMA and N. For PCB solutions, 2.92 mm and SMA types are offered in End Launch and Edge Mount styles.
Termination loads have been expanded with the 4.3-10 series. Furthermore Telegärtner offers some particular highlights: A Port Saver to protect the sensitive jacks on the equipment and Quick/Push-on Adaptors for secure and quick measurements in short intervals.
TestLine fields of applications
The Quick/Push-On adaptors can be used wherever reliable measurements have to be carried out in short intervals. Tests can be carried out more effectively through quicker connecting and disconnecting of the test cable. Quick/Push-On adaptors are mostly used in test labs and also on production lines.
Port savers are used to protect the test ports of expensive test equipment. Swapping out jacks in expensive test equipment is cost-intensive and time-consuming. In order to avoid this, the Telegartner Port Saver is connected to the original port, so that it doesn’t get damaged even when used regularly. The port saver can be replaced quickly and economically when required.
Terminating resistors are connected as loads to an open signal output or to an RF line to avoid reflections. They are available with a characteristic impedance of 50 Ω. The power spectrum of the terminating resistors ranges from 1 W to 625 W, at maximum frequencies of up to 18 GHz. The terminators are used, for example, for open ports in transmitters and for calibrating RF measuring instruments.
In addition to standard terminating resistors, Telegärtner offers low-PIM terminating resistors for power ratings up to 200 W, especially for passive DAS applications.
Telegärtner attenuators are used to attenuate RF signals. Up to a frequency of 6 GHz, a precise signal attenuation of 3, 6, 10 or 20 dB is achieved, depending on the type. The attenuators are used in test and measurement applications as well as in antenna lines (e.g. mobile radio, W-LANs) where the radiated power is to be adjusted to specific values.
Testline - cables
The TestLine RF Test Cable assemblies have been designed with high specifications regarding attenuation, phase stability and life span for test and measurement purposes.
The connectors, which have been specifically designed for this purpose, have a special connection process for low, stable VSWR as well as a particularly effective cable protection against mechanical stress. In addition the connector bodies and nuts are made from stainless steel, which offers a very high number of mating cycles.
The TestLine cables are therefore perfect for use in lab or production areas, in which a high number of reliable signal tests need to be undertaken. Telegartner offers 2 types: 5LL for measurements up to 18 GHz (SMA, N and 7-16) and 4LL for measurements up to 40 GHz (2.92 mm). Each cable is tested separately and delivered with a test report.
TestLine connector design
TestLine cable construction
Features of TestLine cables
Excellent electrical parameters
for frequencies up to 18 GHz (SMA) or 11 GHz (N) at low return loss (-23 dB at 18 GHz). The maximum cable attenuation is only 1.0 dB/m at 18 GHz.
Precision connectors
The TestLine cables are assembled with plugs developed especially for test and inspection requirements.
Stability
The special structure of the RF cable with a foamed PTFE dielectric guarantees excellent phase stability and return loss stability when the cable is subjected to bending stress.
High number of mating cycles
while the transmission properties remain the same thanks to the gold plated centre conductor and a stainless steel body and nut.
Heat resistand and flame retardant
Temparature range -54 °C to +135 °C
100% tested
Every cable comes with a detailed test report.
Electrical characteristics
Connector types
SMA, N special design
Impedance
50 Ohm
Frequency range
SMA: < 18 GHz; N: Y 11 GHz
Return loss (typical)
up to 4GHz: -28 dB
up to 10 GHz: -24 dB
up to 18 GHz: -20 dB
Max. cable attenuation (@40 GHz)
1,0 dB/m
Screen effectiveness
-110 dB max. (@ 1GHz)
Phase stability (measured after 90° bend)
< 1,5° @4 GHz - 18 GHz
Insertion loss (dB/m)
0,22 @ 1 GHz
0,41 @ 4 GHz
0,68 @ 10 GHz
0,94 @ 18 GHz
Electrical charactersistics
Conncctor type
2,92 mm
Impedance
50 Ohm
Frequency range
< 40 GHz
Return loss (typical)
up to 4 GHz: - 33 dB
up to 10 GHz: -25 dB
up to18 GHz: -18 dB
up to 26 GHz: -18 dB
up to 40 GHz: -16 dB
Max. cable attenation (@400 GHz)
2,4 dB/m
Screen effectiveness
-110 dB max.
Phase stability (measured after 90°bend)
< 4° @ 40 GHz
Insertion loss (dB/m)
0,33 @ 1 GHz
0,99 @ 6 GHz
1,12 @ 10 GHz
1,58 @ 18 GHz
1,94 @ 26 GHz
2,48 @ 40 GHz
Mechanical characteristics
Cable bending radius
> 30 mm
Cable sheath
FEP, Ø 5,4 mm
Connector center contact
CuZn39Pb3, gold-plated
Connector outer contact
Stainless steal
Coupling nut
stainless steal
Plugging cycles
min. 1000
Operation temperature
-55 °C to -110 °C
Mechanical characteristics
Cable bending radius
> 190 mm
Cable steath
FEP, Ø 4,2 mm
Connector center contact
CuBe, gold-plated
Connector outer contact
Stainless steel
Coupling nut
Stainless steel
Plugging cycles
min. 500
Operation temperature
-55°C to -135°C