Operating instructions

ACCEPTANCE TESTING
5-3
Test equipment
Description Minimum specification Example
Frequency counter 400 kHz to 1.05 GHz
1 Hz resolution, external standard In/Out
IFR* 2440 or
EIP 25B
RF power meter
± 0.1 dB from 10 MHz to 1 GHz
IFR* 6960/A/B +
6912 and 6920
sensor
Measuring receiver
−21 dBm to −127 dBm, 2.5 MHz to 1 GHz
HP 8902A +
11772A sensor
Spectrum analyzer
400 kHz to 3 GHz, noise floor < −127 dBm
IFR* 2383
Low-noise FM
demodulator
Residual FM to be less than 2 Hz up to 1 GHz IFR* 2305 +
IFR* 2041
Modulation meter RF I/P 500 kHz to 1.05 GHz AM. Measurement
accuracy up to 85% depth: ± 1% of reading at 1 kHz
mod rate, ± 2.5% of reading for mod rates from 30 Hz
to 50 kHz
RF I/P 500 kHz to 1.05 GHz FM. Measurement
accuracy ± 0.5% of reading ± 1 least significant
changing digit at 1 kHz mod rate for deviation > 5 kHz
IFR* 2305
DVM 1 % accuracy AC measurement, 20 Hz to 50 kHz
DC measurement to 1 mV
Solatron 7150+
Audio analyzer Capable of measuring distortion from 1 kHz to 15 kHz
down to 0.1% and AC measurement in a CCITT
bandwidth
IFR* 2965/ HP
8903B
LF generator 50 Hz to 50 kHz, external frequency standard In/Out,
30 mV to 5 V RMS
IFR* 2965/ HP
3325
RF signal generator
100 kHz to 1.05 GHz, RF level accuracy ± 1 dB
AM depth 0 to 95%, deviation 0 to 75 kHz
Modulation rate 10 Hz to 15 kHz
IFR* 2041
Power splitter
6 dB 50 Ω 500 kHz to 1 GHz
Weinschel
1870A
DC PSU 0 to 50 V
Calibrated power source Accuracy 3.5% up to 1 GHz See broadband
power test
*
IFR Ltd was previously known as Marconi Instruments Ltd
The minimum specifications for the test equipment listed above cover all requirements for these
tests. The minimum specifications for the test equipment listed at the start of each test description
apply to that test only.