SPECIFICATIONS FOR @I MODEL 540A TRANSFER OSCILLATOR
GENERAL
FREQUENCY RANGE: 10 MC to 5,000 MC. (10 MC to 12,000 MC or high-
er with external detector. )
TYPE INPUT SIGNAL: CW, AM, FM, or pulse.
J
INPUT SIGNAL LEVEL: 50 mv to 5 v peak cw. 50v peak pulse, max. eq.
CW power 1/2 w at 50 ohms.
ACCURACY: Depends on stability of unknown signal and pulse
length - see text.
AUXILIARY EQUIPMENT: Model 524B Electronic Counter. ' ..
Model 525B Frequency Converter Unit.
Model 150A Oscilloscope (for pulse measure-
ments).
OSCILLATOR
FUNDAMENTAL FREQ. RANGE: 100 MC to 220 MC.
HARMONIC FREQ. RANGE: Above 12,000 MC.
STABILITY: Less tkan 0.002??0 change per minute after 30
minute warmup.
DIAL: Six inch diameter, calibrated in 1 MC increments.
Accuracy: fl/27?0.
VERNIER DIAL: Mechanical: Approx. 9:l
Electrical: Approx. +125 parts per million
OUTPUT: Approx 2 v into 50 - Adjusted for optimum
crystal harmonic generation.
ATTENUATOR
RANGE: Minimum attenuation is not more than 20 db and
maximum attenuation is not less than 80 db at
frequencies from 1 kmc to 5 kmc, below 1 kmc
minimum attenuation and attenuation range in-
crease. At 100 rnc minimum attenuation is at
least 35 db.
INPUT IMPEDANCE: 50 ohms, SWR: 1.5 max. at 1 KMC;
3 max. at 5 KMC.
AMPLIFIER
GAIN: Adjustable, 40 db max
BANDWIDTH: 100 cycles to 2 megacycles.
HIGH FREQUENCY CONTROL: 3 db point adjustable from below 1 KC to above
2 MC.
LOW FREQUENCY CONTROL: 3 db point switched from 100 cycles to below 10 KC
then continuously adjustable to above 400 KC.
MAX. UNDJSTORTED OUTPUT: 1 volt rms useable signal across 1,000 a
load. |
ACEC
HEWLETT-PACKARD
