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Last modified 2025-02-17

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Ramsey AM-25

A picture of Ramsey AM-25

SPECIFICATIONS

GENERAL
Type:Mediumwave transmitter
Frequency range:0.54-1.71 MHz
Tuning steps:10 KHz (DIP switches)
Frequency stability:? ppm
Mode:AM
Channels / memory management:None
Power supply:9-15 VDC (Male barrel jack, center positive)
Current drain / power consumption: FCC Part 15:
~430 mA @ 13.8 VDC
Export mode:
~900 mA @ 13.8 VDC
Antenna impedance / connector:50 ohm / Phono (RCA)
Dimensions (W*H*D):126*38*133 mm (4.96*1.5*5.24")
Weight:240 g (8.47 oz), with case
Other features:




TRANSMITTER SECTION
RF output power
depending on voltage:
FCC Part 15:
10-150 mW
Export mode:
0.2-4 W
Modulation system:High level
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:-
Microphone input level:-
Line input impedance / connector:Mono: ? ohm / Phono (RCA)
Line input level:1 Vpp




MISCELLANEOUS
Manufactured:USA, 1996-2014 (Discontinued)
Additional info: Kit.
Related documents: User manual (1.3 MB), with schematic diagram
PLL: MC145106
RF final: P16NF06
Modifications and fixes:
Reviews:
Options / Accessories:
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